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Product Detailed Parameters
- Description：DIODE STANDARD 150V 3A B AXIAL
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：150 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：875 mV @ 4 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：30 ns
- Current - Reverse Leakage @ Vr：5 µA @ 150 V
- Capacitance @ Vr, F：60pF @ 10V, 1MHz
- Mounting Type：Through Hole
- Package / Case：B, Axial
- Supplier Device Package：B, Axial
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The Microchip Technology 1N5811 is a single silicon rectifier diode designed for high-reliability applications. It features a maximum repetitive peak reverse voltage of 150 V and an average forward current rating of 6 A. The device exhibits a typical forward voltage of 875 mV at rated current and supports a non-repetitive peak forward surge current of 125 A. Reverse leakage current is specified at 5 uA, with a fast recovery time of 30 ns. Operating temperatures range from -65 °C to +175 °C.
Feature Summary
- Ultrafast recovery characteristics suitable for high-frequency switching applications
- Hermetically sealed void-less glass construction for enhanced reliability
- High thermal conductivity materials supporting operation up to 175 °C junction temperature
Applications
- Switching mode power supplies
- High frequency DC-to-DC converters
- Low voltage step-down chopper drives
- Secondary rectification circuits
- Free wheeling diode applications
Procurement Notes
Verify the specific manufacturer designation, as Gulf Semiconductor also produces a component with this part number. Confirm package type (MELF or DO-41) and qualification level (commercial vs. military) against project requirements. Ensure datasheet parameters match design constraints before procurement.
Selection Notes
Select this component for designs requiring ultrafast recovery times and high thermal stability. The 150 V reverse voltage rating suits low-voltage AC/DC conversion. Verify that the 6 A current rating meets load demands without excessive derating. Consider radiation hardness if operating in space environments.
Part Context
This component belongs to the 1N58xx series of ultrafast recovery glass rectifiers. It shares family traits such as hermetic sealing and planar technology but differs in specific voltage and current ratings compared to siblings like the 1N5807 or 1N5809. The 1N5811 specifically targets the 150 V reverse voltage segment within this lineup.
Replacement Considerations
JAN1N5811/TR and JANS1N5811/TR are confirmed qualified substitutes offering similar electrical specifications with additional military or aerospace qualification levels.
