The 1N5344B-1N5388B is a 5W Zener diode with a voltage range of 8.2V-200V. It has high surge capability and high reliability.
The 1N5344B‑1N5388B series are 5 W Zener diodes covering a voltage range from 8.2 V to 200 V. They feature glass‑passivated junctions, high surge capability, and a ±5 % voltage tolerance on nominal voltage. The devices are supplied in molded‑plastic over glass‑passivated packages with solderable leads.
Mechanical data include a case height of 3.30 mm, lead spacing of 2.54 mm, and an approximate weight of 1.2 g. Maximum ratings specify a DC power dissipation of 5.0 W, power derating above 75 °C, and an operating temperature range of –55 °C to +175 °C. Electrical characteristics such as Zener voltage, test current, impedance and regulation are listed for each part number.
| Voltage Range | 8.2 V – 200 V |
|---|---|
| Power Rating | 5 W steady‑state |
| Voltage Tolerance | ±5 % |
The series covers Zener voltages from 8.2 V up to 200 V.
Each device is rated for 5 W steady‑state power dissipation.
The nominal voltage tolerance is ±5 %.