Keystone Electronics

<p>The Keystone Electronics 1067 is a through-hole PCB mount coin cell battery holder designed for single 20mm coin cells. It features a PC pin termination style for secure soldering to the PCB. The holder accepts battery series 2012, 2016, 2020, 2025, and 2032.</p><p>&nbsp;</p><p>The holder is constructed with a PBT base rated UL 94V-0 and spring steel contacts with a tin-nickel plate. The contact thickness is 0.30mm. The height above board is 19.94mm (0.785 inches).</p><p>&nbsp;</p><p>This open-style holder is suitable for applications requiring a reliable and replaceable coin cell power source. The operating temperature range is -50°C to 145°C.</p>

<p>The 1514-2 is a turret terminal from Keystone Electronics designed for through hole mounting. It features a single end with double turrets, a length of 7.14mm, and a diameter of 2.77mm. The flange diameter is 3.96mm and the mounting hole diameter is 0.094 in. Termination is by staking flare, suitable for board thickness of 0.062 in. The contact material is brass with a bright tin finish, providing excellent solderability and extended shelf life. This non-insulated terminal is RoHS compliant. It is commonly used in terminal boards, custom assemblies, and applications requiring secure wire connections.</p>

<p>The Keystone Electronics 4902 is a non-insulated male quick connect tab terminal designed for through hole solder mounting. It features a 0.250" (6.35mm) tab width, 0.032" (0.81mm) tab thickness, and 0.273" (6.93mm) tab length. The overall length is 0.710" (18.1mm) per the datasheet drawing, with a mounting hole diameter of 0.067" (1.7mm).</p><p>&nbsp;</p><p>The terminal is constructed from brass with a tin plate finish, ensuring good conductivity and corrosion resistance. It is RoHS compliant and REACH unaffected. This part is suitable for applications requiring a reliable solder connection in a compact footprint.</p><p>&nbsp;</p><p>As a non-insulated terminal, it is intended for use where insulation is not required or where additional insulation can be applied separately. The through hole mounting type allows for secure attachment to printed circuit boards.</p>

<p>The Keystone Electronics 637 is a solid positive battery contact designed for PCB through hole mounting. It uses a PC pin termination style and has a height above board of 0.380" (9.64mm). The contact is constructed from steel with a tin-nickel plate finish, providing reliable spring tension for low contact resistance.</p><p>&nbsp;</p><p>This contact is suitable for cylindrical battery cells with diameters ranging from 0.531 to 0.665 inches (13.5 to 16.9mm), which includes common cell sizes such as AA, CR2, and A cells. The through hole mounting design ensures secure attachment to the PCB.</p><p>&nbsp;</p><p>The part is RoHS3 compliant and has an MSL rating of 1 (unlimited). It is designed for applications requiring a reliable positive battery contact in a compact, low-profile form factor.</p>

<p>The Keystone Electronics 112TR is a surface mount (SMT) coin cell contact spring designed for single-cell battery applications. It features a contact spring (leaf) style termination with SMD (SMT) tab mounting, making it suitable for automated PCB assembly.</p><p>&nbsp;</p><p>The contact is made of phosphor bronze with a tin-nickel plating, ensuring reliable electrical performance and corrosion resistance. The insulator is constructed from high-temperature nylon 46, rated UL 94V-0 for flammability. The component has a low profile with a height above board of 0.041" (1.05mm).</p><p>&nbsp;</p><p>This part is supplied in tape and reel packaging with a standard quantity of 400 pieces per reel, compatible with pick-and-place manufacturing. It is designed for use with multiple coin cell sizes and supports easy battery replacement through battery release ports.</p>

<p>The Keystone Electronics 1029 is an open-style battery holder designed for a single 2/3A cell. It features PC Pin termination and through-hole mounting, making it suitable for PCB integration. The holder is constructed with a PBT base rated UL 94V-0 for flammability, and stainless steel contacts with tin-nickel plating for durability and solderability.</p><p>&nbsp;</p><p>Key specifications include an overall length of 1.500 inches (38.1mm) and width of 0.720 inches (18.3mm), with a height above board of 0.600 inches (15.24mm). The operating temperature range is -50°C to 145°C, accommodating a wide variety of environments.</p><p>&nbsp;</p><p>The holder is RoHS compliant and comes in a tray packaging of 50 pieces. It is commonly used in battery-powered applications such as computer memory backup, telecommunications, security systems, and industrial controls. The optional snap-on retainer cover (not included) can be used to secure the battery against shock and vibration.</p>

