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Product Detailed Parameters
- Description：DIODE STANDARD 150V 1A A SQMELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：150 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 @ 150 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 1N5806URS/TR is a military-qualified ultrafast recovery glass rectifier. It features a working peak reverse voltage of 150 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 extremely fast switching
- Inherently radiation hard
Applications
- Military systems
- Space applications
- Switching power supplies requiring low forward loss
Procurement Notes
Verify the specific qualification level (JAN, JANTX, JANTXV, or JANS) required for your application, as the base part number covers multiple reliability grades. Confirm RoHS compliance status, noting that compliant versions are available only in commercial grade. Ensure the URS package configuration matches your PCB pad layout requirements before finalizing procurement.
Selection Notes
Select this component when high reliability and radiation hardness are critical. The 150 V rating suits applications needing moderate reverse voltage blocking. Consider thermal management carefully, as the 2.5 A rating depends on case temperature control. Verify that the 25 ns recovery time meets the switching speed requirements of the target circuit design.
Part Context
This device belongs to the 1N5802US, 1N5804US, and 1N5806US series of ultrafast recovery rectifiers. The URS designation indicates a specific surface mount package variant with mixed end cap shapes. These devices serve as JEDEC registered equivalents to standard through-hole diodes but offer superior performance for surface mount assembly processes.
Replacement Considerations
Direct replacements include JAN1N5806US, JANTX1N5806US, and JANS1N5806US if different qualification levels are acceptable. Commercial equivalents like 1N5806USe3/TR share electrical specifications but lack military qualification.
