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Product Detailed Parameters
- Description：DIODE STANDARD 200V 1A R1
- Series：-
- Mfr：SMC Diode Solutions
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：200 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：1.25 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：35 ns
- Current - Reverse Leakage @ Vr：5 µA @ 400 V
- Capacitance @ Vr, F：30pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：R-1, Axial
- Supplier Device Package：R-1
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The 1E4G is a glass passivated ultra-fast recovery rectifier diode manufactured by SMC Diode Solutions. It features a maximum repetitive peak reverse voltage of 200 V and an average forward rectified current of 1 A. The device utilizes the R-1 axial through-hole package. Key electrical characteristics include a maximum reverse recovery time of 35 ns and a peak non-repetitive surge current capability of 30 A. The component operates within a junction temperature range of -65°C to 150°C.
Feature Summary
- Glass passivation provides mechanical strength and protection against moisture and chemical damage.
- Ultra-fast recovery characteristics enable high-speed switching performance with minimal reverse recovery charge.
- Axial leaded construction facilitates easy insertion into printed circuit boards for through-hole mounting.
Applications
- High-frequency switching power supplies
- Free-wheeling diodes in DC-DC converters
- Snubber circuits in inductive load switching
Procurement Notes
Verify the specific suffix 'G' indicates RoHS compliance when sourcing. Confirm the manufacturer is SMC Diode Solutions, as generic part numbers may exist across multiple vendors. Ensure the R-1 package dimensions match the target PCB footprint before finalizing procurement orders.
Selection Notes
Select this component for applications requiring fast switching speeds where standard rectifiers exhibit excessive reverse recovery losses. The 200 V rating suits low-voltage DC bus applications. Consider the 1 A current limit for power dissipation constraints in the chosen thermal environment.
Part Context
This diode belongs to the series of glass-passivated ultra-fast recovery rectifiers offered by SMC Diode Solutions. These components are designed to replace slower silicon rectifiers in modern high-efficiency power electronics, offering improved dynamic performance while maintaining robust mechanical reliability through axial packaging.
Replacement Considerations
Substitutes must match the 200 V reverse voltage, 1 A forward current, and approximately 35 ns reverse recovery time. Verify that alternative packages maintain compatible pin spacing for direct board replacement without layout modifications.
