Keystone Electronics

<p>The Keystone 1507-3 is a through-hole turret terminal designed for high-reliability solder connections in electronic assemblies. It features a single-end fork hollow design with staking flare and knurled termination for secure mechanical retention.</p><p>&nbsp;</p><p>The terminal is constructed from brass with a tin contact finish and is non-insulated. It measures 8.33mm (0.328") overall length with a flange diameter of 4.75mm (0.187"). The board thickness accommodated is 0.093" (2.36mm) and the staking side outer diameter is 0.112" (2.84mm).</p><p>&nbsp;</p><p>Typical applications include point-to-point wiring, test equipment, and breadboard prototyping where reliable low-resistance connections are required. The through-hole design allows hand or wave soldering to a printed circuit board.</p>

<p>The Keystone Electronics 1559-2 is a single end hollow turret terminal designed for through hole mounting with a staking flare termination. The terminal is constructed from brass with a tin contact finish, providing reliable conductivity and solderability. It features a non-insulated design with a single turret.</p><p>&nbsp;</p><p>Mechanical specifications include a length of 4.75mm (0.187"), a diameter of 2.46mm (0.097"), a flange diameter of 3.18mm (0.125"), and a mounting hole diameter of 1.93mm (0.076"). The staking side outer diameter is 1.80mm (0.071") and the board thickness is 1.57mm (0.062").</p><p>&nbsp;</p><p>This turret terminal is suitable for applications requiring a robust, solderable connection point on a printed circuit board. The hollow design allows for component lead insertion and soldering. The staking flare termination secures the terminal to the board during assembly.</p>

<p>The Keystone Electronics 1293 is a heavy duty screw terminal rated for 30 A. It features a 10-32 screw size and is designed for through hole mounting with solder termination. The terminal is constructed from brass with a matte tin plate finish, and the screw is steel with nickel plate. It includes an anti-rotational tab for use with spade terminals and has a low profile design. The screw is not included with this part.</p>

<p>The Keystone Electronics 1271 is a male quick connect tab terminal designed for solderless connections in a variety of electrical and electronic assemblies. It features a tab width of 0.187" (4.75mm) and a tab thickness of 0.020" (0.51mm), making it suitable for standard 0.187" quick disconnect receptacles. The terminal is constructed from brass with a tin-plated finish, providing good conductivity and corrosion resistance.</p><p>&nbsp;</p><p>The terminal uses an angled 45° design and supports mounting directly to a board or chassis via screw, rivet, or stud termination. It is non-insulated, making it ideal for applications where insulation is not required or where the terminal is used in a controlled environment. The part is rated for 15 Amps at 500V AC and can operate over a temperature range of -50°C to +145°C, suitable for many industrial and commercial uses.</p>

<p>The Keystone Electronics 1236 is a PC pin receptacle designed to accept pin diameters ranging from 0.010" to 0.050" (0.25mm to 1.27mm). It features a press-fit termination style for secure mounting into a PCB hole of 0.062" to 0.067" (1.57mm to 1.70mm). The contact is made of brass with a tin finish, providing reliable electrical connectivity.</p><p>&nbsp;</p><p>This receptacle has a standard tail type with an overall length of 11.90mm (0.469") and a socket depth of 5.56mm (0.219"). The flange diameter is 2.03mm (0.080") and the pin hole diameter is 1.27mm (0.050"). These dimensions make it suitable for use in various interconnection applications where a press-fit, solderless connection is desired.</p><p>&nbsp;</p><p>The part is RoHS3 compliant and REACH unaffected, with an MSL rating of 1 (unlimited). It is categorized under PC Pin Receptacles, Socket Connectors within the Connectors, Interconnects family.</p>

<p>The Keystone Electronics 107 is a single-cell coin battery holder designed for 23mm diameter cells such as CR2320, CR2325, CR2330, and CR2335. It features a through-hole PCB mounting style with PC pin terminals for secure soldered connections.</p><p>&nbsp;</p><p>The holder is constructed with a steel contact and a high-temperature Nylon 46 base rated UL 94V-0 for flammability. It operates over a wide temperature range from -50°C to +145°C, making it suitable for demanding environments. The open-frame design allows easy battery insertion and removal without tools.</p>

