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Product Detailed Parameters
- Description：DIODE STANDARD 500V 3A B SQMELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：500 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 9 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：250 ns
- Current - Reverse Leakage @ Vr：1 µA @ 500 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, B
- Supplier Device Package：B, SQ-MELF
- Operating Temperature - Junction：-65°C ~ 175°C
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Overview
The Microchip Technology 1N5419/TR is a fast recovery rectifier designed for through-hole mounting in the B-Package-2 configuration. It supports a maximum repetitive peak reverse voltage of 500 V and an average forward rectified current of 3 A. The device exhibits a maximum forward voltage drop of 1.5 V at rated current and maintains a low reverse leakage current of 1 uA. Its fast recovery characteristic is defined by a maximum recovery time of 250 ns, with a peak non-repetitive surge current capability of 80 A. The component operates reliably within a junction temperature range from -65 °C to +175 °C.
Feature Summary
- Fast recovery performance suitable for high-frequency switching applications
- High thermal stability enabling operation up to +175 °C
- Robust surge current handling capacity for transient protection
Applications
- General-purpose rectification in power supply circuits
- Freewheeling diodes in inductive load switching
- DC-AC conversion stages requiring fast recovery characteristics
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with RoHS directives if required by your system design. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before procurement.
Selection Notes
Select this component when a through-hole fast recovery rectifier with 500 V blocking voltage and 3 A continuous current rating is required. Consider the 250 ns recovery time for frequency constraints and the wide operating temperature range for harsh environments. Compare against similar series parts like JAN1N5415 or JAN1N5417 if different voltage ratings are needed.
Part Context
This part belongs to the standard 1N54xx series of fast recovery rectifiers manufactured by Microchip Technology. It shares the same physical footprint and electrical current capabilities as other members of the series but is distinguished by its specific 500 V reverse voltage rating. The 'TR' suffix indicates it is supplied in a tape and reel format for automated assembly processes.
Replacement Considerations
Direct replacements include JAN1N5419/TR for military-grade equivalents. Other 1N5419 variants from different manufacturers may be compatible if they meet the 500 V, 3 A, and 250 ns recovery specifications. Verify pinout and package dimensions match the B-Package-2 form factor.
