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Product Detailed Parameters
- Description：DIODE STANDARD 1000V 3A D5B
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：1000 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：1.3 V @ 9 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：2 µs
- Current - Reverse Leakage @ Vr：1 µA @ 1000 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, E
- Supplier Device Package：D-5B
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The Microchip Technology 1N5554US/TR is a single standard recovery rectifier designed for surface-mount applications. It features a maximum repetitive peak reverse voltage of 1 kV and an average forward rectified current of 9 A. The device exhibits a low forward voltage drop of 1.2 V at 9 A and a maximum reverse leakage current of 1 uA at 1000 V. With a typical reverse recovery time of 2 us, it supports high-temperature operation from -65 C to +175 C. The component is housed in a D-5B-2 package and can withstand a maximum surge current of 100 A.
Feature Summary
- Surface-mount construction utilizing the D-5B-2 package for automated assembly integration
- High thermal stability enabling reliable operation across extended temperature ranges up to 175 C
- Standard recovery characteristics optimized for general-purpose rectification tasks
Applications
- General-purpose power supply rectification circuits
- Industrial control system power modules
- Automotive electronics requiring high-temperature reliability
Procurement Notes
Verify the specific datasheet revision and manufacturing origin before procurement, as Microchip sources components from various global facilities. Confirm that the D-5B-2 package dimensions align with your PCB footprint requirements. Ensure compliance with non-RoHS standards if applicable to your project specifications. Check for any recent product change notifications regarding material composition or testing procedures.
Selection Notes
Select this component when a surface-mount solution is required for high-voltage rectification. The 1 kV rating provides sufficient margin for many industrial applications. Compare the 9 A continuous current capability against your circuit's peak load demands. Consider the 2 us recovery time suitability for your switching frequency constraints relative to faster recovery alternatives.
Part Context
This part belongs to the 1N55xx series of axial and surface-mount rectifiers manufactured by Microchip Technology. The US suffix indicates the surface-mount variant, distinguishing it from the through-hole 1N5554 model. The series is widely recognized for its robustness in military and aerospace-grade applications, offering consistent performance under harsh environmental conditions.
Replacement Considerations
The 1N5554US is a direct equivalent for the through-hole 1N5554, though package differences require PCB redesign. Verify electrical parameters match exactly when substituting with other manufacturers' 1N5554 equivalents.
