1N4977US/TR

$7.56

Description：DIODE ZENER 62V 5W E-MELF
Series：-
Mfr：Microchip Technology
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:72d1a466d95e Category: Single Zener Diodes Brand: Microchip Technology

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

1N4977US/TR is listed in the Single Zener Diodes range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is DIODE ZENER 62V 5W E-MELF. Review the specifications below when checking this part for your BOM.

Single Zener Diodes specifications for 1N4977US/TR

Description：DIODE ZENER 62V 5W E-MELF
Series：-
Mfr：Microchip Technology
Package：Tape & Reel (TR),Cut Tape (CT)
Voltage - Zener (Nom) (Vz)：62 V
Tolerance：±5%
Power - Max：5 W
Impedance (Max) (Zzt)：42 Ohms
Current - Reverse Leakage @ Vr：2 µA @ 47.1 V
Operating Temperature：-65°C ~ 175°C (TJ)
Mounting Type：Surface Mount
Package / Case：SQ-MELF, E
Voltage - Forward (Vf) (Max) @ If：1.5 V @ 1 A
Grade：-
Qualification：-

Single Zener Diodes datasheet and documents for 1N4977US/TR

1N4977US/TR

Single Zener Diodes Overview

The Microchip Technology 1N4977US/TR is a surface mount Zener voltage regulator with a nominal breakdown voltage of 62 V and a maximum power dissipation of 5 W. It operates within a junction temperature range of -65°C to +175°C. The device features a dynamic impedance of 42 Ohms at the test current of 20 mA, with a maximum reverse leakage current of 2 µA at 47.1 V. Standard tolerance is ±5%, while tighter tolerances are available via suffixes.

Single Zener Diodes Feature Summary

Hermetically sealed voidless glass package construction
Military qualification per MIL-PRF-19500/356
Internal metallurgical bonds for enhanced reliability
Radiation hard design

Single Zener Diodes Applications

High-reliability aerospace systems
Defense electronics requiring failure-intolerant components
Harsh environment industrial regulation

Single Zener Diodes Procurement Notes

Verify military qualification status and specific tolerance suffix requirements against MIL-PRF-19500/356 standards. Confirm tape and reel packaging compliance with EIA-481-B specifications. Ensure compatibility with hermetic sealing requirements for the target application environment.

Single Zener Diodes Selection Notes

Select this component for applications demanding high thermal stability and radiation hardness. The 5 W rating supports robust voltage regulation in compact surface mount layouts. Consider tighter tolerance variants if precise voltage control is critical.

Single Zener Diodes Part Context

Part of the 1N4954US through 1N4996US series of 5 Watt Zener Voltage Regulators. Manufactured by Microsemi Scottsdale Division, now part of Microchip Technology. Designed for industries where standard commercial components are insufficient due to environmental or reliability constraints.