Keystone Electronics

<p>The Keystone Electronics 5100 is a compact, non-insulated SMT jumper designed for linking circuit board traces where through-hole jumpers are not feasible. It has a 2-position, 1x2 configuration with a 7.62mm pitch and a low profile of 2.54mm height, minimizing PCB footprint.</p><p>&nbsp;</p><p>This jumper is rated for 20A continuous current and features silver-plated phosphor bronze contacts for reliable conductivity. It is supplied in tape and reel packaging suitable for automated assembly.</p><p>&nbsp;</p><p>Designed for surface mount applications, the 5100 provides a space-saving solution for PCB trace connections. Its non-gendered design simplifies installation and routing.</p>

<p>This Keystone Electronics 9116 is an aluminum round instrumentation handle designed for panel mounting. It features a mounting center of 31.75mm (1.250 inches) with a height of 25.40mm (1.000 inches) and a depth of 15.9mm (0.625 inches). The handle is equipped with #6-32 threaded mounting holes on the back, accommodating ferrule hardware with a thread diameter of 4.7mm, outer diameter 7.9mm, and inner diameter 3.7mm.</p><p>&nbsp;</p><p>Constructed from aluminum, this handle offers a lightweight yet durable solution for instrument enclosures. The ferrule thickness is 3.2mm (0.125 inches). The handle type is instrumentation, making it suitable for use in various electronic and industrial equipment requiring a secure grip and professional appearance.</p><p>&nbsp;</p><p>Mounting is accomplished via screw holes on the back, allowing for straightforward installation. The handle is part of the Keystone 9100/9110 series, with the 9116 being the aluminum variant of the brass 9106. This product is listed as RoHS3 compliant, REACH unaffected, and MSL level 1.</p>

<p>The Keystone Electronics 3522-2 is a single-circuit vertical blade fuse clip block designed for use with ATC and ATO blade fuses measuring 0.75" L x 0.2" W (19.1mm x 5.1mm). It is rated for 20A at 500V AC and features a through-hole mounting style with PC pin termination.</p><p>&nbsp;</p><p>The insulator is made of UL 94V-0 rated nylon, and the brass contacts are finished with tin-nickel plate. The UL temperature rating spans -50°C to +145°C. The vertical orientation allows for compact PCB layouts, and the design holds the fuse securely even after multiple insertions while preventing solder wicking during wave soldering.</p>

<p>The Keystone 84-6 is a shielded 9V battery snap connector designed for secure battery connections. It features a molded ABS base with integral strain relief, brass nickel-plated contacts, and 26 AWG tinned copper wires with PVC insulation. The wires are stripped to .187" (4.8mm) for easy termination. This connector is UL/CSA1007 rated and RoHS compliant. Ideal for applications requiring a reliable, insulated connection to 9V batteries, reducing the risk of short circuits and electrical discharge. The free-hanging design with 6" leads allows flexible mounting.</p>

<p>The Keystone Electronics 4606 is a closed frame transistor socket designed for TO-3 package devices. It features 3 positions arranged in a rectangular grid and is intended for chassis mounting with solder termination.</p><p>&nbsp;</p><p>The socket is constructed with a glass-filled polyester housing and brass contacts with a tin finish. The closed frame design provides mechanical protection and secure retention for the transistor.</p><p>&nbsp;</p><p>This socket is suitable for applications requiring reliable connection to TO-3 power transistors in a chassis-mounted configuration. The tin contact finish offers good solderability and corrosion resistance.</p>

<p>The Keystone Electronics 4732 is a protective cover designed for use with power transistors housed in the industry-standard TO-3 case style. This metal or plastic cover fits over the transistor to provide mechanical protection and electrical insulation as needed.</p><p>&nbsp;</p><p>Key specifications include an inside diameter of 0.210 inches, ensuring a secure fit onto the transistor base. The component type is a cover, serving a purely mechanical role in the assembly.</p><p>&nbsp;</p><p>This part is intended for applications where a TO-3 packaged power transistor requires an additional protective or insulative cover. It is a simple, passive hardware component with no electrical rating.</p>