<p>The Keystone Electronics 1266 is a non-insulated quick connect male tab designed for reliable solder termination in through hole right angle applications. The tab features a width of 0.250" (6.35mm) and a thickness of 0.032" (0.81mm), with a tab length of 0.312" (7.92mm) and an overall length of 0.790" (20.06mm).</p><p>&nbsp;</p><p>Constructed from brass with a matte tin plate finish, the 1266 offers good conductivity and corrosion resistance. The mounting hole diameter is 0.052" (1.32mm), and the material thickness is 0.032" (0.80mm). This component is RoHS compliant.</p><p>&nbsp;</p><p>Typical applications include power supply connections, automotive wiring, and industrial control panels where a secure, solderable quick connect interface is required. The right angle orientation facilitates compact PCB layouts.</p>

<p>This is an oval instrumentation handle from Keystone Electronics, part number 548. It is made of aluminum alloy 6061-T6 with a black anodized finish per MIL-A-8625.</p><p>&nbsp;</p><p>The handle has a mounting center distance of 6.000 inches (152.4 mm), a height of 2.000 inches (50.8 mm), and a depth of 0.500 inches (12.7 mm). It features #10-32 threaded screw holes on the back for mounting.</p><p>&nbsp;</p><p>Designed for use in enclosures, racks, and panel applications, this handle provides a sturdy grip for carrying or pulling equipment. The black anodized finish offers corrosion resistance and a professional appearance.</p>

<p>The Keystone Electronics 7770 is a Sturdi-Mount metric PCB screw terminal with M3 threads. It features a vertical mount press-in PCB mounting style with 4 pins and through hole solder termination. The terminal is made of 0.032 inch thick brass with tin plate, and the screw is a combination binding head brass with nickel plate. This part is supplied without a screw (Cat. No. 7770 Less Screw). Rated at 15 amps, it is suitable for power tap applications requiring a reliable screw connection on a printed circuit board.</p>

<p>The Keystone Electronics 171 is an open-style battery holder designed to accommodate three AA size cylindrical batteries. It features solder lug terminals for secure connections and is designed for chassis mounting, ensuring stability in fixed installations.</p><p>&nbsp;</p><p>The holder is constructed with an aluminum frame and clips, with brass, nickel-plated contacts and brass, tin-plated lugs. This construction provides a lightweight yet durable solution suitable for various applications requiring a reliable battery power source.</p><p>&nbsp;</p><p>Ideal for use in portable electronic devices, instruments, and backup power systems, this holder allows for easy battery installation and replacement. The open design facilitates battery ventilation and inspection.</p><p>&nbsp;</p><p>Compliance with RoHS and REACH standards supports environmental and safety requirements. The part is also rated with MSL Level 1, indicating unlimited floor life.</p>

<p>The Keystone Electronics 2103 is a battery holder designed for a single 1/2AA cylindrical cell. It features an open style holder that allows easy insertion and removal of the battery. The holder uses PC pin termination for secure through-hole mounting on a printed circuit board.</p><p>&nbsp;</p><p>This holder is suitable for applications requiring a compact and reliable power source. The open design provides good ventilation and access to the battery. The PC pins ensure a stable electrical connection when soldered to the PCB.</p><p>&nbsp;</p><p>Compliance data includes RoHS3 compliance, REACH unaffected, and MSL 1 (unlimited) as per the manufacturer's specifications. Note that these compliance claims are unverified. The part is cross-referenced as DigiKey part number 36-2103-ND.</p><p>&nbsp;</p><p>For detailed specifications, refer to the manufacturer's documentation. This product is categorized under Battery Holders, Clips, Contacts in the Battery Products category.</p>

<p>The Keystone Electronics 3008 is a surface mount coin cell retainer designed for use with a single 24.5mm diameter battery, specifically the 2450 series. This retainer provides a secure and reliable connection for coin cell batteries in compact electronic assemblies.</p><p>&nbsp;</p><p>The retainer features SMD (SMT) tab termination style, making it compatible with standard surface mount assembly processes. Its mounting type is PCB surface mount with a height above board of 0.230" (5.85mm). The part is RoHS3 compliant, ensuring adherence to environmental standards.</p>