<p>The Keystone Electronics 501 is a through-hole coin cell holder designed to accommodate two 12mm coin cells from the 1216, 1220, or 1225 series. It features an open holder style with PC pin termination for secure PCB mounting. The holder is constructed with a high temperature Nylon 46 base rated UL 94V-0 and phosphor bronze contacts with gold flash plating, ensuring reliable electrical connection and durability. With an operating temperature range of -50°C to 145°C, it is suitable for a wide range of environments. The height above board is 7.10mm (0.280 inches). This holder is RoHS compliant and ideal for battery backup and power transfer applications in computer memory, telecommunications, and industrial systems.</p>

<p>The 5228 from Keystone Electronics is a dual battery contact spring designed for molded cases with self-contained battery compartments. It accommodates 2 cells with a cylindrical contact (dual) function. The contact spring (coil) style provides reliable low contact resistance.</p><p>&nbsp;</p><p>Termination is via solder tab for wire lead or PC mounting. The plate is made of 0.020" (0.51 mm) steel with nickel plate, and the spring is spring steel with nickel plate. The mounting type is custom, suitable for integration into custom battery compartments.</p><p>&nbsp;</p><p>This part is RoHS3 compliant. It is a reliable and economical solution for battery connections in various applications.</p>

<p>This Keystone Electronics 2998 is a battery retainer designed for 6.8mm coin cells. It features a single cell configuration with surface mount termination (SMD tab). The retainer has a height above board of 0.120 inches (3.05mm) and is compatible with battery series 364 and 621.</p><p>&nbsp;</p><p>Constructed from phosphor bronze with tin-nickel plate, the retainer offers reliable electrical contact. It is supplied in tape and reel packaging with 1000 pieces per reel, suitable for automated assembly.</p><p>&nbsp;</p><p>Environmental compliance includes RoHS3 status (unverified), MSL level 1, and REACH unaffected. Note that pricing and lead time are not available from this source.</p>

<p>The Keystone Electronics 5211 is a dual battery contact designed for use with two AA cells. It features a contact spring and solid button style, providing reliable electrical connection. The contacts are made from spring steel with nickel plating for corrosion resistance and good conductivity.</p><p>&nbsp;</p><p>Termination is via solder lug, suitable for custom mounting applications. The contact accommodates variations in battery lengths through its spring mechanism. This part is intended for molded cases with self-contained battery compartments.</p><p>&nbsp;</p><p>The 5211 is RoHS compliant, ensuring environmental compliance. It is designed for economical and reliable battery contact in space-saving configurations.</p>

<p>The Keystone Electronics 1294 is a 9V battery holder designed to accommodate one standard 9V battery. It features PCB through-hole mounting with PC pin terminals for secure electrical connection. The holder operates over a wide temperature range of -40°C to 130°C, making it suitable for demanding environments.</p><p>&nbsp;</p><p>Constructed with a glass filled nylon body, brass tin plate terminals, and steel nickel plate contacts, the 1294 offers durability and reliable performance. The snap-in terminals ensure positive contact and proper polarity, while the design withstands severe shock and vibration. The holder is impervious to most industrial solvents.</p><p>&nbsp;</p><p>Typical applications include power source and memory backup in PLC systems, telecommunications equipment, data processing, security systems, clocks, radios, toys, and appliances. The open holder style allows easy battery insertion and replacement.</p>

<p>The Keystone Electronics 233 is a 9V battery snap connector designed for single-cell applications. It features a snap connector style with 6" (152.4mm) wire leads terminated in 26 AWG stranded (7/34) PVC-insulated wire rated to 300V and +176°F (+80°C). The connector uses brass contacts with nickel plating and a polypropylene base measuring 1.062" x 0.512" (27.0mm x 13.0mm).</p><p>&nbsp;</p><p>This connector is free hanging (no mounting required) and includes a 0.250" (6.4mm) stripped and tinned wire end for easy connection. The wire leads meet UL/CSA 1007 requirements. The part is RoHS3 compliant as verified by the datasheet.</p><p>&nbsp;</p><p>Designed for single 9V battery applications, this snap connector provides a secure connection with strain relief. The nickel-plated brass contacts ensure reliable conductivity and corrosion resistance. The polypropylene base offers durability and electrical insulation.</p>