<p>The Keystone Electronics 8133 is a P-Type cable clamp designed for securing and routing cables. Constructed from steel with a zinc plating, it offers durability and corrosion resistance. The clamp features a 0.937-inch (23.8mm) opening diameter, suitable for accommodating cables of that size. It is designed for fastener mounting, with a panel hole size of 0.203 inches (5.16mm) and a width of 0.500 inches (12.70mm). The material thickness is 0.032 inches (0.81mm). The clamp includes a protective coating to enhance longevity. Available in black and silver color options, this clamp is RoHS compliant and REACH unaffected. It is commonly used in cable management applications for organizing and supporting wiring in various electronic enclosures and equipment.</p>

<p>The Keystone Electronics 7824 is a male quick connect tab header designed for rugged multi-insertion applications. It features four 0.250" (6.35mm) wide tabs made of tin-plated steel, with a non-mating end insulated black thermoplastic housing rated UL 94V-0.</p><p>&nbsp;</p><p>This header is rated for 15A at 500V AC and operates over a temperature range of -50°C to +145°C. The through hole, right angle mounting configuration ensures perpendicular positioning and retention for wave soldering.</p><p>&nbsp;</p><p>Ideal for applications requiring multiple quick-connect terminals in a compact assembly, such as power supplies, industrial controls, and automotive electronics. The pre-assembled header design reduces PC board assembly costs and increases board retention strength.</p>

<p>The 907 is a lockwasher terminal lug manufactured by Keystone Electronics. It features an internal tooth lockwasher style designed to provide a secure mechanical and electrical connection when mounted with a mating screw.</p><p>&nbsp;</p><p>The terminal has a flat mounting style with a length of 11.79mm (0.464 inches) and a hole diameter of 1.98mm (0.078 inches). It is constructed from brass with a tin-plated finish, offering good conductivity and corrosion resistance. The material thickness is 0.018 inches (0.46mm).</p><p>&nbsp;</p><p>This lug is suitable for solder lug termination applications where a lockwasher is needed to prevent loosening. It is commonly used in grounding, power distribution, and chassis connections in electronic assemblies. Ensure the mounting hole size matches the application requirements.</p>

<p>The Keystone Electronics 3517 is a single-circuit through hole fuse clip designed for 5mm diameter cartridge fuses. It features a horizontal orientation and PC pin termination for reliable PCB mounting.</p><p>&nbsp;</p><p>The clip is constructed from 0.020 inch thick brass with a tin plate finish. It carries a UL current rating of 15 Amps. The center-to-center dimensions are 0.060 inches for both the A and B dimensions.</p><p>&nbsp;</p><p>This fuse clip is suitable for use in circuit protection applications where a 5mm cartridge fuse is required. The through hole mounting provides a secure mechanical and electrical connection to the printed circuit board.</p>

<p>The Keystone Electronics 4001 is a through hole solder lug terminal designed for reliable solder connections in electronic assemblies. It features a smooth edge style and is constructed from 0.46mm thick brass with a tin-plated finish for corrosion resistance and solderability.</p><p>&nbsp;</p><p>This terminal has a #6 stud size and a PCB long tail terminal type, making it suitable for mounting on printed circuit boards. The overall length is 14.27mm (0.562 inches). The smooth edge design helps prevent damage to wires and insulation during assembly.</p>

<p>The Keystone Electronics 3035 is a battery retainer designed for single 20mm coin cell batteries, compatible with series 2016, 2020, 2025, and 2032. This retainer uses PC pin termination for reliable through-hole PCB mounting, ensuring a secure mechanical and electrical connection to the circuit board.</p><p>&nbsp;</p><p>The retainer has a height above board of 0.170" (4.33mm), making it suitable for low-profile applications. The coin cell is held firmly in place by the retainer's spring contacts, providing consistent battery contact pressure. Typical applications include portable devices, memory backup systems, and embedded electronics where a replaceable coin cell power source is needed.</p><p>&nbsp;</p><p>The through-hole mounting style offers robust mechanical attachment suitable for manual or wave soldering assembly processes. The PC pin style termination simplifies PCB layout and provides a durable connection point.</p>

<p>The 7319 from Keystone Electronics is a lockwasher terminal lug designed for use with #8 studs. It features an internal tooth style for secure fastening and an angled mounting orientation for space-constrained applications.</p><p>&nbsp;</p><p>The terminal is constructed from 0.018" (0.46mm) thick brass with a tin-plated finish, providing good conductivity and corrosion resistance. The hole diameter measures 0.093" (2.36mm) and the overall length is 20.62mm (0.812"). The terminal type is long stem, shaped.</p><p>&nbsp;</p><p>Typical applications include grounding connections, wire-to-stud terminations, and PCB mounting in electrical panels, automotive, and industrial equipment.</p>