<p>The Keystone Electronics 2039 is a phenolic cover panel designed for use with the 702 instrument case. It is made from glossy black phenolic material meeting MIL-M-14 CFG specifications. The panel measures 212.73mm x 187.33mm x 2.36mm (8.375" x 7.375" x 0.093") and is sold separately from the case.</p><p>&nbsp;</p><p>This cover can be machined to accommodate dials, switches, displays, or other components, making it suitable for prototype and laboratory instrumentation applications. The panel is RoHS3 compliant, though this compliance data is unverified and may conflict with distributor records.</p><p>&nbsp;</p><p>Mounting screws are available separately. The panel is intended for use with the Keystone 702 phenolic case, which has a 6-32 brass insert for secure attachment.</p>

<p>The Keystone Electronics 3010TR is a surface mount coin cell battery retainer designed for 23mm diameter coin cells. It accommodates a single cell from the 2354 series, making it suitable for a variety of portable and backup power applications.</p><p>&nbsp;</p><p>This retainer features a phosphor bronze contact material with tin-nickel plating, which is ideal for lead-free, high-temperature soldering processes. The SMD (SMT) tab termination style facilitates easy surface mounting and visual inspection of solder joints. With a height above board of 6.10mm, it offers a low-profile solution for space-constrained designs.</p><p>&nbsp;</p><p>Packaged in tape and reel for automated assembly, the 3010TR is compatible with wave and reflow soldering operations. The retainer style ensures secure battery retention while maintaining polarity marking for correct orientation. This component is suitable for use in consumer electronics, IoT devices, and medical equipment requiring reliable coin cell battery connections.</p>

<p>The Keystone Electronics 8112 is a P-type cable clamp designed for securing cables with a diameter of 0.937 inches (23.8 mm). It is constructed from steel with a zinc plated finish, providing corrosion resistance and durability. The clamp features a fastener mounting type with a panel hole size of 0.203 inches (5.16 mm) and a center-to-center distance of 0.750 inches (19.1 mm). The material thickness is 0.032 inches (0.81 mm) and the width is 0.500 inches (12.70 mm). This clamp is part of the 8100 series of steel cable clamps from Keystone Electronics. It is suitable for use in cable management applications where a secure, adjustable hold is required. The silver color offers a neutral appearance. The clamp is RoHS compliant and REACH unaffected, though these claims are unverified.</p>

<p>The Keystone Electronics 131 is a battery holder designed to accommodate a single 2/3A cylindrical cell. It features an open style construction that allows easy insertion and removal of the battery. The holder uses PC pin terminals for through-hole soldering onto a printed circuit board, providing a secure electrical connection. This holder is suitable for various battery-powered applications where a compact and reliable mounting solution is required. The through-hole mounting ensures mechanical stability during assembly and use.</p>

<p>The Keystone Electronics 3526 is a single-circuit fuse block designed for 3AG (1/4" x 1-1/4") cartridge fuses. It is rated for 15A at 500VAC and features a horizontal orientation for chassis mounting. The base is made of FR-4 material with a UL 94V-0 flammability rating, and the contacts are brass with a tin finish. Termination is via solder lugs, making it suitable for permanent wired installations in power distribution and industrial control applications.</p>

<p>The Keystone Electronics 4093 is a standard binding post designed for high-current applications requiring reliable electrical connections. Rated for 30 amps at 1000V AC working voltage, this red binding post features a captivated hex head that prevents accidental contact with current-carrying parts. The stud is constructed from brass per ASTM B-16 with nickel plating, providing good conductivity and corrosion resistance. Nylon insulation ensures electrical isolation between the post and mounting panel.</p><p>&nbsp;</p><p>Termination is via a 10-32 threaded stud and turret, accepting banana plugs (0.175" diameter), tip plugs (0.080" diameter), spade lugs, alligator clips, wires, and EZ hooks. The panel mount design includes anti-rotation features for secure installation. This binding post is suitable for use in audio circuitry, RF circuitry, oscilloscopes, power supplies, and various test equipment applications.</p><p>&nbsp;</p><p>The 4093 is RoHS3 compliant and REACH unaffected. It is part of Keystone's standard hex head binding post series, available in multiple colors for easy identification.</p>