<p>This is a dual battery contact from Keystone Electronics, part number 5212. It consists of a contact spring and a solid button, designed for use with cylindrical batteries in a 2-cell configuration. The contact accommodates multiple battery cell sizes including AA, CR2, A, 17500, 18350, and 18650.</p><p>&nbsp;</p><p>The contact is made from steel with nickel plating for the plate and spring steel with nickel plating for the spring. It has a custom mounting type and operates over a temperature range of -45°C to 85°C. The contact diameter is 1.57 mm.</p><p>&nbsp;</p><p>This component is RoHS compliant and suitable for battery holder applications requiring reliable electrical contact. The dual contact design provides both positive and negative connections.</p>

<p>The 5201 is a cylindrical battery contact spring designed for use with multiple battery cell sizes. It features a solder lug termination style, allowing for secure soldered connections in custom mounting configurations. The spring-style contact provides reliable electrical connection for battery-powered devices. The component is RoHS3 compliant, ensuring environmental compliance in electronic assemblies. It is suitable for applications requiring a single cylindrical battery contact, such as handheld devices, portable electronics, and battery holders. The custom mounting type indicates that the part can be integrated into various PCB or chassis layouts.</p>

<p>The Keystone Electronics 4594 is a chassis mount transistor socket designed for TO-100 packages. It features 10 positions with solder termination, making it suitable for permanent connections in power transistor applications. The socket incorporates a glass filled LCP base for high temperature resistance and insulation, with a brass nickel plated shell providing durability and shielding. Contacts are beryllium copper with gold plate, ensuring reliable low-resistance connections. The closed frame design eliminates the need for separate insulating sleeves, simplifying assembly and improving reliability. This socket accepts lead diameters from 0.016 to 0.032 inches and is built for rugged chassis mounting.</p>

<p>The Keystone Electronics 8240 is a non-insulated flanged spade terminal designed for 14-16 AWG wire with a #8 stud size. It features a tin-plated ETP copper contact for reliable conductivity and corrosion resistance. The terminal uses a crimp termination style and is free hanging (in-line) mountable. With a width of 7.62mm (0.300") and length of 16.50mm (0.650"), it offers a compact footprint for tight spaces. The material thickness is 0.76mm (0.030") and the barrel inner diameter is 2.29mm (0.090"). This terminal is suitable for a variety of power and signal interconnection applications where a secure, permanent connection is required.</p>

<p>The Keystone Electronics 1593-3 is a double turret terminal designed for through hole mounting with a staking flare termination. The terminal is constructed from brass per ASTM-B16 and features a bright electro-tin finish per MIL-T-10727 Type 1, providing excellent solderability and extended shelf life.</p><p>&nbsp;</p><p>This terminal has a length of 3.96mm (0.156") and a flange diameter of 2.39mm (0.094"). The mounting hole diameter is 1.70mm (0.067") and it is designed for a board thickness of 0.093" (2.36mm). The staking side outer diameter is 1.57mm (0.062").</p><p>&nbsp;</p><p>Double turret terminals are used in a variety of interconnection applications where a reliable, solderable connection point is required. The non-insulated design allows for direct contact. The staking flare termination provides a secure mechanical attachment to the printed circuit board.</p>

<p>The Keystone Electronics 735 is a rubber grommet designed for cable pass-through applications. It features an inside diameter of 0.125" (3.18mm) and an outside diameter of 0.500" (12.7mm). The grommet fits a panel cutout diameter of 0.375" (9.53mm) and accommodates panel thicknesses up to 0.093" (2.36mm). Its overall height is 0.312" (7.9mm). Made from flexible black rubber, it provides vibration dampening and electrical insulation for wires passing through metal or plastic enclosures. Commonly used in office equipment, lab instrumentation, and industrial controls.</p>

<p>The Keystone Electronics 1061TR is a surface mount coin cell holder designed for 20mm diameter batteries. It accommodates one or two cells, supporting battery series such as 2012, 2016, 2020, and 2025. The holder features steel contacts with tin-nickel plating and a nylon 46 base rated UL 94V-0 for flame retardancy. The height above the board is 0.156 inches (3.96mm), enabling compact PCB designs. It operates over a wide temperature range of -50°C to 145°C. The component is packaged in tape and reel with 200 pieces per reel, suitable for automated assembly. Its raised mounting design allows components to be placed underneath, optimizing board space for applications like PC/104 systems.</p>