<p>The Keystone Electronics 8219 is a non-insulated spade terminal designed for reliable wire termination in electrical and electronic assemblies. It accepts 18 to 22 AWG wire and fits a #8 stud, making it suitable for a variety of power and signal connections.</p><p>&nbsp;</p><p>The terminal is constructed from ETP copper with a tin finish, providing good conductivity and corrosion resistance. It has a material thickness of 0.76 mm and a barrel inner diameter of 2.29 mm. The overall dimensions are 16.50 mm in length and 7.62 mm in width.</p><p>&nbsp;</p><p>This component uses a crimp termination style and is intended for free hanging (in-line) mounting. It is part of Keystone's flanged spade terminal series, offering a secure mechanical and electrical connection.</p>

<p>The Keystone Electronics 3588TR is a surface mount blade fuse holder designed for Mini (ATM) fuses. It features a vertical entry orientation with gull wing terminals for reliable SMT soldering.</p><p>&nbsp;</p><p>Rated at 20 Amps and 500V AC, this holder uses brass contacts with a matte tin finish and a high temperature Nylon 46 insulator rated UL 94V-0. The operating temperature range is -50°C to +145°C.</p><p>&nbsp;</p><p>Packaged in tape and reel (32 mm tape width, 16 mm pitch) on a 13 inch reel with 500 pieces per reel, it is compatible with vacuum and mechanical pick-and-place assembly systems.</p>

<p>The 108C is a snap-on retainer cover designed for CR2 cell batteries, manufactured by Keystone Electronics. It is intended for use with the 36-108-ND battery holder to securely retain the battery in place, protecting against shock, vibration, and shorting.</p><p>&nbsp;</p><p>The retainer cover features a base made of PBT (Polybutylene Terephthalate) with a UL 94V-0 flammability rating. The contacts are made of 0.012 inch (0.30 mm) stainless steel with a tin-nickel plating for excellent solderability and durability. The snap-on design ensures a firm hold during wave soldering and offers tamper-proof retention.</p><p>&nbsp;</p><p>Operating temperature range is -50°C to +145°C (-60°F to +290°F), making it suitable for a wide range of environments. Typical applications include computer memory and power backup systems, telecommunications equipment, residential and commercial security systems, as well as PLC and industrial controls.</p>

<p>The Keystone Electronics 1252 is a non-insulated female quick connect receptacle designed for use with 0.110" (2.79mm) wide male quick disconnect tabs. The tab thickness is 0.020" (0.51mm).</p><p>&nbsp;</p><p>This receptacle accepts 18-22 AWG wire and uses a crimp termination for a secure mechanical and electrical connection. The contact is made of brass with a tin finish, providing good conductivity and corrosion resistance.</p><p>&nbsp;</p><p>With a free hanging (in-line) mounting style, this connector is suitable for wire-to-wire or wire-to-board applications where a quick disconnect is required. The overall length is 0.640" (16.26mm) and the material thickness is 0.010" (0.25mm).</p><p>&nbsp;</p><p>As a non-insulated part, it is intended for use where insulation is not needed or where a separate insulating boot can be added. It is commonly used in automotive, industrial, and consumer electronics wiring.</p>

<p>The Keystone Electronics 4907 is a Quick-Fit male quick connect tab terminal designed for solder termination to printed circuit boards. It features a 0.187" (4.75mm) tab width and 0.032" (0.81mm) tab thickness, conforming to industry-standard quick disconnect dimensions. The terminal is constructed from brass with a tin plate finish, providing good conductivity and solderability. It is a non-insulated, through-hole, right-angle mount component, suitable for applications requiring a secure, low-resistance connection. The mounting hole diameter is 0.052" (1.3mm). This part is recognized under UL File Number E201546, indicating compliance with NEMA and UL310 standards for Quick-Fit terminals.</p>

