Solid State Devices Inc (SSDI)

<p>The 1N3880 is a silicon fast recovery rectifier diode designed for high-efficiency power conversion applications. It is rated for a peak repetitive reverse voltage of 100V and a continuous forward current of 6A at case temperatures up to 100°C. The forward voltage drop is typically 1.4V at 6A.</p><p>&nbsp;</p><p>With a reverse recovery time of 200ns, this diode is suitable for high-frequency switching circuits such as power supplies, inverters, and freewheeling diodes. It can withstand surge currents up to 90A (8.3ms half sine wave) and operates over a junction temperature range of -55°C to 150°C.</p><p>&nbsp;</p><p>The device is packaged in a DO-4 (DO-203AA) stud mount package with standard polarity (stud is cathode). The thermal resistance from junction to case is 2.5°C/W, allowing efficient heat sinking in high-power designs.</p>

<p>The 1N3350B is a high-power Zener diode designed for voltage regulation applications. It offers a nominal Zener voltage of 200V with a ±5% tolerance and can dissipate up to 50W of power when properly mounted with adequate heat sinking. The device is housed in a hermetically sealed DO-5 (DO-203AB) stud mount package, ensuring robust mechanical and environmental performance.</p><p>&nbsp;</p><p>Electrical characteristics include a Zener impedance (Zzt) of 100Ω, a reverse leakage current of 5µA at 152V, and a forward voltage of 1.5V at 10A. The junction and storage temperature range is -65°C to +175°C, with a thermal resistance (junction to case) of 2.0°C/W maximum.</p><p>&nbsp;</p><p>This diode is suitable for use in power supplies, voltage reference circuits, and transient protection. The stud mount design allows for secure attachment to heat sinks, making it ideal for high-current, high-temperature environments.</p>

<p>The 1N4550B is a Zener diode from Solid State Devices Inc designed for voltage regulation applications. It offers a nominal Zener voltage of 4.3V with a tolerance of ±10% and a maximum power dissipation of 50W. The diode features a low impedance of 0.16Ω and a forward voltage of 1.5V at 10A. Reverse leakage current is 150µA at 500mV. The device is housed in a DO-203AB (DO-5) stud mount package, suitable for high-power through-hole mounting. It operates over a wide temperature range of -65°C to 175°C, making it suitable for harsh environments. Typical applications include voltage clamping, overvoltage protection, and reference voltage generation in power supplies and industrial equipment.</p>

<p>The 1N2979B is a 15V Zener diode rated for 10W power dissipation. It features a low impedance of 3Ω and a reverse leakage current of 5µA at 11.4V. The forward voltage is 1.5V at 2A. This diode is housed in a DO-203AA (DO-4) stud mount package with 10-32 threaded terminals, suitable for chassis mounting. It operates over a junction temperature range of -65°C to +175°C and has a thermal resistance of 12°C/W junction-to-case. The device is designed for voltage regulation applications requiring stable performance over a broad current and temperature range.</p>

<p>The BZY93C18 is a Zener diode from Solid State Devices Inc (SSDI) designed for voltage regulation and protection applications. It features a nominal Zener voltage of 18V with a tolerance of ±6.39%, a maximum power dissipation of 20W, and a maximum impedance of 1.5Ω. The device has a maximum reverse leakage current of 50µA at 12V and can operate at a junction temperature up to 175°C.</p><p>&nbsp;</p><p>This diode is housed in a DO-203AA (DO-4) stud mount package, which provides robust mechanical mounting and efficient heat dissipation for high-power applications. The stud mount design allows for secure attachment to a heatsink, making it suitable for industrial and power supply circuits where reliable voltage clamping is required.</p><p>&nbsp;</p><p>Typical applications include voltage regulation, overvoltage protection, and reference voltage generation in power supplies, motor drives, and other high-current circuits. The combination of high power rating and low impedance ensures stable operation under varying load conditions.</p>

<p>The BZY93C15R is a 15V Zener diode from Solid State Devices Inc, designed for high power applications requiring a stable voltage reference. It has a power dissipation rating of 20W, making it suitable for circuits that need to handle significant power. The Zener voltage is specified at 15V with a tolerance of ±6%, and the maximum Zener impedance is 1.2Ω, ensuring low dynamic resistance for improved regulation.</p><p>&nbsp;</p><p>This diode is packaged in a stud mount DO-4 (DO-203AA) case, which allows for efficient heat sinking in high power designs. The operating junction temperature extends to 175°C, providing a wide thermal margin. Reverse leakage current is 50µA at a reverse voltage of 10V, offering good blocking performance.</p><p>&nbsp;</p><p>Typical applications include voltage regulation, overvoltage clamping, and surge protection in power supplies, industrial equipment, and automotive systems. The stud mount configuration facilitates easy mounting on heat sinks or chassis for thermal management.</p>

<p>The BZY93C20 is a Zener diode designed for voltage regulation applications. It offers a nominal Zener voltage of 20V with ±6% tolerance, ensuring accurate voltage reference. With a maximum power dissipation of 20W, it can handle significant power loads. The diode features a low dynamic impedance of 1.5Ω, improving regulation performance. It has a reverse leakage current of 50µA at 13V. The operating junction temperature range is up to 175°C. Mounting is stud mount, and the package is DO-203AA/DO-4, suitable for robust mounting on heat sinks.</p>

<p>The 1N5643A is a unidirectional transient voltage suppressor (TVS) diode manufactured by Solid State Devices Inc (SSDI). It is rated for 1500W peak pulse power at 10/1000µs waveform, with a working voltage (V_RWM) of 37.5V and a peak pulse current capability of 40A. This device is designed for general-purpose transient overvoltage protection across a wide range of electronic circuits.</p><p>&nbsp;</p><p>The 1N5643A features a single unidirectional channel and does not include power line protection. It operates over a temperature range of -65°C to 175°C, making it suitable for harsh environments. The diode's response is fast, clamping transients within picoseconds.</p><p>&nbsp;</p><p>Packaged in a hermetic sealed DO-13 (DO-202AA) metal case, the 1N5643A supports through-hole mounting with axial leads. This package provides robust mechanical and environmental protection, ideal for high-reliability applications. The axial lead style facilitates easy insertion into PCBs or point-to-point wiring.</p>