Solid State Devices Inc (SSDI)

<p>The 1N4554B is a Zener diode manufactured by Solid State Devices Inc (SSDI). It provides a nominal Zener voltage of 6.2V with a tolerance of ±10% and a power dissipation rating of 50W. The device exhibits a low Zener impedance of 0.14Ω, ensuring stable voltage regulation. Forward voltage is 1.5V at 10A, and reverse leakage current is 20µA at 2V.</p><p>&nbsp;</p><p>The diode is housed in a rugged DO-203AB (DO-5) stud mount package, suitable for high-power applications requiring efficient heat dissipation. It supports an operating temperature range from -65°C to 175°C, making it suitable for extreme environments. The stud mount design allows for secure attachment to heatsinks.</p><p>&nbsp;</p><p>Typical applications include voltage regulation, overvoltage protection, and reference voltage sources in power supplies and industrial equipment. The 1N4554B is RoHS3 compliant and REACH unaffected, with an MSL rating of 1 (unlimited).</p>

<p>The 15KP78CA is a bidirectional transient voltage suppression (TVS) diode designed to protect sensitive electronics from high-energy transients. It offers a peak pulse power rating of 15000W (15kW) and a peak pulse current of 119A, making it suitable for robust surge protection applications.</p><p>&nbsp;</p><p>With a reverse standoff voltage of 126V, this device provides reliable clamping for systems operating in that voltage range. It is not intended for power line protection, as indicated by its general-purpose application designation.</p><p>&nbsp;</p><p>The component is housed in an axial through-hole package, compatible with standard axial leaded mounting. It operates over a wide temperature range from -55°C to 175°C, ensuring performance in harsh environments. The bidirectional configuration allows protection for both positive and negative transient events.</p>

<p>The 1N3317RB is a 50-watt Zener diode from Solid State Devices Inc (SSDI), designed for voltage regulation in high-power applications. It provides a nominal Zener voltage of 18V with a tolerance of ±5%. The device features a low maximum impedance of 2Ω and a forward voltage of 1.5V at 10A. Reverse leakage current is 5µA at 13.7V.</p><p>&nbsp;</p><p>This diode is housed in a hermetically sealed DO-203AB (DO-5) stud mount package, suitable for chassis mounting with adequate heat sinking. It operates over a junction temperature range of -65°C to +175°C. The R suffix indicates reverse polarity (cathode to case).</p><p>&nbsp;</p><p>Typical applications include voltage regulation in power supplies, industrial equipment, and military/aerospace systems where high reliability and power dissipation are required. The part is RoHS3 compliant and REACH unaffected.</p>

<p>The 1N3880R is a silicon fast recovery rectifier diode designed for high efficiency power conversion applications. It is rated for a repetitive peak reverse voltage of 100V and a continuous forward current of 6A. The diode features a fast reverse recovery time of 200ns, making it suitable for high-frequency switching circuits.</p><p>&nbsp;</p><p>With a forward voltage drop of 1.4V at 6A and a reverse current of 15µA at 25°C, the 1N3880R offers efficient operation. It can handle surge currents up to 90A (8.3ms half sine wave), providing robustness in transient conditions.</p><p>&nbsp;</p><p>The device is housed in a DO-203AA (DO-4) stud mount package with a 10-32 UNF thread. The stud is the anode for the 'R' (reverse polarity) version. The operating temperature range is -55°C to 150°C, with a thermal resistance of 2.5°C/W from junction to case.</p><p>&nbsp;</p><p>Typical applications include power supplies, inverters, motor controls, and freewheeling diodes where fast switching and high reliability are required.</p>