1N5357B_R2_00001

Overview

The 1N5357B_R2_00001 is a silicon Zener diode from the 1N5338B series manufactured by Panjit International Inc. It features a nominal Zener voltage of 20V with a tolerance range of 19V to 21V. The device provides a maximum DC power dissipation of 5 Watts at 75°C and operates within a junction temperature range of -55°C to +150°C. Electrical characteristics include a maximum Zener impedance (ZZT) of 3 Ohms at IZT of 65mA, and a maximum leakage current of 0.5µA at VR of 15.2V. The component utilizes a JEDEC DO-201AE molded plastic case with axial leads.

Feature Summary

• Low inductance design for stable performance
• Typical reverse leakage current below 1µA above 13V
• Plastic package meets UL flammability classification 94V-0
• Lead-free construction compliant with EU RoHS 2.0 directives

Applications

• Voltage regulation circuits
• Overvoltage protection systems
• Reference voltage generation

Procurement Notes

Verify the specific ordering suffix R2_00001 against official documentation to confirm packaging details. The suffix indicates Tape and Reel packing on a 13-inch reel with RoHS compliance. Ensure compatibility with automated assembly equipment specifications before procurement.

Selection Notes

Select this component when a 5W power rating and 20V nominal breakdown are required. Verify that the DO-201AE axial leaded package fits the mechanical constraints. Confirm thermal management requirements align with the 40mW/°C derating curve above 75°C ambient temperature.

Part Context

This part belongs to the 1N5338B series of 5 Watt Silicon Zener Diodes. The series covers a wide voltage range from 5.1V to 51V. All parts share common mechanical data including solderable terminals per MIL-STD-750 Method 2026 and color band cathode marking.

Replacement Considerations

Compatible substitutes within the same series include 1N5356B and 1N5358B. These alternatives offer similar 5W ratings and DO-201AE packages but differ in nominal Zener voltage. Verify electrical parameters match circuit requirements before substitution.

FAQ

What is the maximum Zener impedance for the 1N5357B?

The maximum Zener impedance (ZZT) is 3 Ohms, measured at a test current (IZT) of 65mA.

How is polarity indicated on the component?

Polarity is marked by a color band on the package body, which denotes the cathode end.