<p>The Keystone Electronics 968 is a 9V battery snap connector designed for PCB mounting. It features a single cell configuration with PC pin termination, making it ideal for permanent battery connections on printed circuit boards. The connector has a durable fibre base measuring 0.062 inches (1.57 mm) thick, with steel contacts that are nickel plated for corrosion resistance. The brass pins are tin plated for excellent solderability and low contact resistance. The snap-style design allows for quick and secure attachment to 9V battery terminals. This connector is wave solderable and features an anti-wicking design to prevent solder from flowing up the pins. It is RoHS compliant and suitable for a wide range of battery-powered applications.</p>

<p>The Keystone Electronics 5221 is a battery contact designed for AA cells. It features a solid positive button contact and a negative spring contact, both terminated with solder tabs for secure mounting. The contacts are constructed from steel with nickel plating, ensuring durability and reliable electrical connection.</p><p>&nbsp;</p><p>This dual contact design is ideal for molded cases with self-contained battery compartments. The spring contact automatically adjusts to variations in battery length, maintaining consistent pressure and low contact resistance. The solder tab design allows for either wire lead or direct PC board mounting.</p><p>&nbsp;</p><p>Typical applications include portable electronic devices, battery-powered equipment, and any design requiring a compact and economical battery contact solution. The nickel plating provides corrosion resistance and good conductivity.</p>

<p>The 2232 from Keystone Electronics is a battery holder designed for a single D cell cylindrical battery. It features PC pin termination for reliable electrical connection and is mounted via through hole on a PCB. The open style holder allows easy battery insertion and removal. This holder is part of Keystone's battery holder product line and is listed as RoHS3 compliant, REACH unaffected, and has an MSL rating of 1 (unlimited). It is cross-referenced as Digi-Key part number 36-2232-ND. Note: Compliance data is unverified and should be confirmed from the manufacturer.</p>

<p>The Keystone Electronics 7230 is a jackscrew socket designed for use with D-Sub connectors. It features a 4-40 thread size with a 7.92mm (0.312 inch) length. The jackscrew has a hex head style and is made of steel with a zinc plate and yellow chromate finish for corrosion resistance. This part is supplied as a set of two pieces: one jack screw and one nut. It is RoHS3 compliant and suitable for applications requiring secure mating of D-Sub connectors.</p>

<p>The Keystone Electronics 1563 is a single end hollow turret terminal featuring a double turret design. It is intended for panel mount applications with threaded termination.</p><p>&nbsp;</p><p>The terminal has a length of 3.96mm (0.156 inches) and a diameter of 2.36mm (0.093 inches). The flange diameter is 3.18mm (0.125 inches) hex. It is constructed from brass with a bright tin plating for solderability and shelf life.</p><p>&nbsp;</p><p>This non-insulated terminal is suitable for use in terminal boards and custom assemblies. The threaded mounting allows secure attachment to panels.</p>

<p>The Keystone Electronics 7690 is a 4-position screw terminal connector designed for through hole, right angle mounting with snap-fit legs. It is rated for 15A continuous current and accommodates 14-22 AWG solid or stranded wire, crimp terminals, or lugs. The terminal is made of 0.032" brass with matte tin plate, and the binding head screw is brass with nickel plate, size 6-32 x 0.250" long, supplied unassembled. The low-profile design includes an anti-rotational feature for stable mounting and is suitable for high-density PCB packaging. This terminal is a practical, low-cost alternative to barrier blocks, terminal strips, and PC screw-type edge connectors. It mounts easily into pre-drilled or punched holes using four legs.</p>

<p>The Keystone Electronics 2991 is a surface mount battery contact designed for coin cell applications. It features an SMD (SMT) tab termination for easy PCB mounting. The contact is made of phosphor bronze with tin-nickel plating, ensuring reliable electrical connection and corrosion resistance.</p><p>&nbsp;</p><p>With a height above board of just 0.016" (0.41mm), this contact is suitable for low-profile designs. It is supplied on tape and reel packaging with 16mm tape width, 8mm pitch, and 1500 pieces per 7" reel. The part is RoHS3 compliant according to the datasheet, though independent verification is lacking.</p><p>&nbsp;</p><p>This negative contact is ideal for use in battery holders for coin cells such as CR2012, CR2016, CR2020, CR2025, CR2032. It can be used in 3V or 6V (two-cell) configurations. The contact is designed for use with plastic insulators that prevent shorting when batteries are installed improperly.</p><p>&nbsp;</p><p>The part is available in tape and reel packaging for automated assembly, with a reel capacity of 1500 pieces per 7" reel.</p>