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Product Detailed Parameters
- Description：DIODE STD 220V 1.75A B SQMELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：220 V
- Current - Average Rectified (Io)：1.75A
- Voltage - Forward (Vf) (Max) @ If：1.35 V @ 2 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：45 ns
- Current - Reverse Leakage @ Vr：2 µA @ 220 V
- Capacitance @ Vr, F：40pF @ 10V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, B
- Supplier Device Package：B, SQ-MELF
- Operating Temperature - Junction：-65°C ~ 150°C
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Overview
The 1N6626U/TR is an ultra-fast recovery rectifier manufactured by Microchip Technology. It features a single configuration with a maximum repetitive peak reverse voltage of 220 V and an average forward rectified current of 4 A. The device exhibits a typical forward voltage drop of 1.5 V and a maximum reverse leakage current of 2 uA. Its ultra-fast recovery time is specified at 45 ns, supporting high-frequency switching applications. The component supports a maximum surge current of 75 A and operates within a junction temperature range from -65 C to +150 C.
Feature Summary
- Ultra-fast recovery characteristics designed for efficient high-frequency switching operations
- Robust thermal performance allowing operation up to a maximum junction temperature of 150 C
- High surge current capability to withstand transient electrical loads
Applications
- Switching power supplies requiring fast recovery times
- High-frequency inverter circuits
- Free-wheeling diode applications in power conversion systems
Procurement Notes
Verify the specific suffix and package type against official Microchip documentation before procurement. Confirm that the requested variant matches the required voltage and current ratings for the target application. Check for any recent product change notices or manufacturing updates that may affect specifications or availability. Ensure compliance with relevant environmental standards if required by the end-use industry.
Selection Notes
Select this component when an ultra-fast recovery rectifier is needed for high-frequency applications. The 4 A current rating and 220 V blocking voltage define its operational limits. Consider the 45 ns recovery time for minimizing switching losses. Evaluate the thermal resistance and operating temperature range to ensure adequate heat dissipation in the final design.
Part Context
This part belongs to the 1N6626 series of ultra-fast recovery rectifiers produced by Microchip Technology. The series offers various voltage ratings and configurations to suit different power electronics requirements. The 1N6626U/TR specifically denotes the ultra-fast variant with tape-and-reel packaging for automated assembly processes.
Replacement Considerations
Consult official Microchip substitution guides for verified alternatives. Cross-reference parameters such as recovery time, forward voltage, and package dimensions to ensure compatibility.
