1N485A

$3.10

Description：DIODE STANDARD 180V 100MA DO7
Series：-
Mfr：Microchip Technology
Package：Bulk

SKU:8c1f931a5513 Category: Single Diodes Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：DIODE STANDARD 180V 100MA DO7
Series：-
Mfr：Microchip Technology
Package：Bulk
Technology：Standard
Voltage - DC Reverse (Vr) (Max)：180 V
Current - Average Rectified (Io)：100mA
Voltage - Forward (Vf) (Max) @ If：1 V @ 100 mA
Speed：Small Signal =< 200mA (Io), Any Speed
Reverse Recovery Time (trr)：-
Current - Reverse Leakage @ Vr：25 nA @ 180 V
Capacitance @ Vr, F：-
Mounting Type：Through Hole
Package / Case：DO-204AA, DO-7, Axial
Supplier Device Package：DO-7
Operating Temperature - Junction：-65°C ~ 175°C

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1N485A

Overview

The Microchip Technology 1N485A is a hermetically sealed switching diode housed in a DO-7 glass package. It features a maximum DC reverse voltage of 180 V and supports a surge current of 2 A for 8.3 ms. The device operates within a temperature range of -65°C to +175°C, with a total power dissipation of 500 mW at 25°C. Forward voltage ranges from 0.8 V to 1.0 V at 100 mA and 25°C.

Feature Summary

Hermetically sealed metallurgically bonded construction
Double plug design for reliability
Blue body coat with black digit marking

Applications

Signal processing circuits
Computer logic applications
High-reliability switching environments

Procurement Notes

Verify the specific ordering suffix against official datasheets to confirm exact qualification levels and packaging options. Confirm that the component meets required environmental standards for your application. Ensure lead material and finish specifications align with assembly processes. Check availability status directly with the manufacturer or authorized distributors before finalizing procurement plans.

Selection Notes

Select this component when high reliability and hermetic sealing are required for switching applications. Consider the DO-7 package constraints and thermal derating factors for power dissipation. Evaluate the operating temperature range and surge current capabilities against circuit demands. Verify compatibility with existing board layouts and mounting requirements.

Part Context

This part belongs to the 1N485 series of switching diodes manufactured by Microchip Technology. It shares design characteristics with variants like the 1N485B, which offers additional qualification levels. The series is designed for robust performance in demanding electronic environments.

Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout and electrical parameters match exactly. Ensure replacement parts meet the same hermetic sealing and radiation hardness requirements if applicable.