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Product Detailed Parameters
- Description：DIODE STANDARD 135V 1A D5A
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：135 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 @ 125 V
- Capacitance @ Vr, F：25pF @ 10V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, A
- Supplier Device Package：D-5A
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The Microchip Technology 1N5805US is a fast recovery rectifier diode designed for surface-mount applications. It features a single configuration within the SQ SMT package, specifically Package-B-2. The device supports a maximum repetitive peak reverse voltage of 50 V and conducts a continuous forward current of 3 A. Key electrical characteristics include a low forward voltage drop of 950 mV at rated current and a rapid reverse recovery time of 35 ns. The component operates reliably across an extended temperature range from -65 °C to +175 °C, with a specified maximum surge current capability of 125 A.
Feature Summary
- Fast recovery performance suitable for high-frequency switching applications
- Low forward voltage drop for improved power efficiency
- Extended thermal stability for demanding operating environments
Applications
- High-frequency DC-DC converters
- Free-wheeling rectification in power supplies
- Reverse polarity protection circuits
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status as indicated in the datasheet before procurement. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability.
Selection Notes
Select this component when a surface-mount fast recovery diode is required for moderate current levels up to 3 A. Ensure the circuit design accommodates the 50 V reverse voltage rating and the thermal dissipation requirements associated with the SQ SMT package. Verify that the 35 ns recovery time meets the switching frequency demands of the application.
Part Context
This component belongs to the Microchip Technology rectifier family, utilizing standard JEDEC numbering conventions adapted for surface-mount technology. It serves as a solid-state alternative to through-hole variants, offering comparable electrical performance in a compact footprint suitable for automated assembly processes.
Replacement Considerations
Consult official Microchip substitution guides for verified equivalents. Generic replacements must match the 3 A current rating, 50 V reverse voltage, and fast recovery characteristics.
