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Product Detailed Parameters
- Description：BRIDGE RECT 1P 400V 10A MODULE
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Diode Type：Single Phase
- Technology：Standard
- Voltage - Peak Reverse (Max)：400 V
- Current - Average Rectified (Io)：10:00 AM
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 10 A
- Current - Reverse Leakage @ Vr：10 µA @ 400 V
- Operating Temperature：-65°C ~ 160°C (TA)
- Mounting Type：Chassis, Stud Mount
- Package / Case：Module
- Supplier Device Package：Module
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N4437FT is a single-phase silicon bridge rectifier diode designed for high-temperature industrial applications. It features an avalanche-rated construction with a maximum repetitive peak reverse voltage of 400V and a continuous output current of 10A. The device utilizes a press-fit mounting form factor, allowing for secure mechanical attachment without traditional soldering of the main terminals. It operates within a temperature range of -65°C to +160°C and exhibits a maximum forward voltage drop of 1.2V at rated current.
Feature Summary
- Avalanche-rated capability for robust performance under transient conditions
- Press-fit terminal configuration for reliable mechanical installation
- High thermal stability supporting operation up to 160°C
Applications
- Industrial power supply units requiring high reliability
- Automotive electronics systems operating in harsh environments
- General-purpose rectification in high-temperature circuits
Procurement Notes
Verify the specific suffix 'F' or 'FT' against the manufacturer's official datasheet to confirm the exact package variant and termination style. Ensure that the press-fit requirement aligns with the target PCB design specifications before procurement.
Selection Notes
Select this component when a 10A single-phase bridge rectifier with 400V blocking capability is required in a press-fit module format. Consider the 1.2V forward voltage drop for thermal management calculations and verify compatibility with the -65°C to 160°C operating temperature range.
Part Context
This part belongs to the standard 1N44xx series of bridge rectifiers manufactured by Microchip Technology (formerly Microsemi). These components are widely used in general-purpose power conversion applications where ruggedness and high-temperature operation are critical requirements.
Replacement Considerations
Cross-reference with other 10A 400V bridge rectifiers in press-fit modules from manufacturers such as Vishay or Littelfuse. Verify pinout compatibility and thermal characteristics before substitution.