<p>The Keystone 5102TR is a micro-miniature surface mount (SMT) jumper designed for linking circuit board traces in applications where through-hole jumpers are not feasible. It features a non-insulated, non-gendered design with two positions.</p><p>&nbsp;</p><p>The jumper is rated for 20A continuous current and has a 2.90mm pitch. It uses a phosphor bronze contact with a silver finish, ensuring reliable electrical performance. The component is surface mountable with a low profile height of 1.00mm, making it suitable for compact PCB layouts.</p><p>&nbsp;</p><p>Supplied in tape and reel packaging (2500 pieces per 7" reel) with 12mm tape width and 4mm pitch. It is RoHS3 compliant (low confidence), MSL Level 1, and REACH unaffected.</p>

<p>The Keystone Electronics 3527C is a fuse cover accessory intended for use with 5mm x 20mm fuses. The cover is constructed from thermoplastic material rated UL 94V-0 for flame resistance. The spring contact is made of beryllium copper with gold plating, while the pin contact is brass with tin plating, ensuring reliable electrical connection. The component measures 24.0 mm in length, 8.0 mm in width, and 13.0 mm in height. It is rated for 5 A at 250 V AC. The mounting type is through hole with solder pin termination.</p>

<p>The Keystone Electronics 7780 is a low-profile screw terminal designed for easy mounting and reliable connections. It features a stable, no-rock design with an anti-rotational feature, making it ideal for high-density packaging. The terminal accepts 14-22 AWG solid or stranded wire, as well as crimp terminals or lugs.</p><p>&nbsp;</p><p>Rated at 15 Amps, the 7780 uses a brass terminal with matte tin plate and a brass binding head screw with nickel plate. The screw size is 6-32. The part is supplied without the screw (screw not included). Mounting is through hole with snap-fit legs that fit into pre-drilled or punched holes.</p><p>&nbsp;</p><p>This terminal is suitable for PC board testing, power distribution, and general interconnection in control panels and instrumentation. Its low profile and space-saving design allow for dense placement on PCBs.</p>

<p>The 596 from Keystone Electronics is a PC Pin battery contact designed for through-hole mounting on PCBs. It features a solid positive contact style suitable for cylindrical batteries in multiple cell sizes. With a height above board of 0.450" (11.43mm), this contact provides reliable spring tension for low contact resistance and secure battery retention. The termination style is PC Pin, ensuring easy soldering onto the PCB. This component is RoHS3 compliant and has an MSL rating of Level 1 (unlimited). Ideal for applications requiring a compact, low-profile battery contact for single-cell battery holders.</p>

<p>The Keystone Electronics 8126 is a steel P-type cable clamp designed for securing and routing cables. The clamp features a 0.500" (12.70mm) opening to accommodate a cable bundle of that diameter. Made from 0.032" thick steel with a zinc plating, it offers moderate corrosion resistance and a protective coating. The fastener mounting type allows for secure attachment to panels or chassis. The center-to-center distance of mounting holes is 0.562" (14.3mm). This clamp is RoHS3 compliant.</p>

<p>The Keystone Electronics 15022 is a scored turret terminal board designed for through-hole mounting. It features 50 turret terminals arranged in 2 rows with a pitch of 5.54 mm (0.218") and a row spacing of 19.05 mm (0.750"). The board is constructed from XP Phenolic (PBE) insulation material, rated for a maximum operating temperature of 121°C. Terminals are brass, tin plated per MIL-T-10727, with a double turret configuration allowing multiple solder connections per terminal.</p><p>&nbsp;</p><p>This board is part of Keystone's scored turret terminal board family, which allows easy separation into smaller sections for flexible circuit layouts. The board size is 198.4 mm (7.812") long, 25.4 mm (1.000") wide, and 1.57 mm (0.062") thick, with mounting holes of approximately 3.1 mm diameter. The miniature strip feature makes it suitable for compact electronic assemblies.</p><p>&nbsp;</p><p>Typical applications include prototyping, breadboarding, and point-to-point wiring in industrial controls, test equipment, and power supply circuits where reliable solder connections are required. The double turret terminals accommodate component leads and wire wrap connections.</p>

