1N5355B/TR12

Overview

The Microchip Technology 1N5355B/TR12 is a silicon 5-watt Zener diode with an 18 V nominal voltage and ±5% tolerance. It operates in the -65°C to +150°C range, features a T-18 axial lead package, and includes TR12 tape-and-reel packaging.

Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Withstands high surge stresses and exhibits minimal voltage change versus current
• Features flexible axial-lead mounting terminals for through-hole integration

Applications

• Voltage regulation circuits requiring 5 W power dissipation
• High surge stress environments
• Broad operating temperature applications

Procurement Notes

Verify the component status as discontinued or end-of-life before procurement planning. Confirm that the specific suffixes match the required JEDEC registration and RoHS compliance standards. Ensure the tape-and-reel quantity aligns with manufacturing requirements.

Selection Notes

Select this component for applications needing 18 V regulation at 5 W. The B suffix ensures a tight ±5% tolerance. Verify thermal management capabilities are sufficient for the specified junction-to-lead thermal resistance under steady-state conditions.

Part Context

This part belongs to the 1N5333B through 1N5388B series of JEDEC registered silicon Zener diodes. These devices offer a wide selection from 3.3 V to 200 V with various tolerance options identified by suffix letters.

Replacement Considerations

Consult official datasheets for direct equivalents within the 1N5333-5388B series. Verify pinout compatibility and thermal characteristics when substituting.