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Product Detailed Parameters
- Description：DIODE STD 50V 850MA A SQMELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：50 V
- Current - Average Rectified (Io)：850mA
- Voltage - Forward (Vf) (Max) @ If：2.04 V @ 9.4 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：30 ns
- Current - Reverse Leakage @ Vr：1 µA @ 50 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, A
- Supplier Device Package：A, SQ-MELF
- Operating Temperature - Junction：-65°C ~ 155°C
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Overview
The Microchip Technology 1N6073US/TR is a surface-mount ultrafast recovery rectifier diode rated for 50V peak reverse voltage and 3.0A average forward current at 70°C case temperature. It utilizes a voidless hermetically sealed glass package (Package A/D-5A) with tungsten slugs and copper end caps featuring a tin/lead finish. The device exhibits a maximum reverse recovery time of 30ns, a peak forward surge current capability of 35A, and operates within a junction temperature range of -65°C to +155°C.
Feature Summary
- Voidless hermetically sealed glass construction with internal Category I metallurgical bonds
- Ultrafast recovery characteristics suitable for high-frequency switching applications
- Triple-layer passivation and inherently radiation-hardened design
Applications
- Military and high-reliability power systems
- Switching power supplies requiring fast switching and low forward loss
- Applications demanding high forward surge current capability
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm tape and reel packaging compliance. Ensure that the tin/lead termination finish aligns with project material specifications, as previous inventory variations existed. Confirm RoHS status and lead content requirements prior to procurement, as this component may not meet standard RoHS directives.
Selection Notes
Select this component for designs requiring robust surface-mount rectification in extreme environments. The Package A form factor provides a balance of thermal performance and compact footprint. Consider the 30ns reverse recovery time for high-speed circuits and verify that the 50V rating accommodates system voltage transients without exceeding the working peak reverse voltage limit.
Part Context
This part belongs to the 1N6073US through 1N6081US series of ultrafast recovery rectifiers manufactured by Microsemi, now part of Microchip Technology. The series offers various current ratings from 3A to 12A and voltage ratings from 50V to 150V across different surface mount packages. The US suffix specifically denotes the surface mount variant with voidless glass construction.
Replacement Considerations
Axial-leaded equivalents are available by removing the US suffix (e.g., 1N6073). Other series members like 1N6074US or 1N6075US offer higher voltage ratings but share similar physical dimensions.