<p>The Keystone 51 is a through hole mount battery contact clip designed for AAAA cells. It provides a low profile, economical solution for PCB battery retention. The steel frame with tin-nickel plating ensures durability and corrosion resistance. The clip uses PC pin termination for secure soldering to the board. Key dimensions include a height above board of 0.320 inches, overall length of 0.498 inches, width of 0.228 inches, and height of 0.296 inches. Reliable spring tension maintains low contact resistance and retains the battery securely under shock and vibration. This part is suitable for a wide range of portable and embedded applications requiring a compact AAAA battery interface.</p>

<p>The Keystone Electronics 1072TR is a surface mount coin cell battery holder designed for a single 12mm diameter cell, compatible with the 1220 and 1225 battery series. The holder uses gold-flashed phosphor bronze contacts for reliable low-resistance connections and secure battery retention under shock and vibration.</p><p>&nbsp;</p><p>The base is molded from LCP (Liquid Crystal Polymer) with a UL 94V-0 flammability rating, offering resistance to common industrial solvents. It operates over a wide temperature range from -50°C to +145°C, suitable for demanding environments.</p><p>&nbsp;</p><p>This model is supplied in Tape &amp; Reel packaging for automated SMD assembly. The SMD tab termination style allows for efficient PCB mounting. Typical applications include power transfer, memory backup, and backup systems in industrial, telecom, and computing equipment.</p>

<p>The Keystone Electronics 5202 is a battery contact spring (coil) designed for use in molded battery compartments. It accommodates multiple cell sizes with its spring-loaded design that adjusts to variations in battery length. The contact is constructed with a steel nickel plate plate and a spring steel nickel plate spring, ensuring durability and reliable electrical contact. The overall dimensions are 24.6mm length, 11.3mm width, and 14.0mm height, with a contact diameter of 1.57mm and mounting hole diameter of 2.5mm. Termination is via solder tabs, allowing for wire lead or PC board mounting. This contact is RoHS compliant and suitable for economical, space-saving battery holder designs.</p>

<p>The Keystone Electronics 2042 is a black phenolic cover panel designed for use with the 705 phenolic instrument case. The panel is made from glossy black phenolic material per MIL-P-3115C specification, ensuring durability and a professional appearance. With dimensions of 101.60mm (4.000") in length, 73.03mm (2.875") in width, and a thickness of 1.57mm (0.062"), it provides a precise fit.</p><p>&nbsp;</p><p>The panel is mounted using screws, and it is intended for applications where a sturdy, machinable cover is required to accommodate dials, switches, or displays.</p><p>&nbsp;</p><p>This component is RoHS3 compliant, suitable for prototype, laboratory, and industrial instrumentation environments where reliable enclosure solutions are needed.</p>

<p>The 6004 is a standard tip plug connector manufactured by Keystone Electronics. It is a male connector designed for free hanging (in-line) mounting, making it suitable for applications where a panel mount is not required. The connector features a solderless termination method, which simplifies assembly by eliminating the need for soldering. It is rated for use with 16 AWG wire. The body is molded from nylon, providing insulation, and the mating end is insulated to prevent accidental contact. The connector is color-coded yellow for easy identification. It is compliant with RoHS3 and REACH, and has an MSL of 1 (unlimited). Typical applications include test probes, educational kits, and general-purpose interconnections where a reliable, quick-connect tip plug is needed.</p>

<p>The Keystone Electronics 1056 is a surface mount coin cell battery holder designed for 12.5mm diameter cells (series 1220). It features an open frame style with SMD (SMT) tab termination for easy PCB mounting. The holder accommodates a single cell and has a height above board of 4.00mm (0.157 inches).</p><p>&nbsp;</p><p>Constructed with a glass filled PPS base rated UL 94V-0, the 1056 offers excellent thermal and chemical resistance. The contacts are made of phosphor bronze with gold flash plating, ensuring reliable electrical connection and corrosion resistance. The operating temperature range spans -50°C to +145°C, making it suitable for demanding environments.</p><p>&nbsp;</p><p>This holder is ideally suited for computer memory backup, power transfer systems, telecommunications, and industrial security applications. The spring tension design retains the battery securely to withstand shock and vibration. The product is RoHS3 compliant.</p>