<p>The Keystone Electronics 6072 is a standard banana plug designed for solder lug termination. It features a male gender with a 0.175 inch (4.4 mm) plug tip diameter and an overall length of 0.960 inches (24.4 mm). The plug is non-insulated and constructed with a brass, nickel-plated body and a phosphor bronze four-leaf spring for reliable contact. It is rated for 15A current. The mounting type is internal thread with a 6-32 thread size, making it suitable for panel or chassis mounting. This connector is RoHS compliant and has an MSL of 1 (unlimited). It is commonly used in test and measurement equipment, power supplies, and audio applications where secure banana plug connections are required.</p>

<p>This is a shorting jack (shunt) from Keystone Electronics, part number 1400B. It is an insulated closed top grip type with 2 female sockets arranged in a 1x2 grid. The pitch between positions is 10.16mm (0.400 inches). The overall height is 12.70mm (0.500 inches).</p><p>&nbsp;</p><p>The housing is made of black polypropylene (PP) with glass filling, providing good insulation and mechanical strength. The contacts are beryllium copper with a gold finish, ensuring reliable electrical connection and corrosion resistance. The mounting type is press-fit, requiring a mounting hole diameter of 1.09mm (0.043 inches). Overall dimensions: length 10.2mm, width 15.7mm.</p><p>&nbsp;</p><p>This component is commonly used as a shunt or jumper in rectangular connector systems to short two adjacent pins. The closed top grip design allows for easy handling and insertion. The black color indicates the standard insulation color. The part is RoHS3 compliant and REACH unaffected (unverified). It is suitable for applications requiring a reliable shorting connection in a compact form factor.</p>

<p>The Keystone Electronics 1258 is a high-quality 2-tab male quick connect terminal designed for rugged multi-insertion applications. With a tab width of 0.250" (6.35mm) and tab thickness of 0.032" (0.81mm), this terminal offers a reliable connection for quick-disconnect applications.</p><p>&nbsp;</p><p>Electrical ratings include 15 Amps at 500V AC, with an operating temperature range of -50°C to +145°C (-58°F to +292°F). The contact is made of brass, tin plated for corrosion resistance, and the insulator is thermoplastic with a UL 94V-0 flammability rating.</p><p>&nbsp;</p><p>This terminal features an angled 45° tab orientation and is designed for board or chassis mounting via screw, rivet, or stud termination. The non-insulated design makes it suitable for applications where the terminal is not exposed to accidental contact, or where space is limited.</p><p>&nbsp;</p><p>Typical applications include power distribution, industrial controls, automotive wiring, and any equipment requiring a robust quick-connect interface that can withstand repeated mating cycles.</p>

<p>The Keystone Electronics 7787 is a through hole screw terminal designed for heavy-duty PCB connections. It features a 30A current rating and six snap-in legs for secure mounting. The terminal uses a 10-32 stainless steel screw and is constructed from brass with matte tin plate. This part does not include a screw, allowing the user to supply their own. The snap-fit termination ensures reliable mechanical retention during assembly.</p>

<p>The Keystone Electronics 4928 is a non-insulated quick fit terminal designed for surface mount applications. It features a male tab with a width of 0.240" (6.10mm) and a thickness of 0.032" (0.81mm), making it suitable for standard quick disconnect connectors.</p><p>&nbsp;</p><p>The contact is made from brass with a tin finish, ensuring good conductivity and corrosion resistance. The overall length of the terminal is 10.49mm (0.413"). Termination is via solder, compatible with surface mount assembly processes. The part is RoHS3 compliant and has an MSL of 1 (unlimited), though these compliance values are unverified.</p>

<p>The Keystone Electronics 2478 is a battery holder designed to accommodate four AA cells connected in series. It features a chassis mount configuration with 6-inch (152.4 mm) wire leads terminated with #26 AWG UL/CSA1007 wire. The holder is constructed from polypropylene, with spring steel nickel-plated springs and brass nickel-plated PC pins for reliable electrical contact. This open-style holder securely holds batteries and self-adjusts to variations in battery length, ensuring a positive connection and low contact resistance. It is suitable for applications requiring a durable and economical battery retention solution.</p>