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Product Detailed Parameters
- Description：DIODE STANDARD 100V 1A A SQMELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：100 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：875 mV @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：25 ns
- Current - Reverse Leakage @ Vr：1 µA @ 100 V
- Capacitance @ Vr, F：25pF @ 10V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, A
- Supplier Device Package：A, SQ-MELF
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The Microchip Technology 1N5804URS/TR is a military-qualified ultrafast recovery glass rectifier. It features a working peak reverse voltage of 100 V and an average rectified output current of 2.5 A at 75°C case temperature. The device exhibits a maximum reverse recovery time of 25 ns and a forward surge current capability of 35 A. Operating temperatures range from -65°C to +175°C. It utilizes a voidless hermetically sealed glass package with one square and one round end cap.
Feature Summary
- Military qualified per MIL-PRF-19500/477 for high-reliability applications
- Voidless hermetically sealed glass construction with internal metallurgical bonds
- Ultrafast recovery characteristics suitable for fast switching requirements
Applications
- Military systems requiring failure-intolerant components
- Space electronics and aerospace equipment
- Switching power supplies demanding low forward loss
Procurement Notes
Verify the specific qualification level (JAN, JANTX, JANTXV, or JANS) required by the design specification before procurement. Confirm that the URS package configuration matches the intended PCB footprint. Ensure compliance with environmental directives if RoHS status is mandatory for the project.
Selection Notes
Select this component when ultrafast recovery speed is critical alongside high reliability standards. Evaluate thermal management requirements against the specified junction-to-end cap thermal resistance. Consider the radiation hardness inherent in the glass construction for environments susceptible to ionizing radiation effects.
Part Context
This part belongs to the 1N5802US, 1N5804US, and 1N5806US series of ultrafast recovery rectifiers. The URS designation indicates a specific surface mount MELF package variant with mixed end cap geometries. These devices are designed as industry-standard equivalents for commercial diodes but offer enhanced durability through hermetic sealing.
Replacement Considerations
Direct replacements include JAN1N5804US, JANTX1N5804US, and JANTXV1N5804US. Verify that substitute parts maintain the same URS package dimensions and electrical ratings to ensure mechanical and functional compatibility.
