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Product Detailed Parameters
- Description：DIODE STANDARD 1000V 1.4A EMELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：1000 V
- Current - Average Rectified (Io)：1.4A
- Voltage - Forward (Vf) (Max) @ If：1.6 V @ 1.4 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：60 ns
- Current - Reverse Leakage @ Vr：4 µA @ 1000 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, B
- Supplier Device Package：E-MELF
- Operating Temperature - Junction：-65°C ~ 150°C
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Overview
The Microchip Technology 1N6631U/TR is a single ultra-fast recovery rectifier designed for surface-mount applications. It features a reverse voltage rating of 1.1 kV and an average forward current capacity of 4 A. The device exhibits a maximum forward voltage drop of 1.6 V and a reverse leakage current of 4 uA. Its ultra-fast recovery time is specified at 80 ns, supporting high-frequency switching operations. The component operates within a temperature range of -65 C to +150 C and utilizes the E package.
Feature Summary
- Ultra-fast recovery characteristics enable efficient high-frequency rectification with minimal switching losses.
- High thermal stability supports reliable operation in extreme ambient temperatures up to +150 C.
- Robust surge current handling capability ensures protection against transient electrical overloads.
Applications
- High-voltage DC-DC converter circuits
- Switch-mode power supply (SMPS) output rectification
- Industrial motor drive freewheeling paths
Procurement Notes
Verify the specific suffix 'TR' indicates tape-and-reel packaging configuration during procurement. Confirm that the JANTX or standard commercial grade matches the required radiation tolerance or reliability standards for the target application environment. Ensure the E package footprint aligns with the PCB design constraints before finalizing orders.
Selection Notes
Select this component when a single-phase rectifier requires both high blocking voltage and fast switching speeds. The 1.1 kV rating suits medium-to-high voltage isolation requirements. Compare the 80 ns recovery time against slower alternatives if minimizing reverse recovery charge is critical for electromagnetic interference reduction in sensitive control loops.
Part Context
This part belongs to the 1N66xx series of ultra-fast recovery rectifiers manufactured by Microchip Technology. It serves as a surface-mount alternative to through-hole variants, offering similar electrical performance in a compact form factor suitable for automated assembly processes in modern electronic manufacturing.
Replacement Considerations
Consult official substitution lists for equivalent ultra-fast recovery rectifiers with matching 1.1 kV ratings. Verify pinout compatibility and thermal dissipation characteristics before replacing with generic equivalents from other manufacturers.