<p>The Keystone Electronics 2072 is a jackscrew (thumb screw) accessory designed for D-Sub connectors. It features a 4-40 UNC thread and is made from steel with a black oxide finish. The overall length is 3.56mm (0.140 inches). This jackscrew is used to secure and align D-Sub connector pairs, providing mechanical stability in cable assemblies and panel mount applications. The black oxide coating offers mild corrosion resistance and a non-reflective surface. This part is RoHS compliant.</p>

<p>The Keystone Electronics 2463 is a battery holder designed to accommodate two AA cylindrical cells in a series configuration, delivering a combined voltage output. The holder features an open-style, chassis-mountable design with 6-inch (152.4mm) wire leads terminated with tinned ends, providing flexible installation options.</p><p>&nbsp;</p><p>The holder body is constructed from durable polypropylene, offering good electrical insulation and chemical resistance. The springs are made of nickel-plated spring steel, and the contacts are nickel-plated brass, ensuring reliable electrical connection and corrosion resistance. The contact springs are designed to self-adjust to variations in battery length, maintaining low contact resistance and secure battery retention under shock and vibration.</p><p>&nbsp;</p><p>This model (2463) is the wire-lead variant of the 246x series, which also includes PC mount and PC mount with ribbon options for different assembly needs. The series configuration of the two cells makes this holder suitable for powering devices requiring a nominal 3V supply from two 1.5V AA batteries.</p>

<p>The Keystone Electronics 222 is a battery holder clip designed to securely hold a single C cell battery. Constructed from steel, this clip provides reliable retention for cylindrical batteries in chassis mount applications. The clip accommodates a battery diameter of 0.921 inches (23.4 mm) and has a height of 0.937 inches (23.8 mm) with a width of 0.625 inches (15.9 mm). The part is classified as a holder clip with no contacts, functioning as a mechanical retainer. This clip is part of the Keystone Aluminum &amp; Steel Clips family and is suitable for use in battery-powered devices that require a fixed battery position.</p>

<p>The 3022-2 from Keystone Electronics is a surface mount coin cell retainer designed for 20mm diameter coin cell batteries. It accommodates a single 3V cell and uses SMD (SMT) tab termination for easy soldering to a PCB. The retainer features phosphor bronze contacts for reliable electrical connection and a high-temperature nylon 46 insulator with UL94V-0 flammability rating, ensuring safety in various applications.</p><p>&nbsp;</p><p>With a height above board of 5.08mm (0.200"), this retainer offers a low-profile design suitable for space-constrained assemblies. It includes battery release ports for convenient battery replacement. The insulator prevents shorting of the battery if installed incorrectly. The part is supplied loose (unassembled); a tape and reel variant (3022TR) is available for automated assembly.</p><p>&nbsp;</p><p>Typical applications include portable electronics, battery-powered sensors, and IoT devices where a reliable 20mm coin cell interface is needed. The retainer is RoHS3 compliant, meeting environmental standards.</p>

<p>The Keystone Electronics 3024-2 is a surface mount battery retainer designed for two 20mm (2032) coin cells connected in series, providing a 6V output. The retainer features a Nylon 46 insulator (UL 94V-0 rated) to prevent shorting and phosphor bronze contacts for reliable electrical connection.</p><p>&nbsp;</p><p>With a height above board of 6.43mm, this retainer offers a low-profile solution for coin cell mounting. It is supplied unassembled in loose packaging, with tape and reel options available (3024TR, 250 pieces per reel). The SMD tab termination facilitates automated assembly.</p><p>&nbsp;</p><p>This retainer is suitable for applications requiring compact battery power, such as memory backup, portable devices, and IoT sensors. The battery release ports allow for easy battery replacement. Compliance with RoHS ensures environmental standards are met.</p>

<p>The Keystone Electronics 2229 is a cylindrical battery holder designed to accommodate two AA cells in series. It features an open holder style with PC pin termination for direct soldering to a printed circuit board. The through-hole mounting type ensures secure attachment during assembly.</p><p>&nbsp;</p><p>This holder is suitable for applications requiring a reliable, low-profile battery retention solution. The open design allows for easy battery insertion and replacement. The PC pin terminals provide a stable electrical connection.</p><p>&nbsp;</p><p>Typical applications include portable electronics, backup power systems, and battery-powered devices where space is limited. The holder is constructed for durability and consistent performance.</p>