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1N4935
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Product Detailed Parameters
- Description：DIODE STANDARD 200V 1A DO204AC
- Series：-
- Mfr：Diotec Semiconductor
- Package：Cut Tape (CT),Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：200 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：200 ns
- Current - Reverse Leakage @ Vr：5 µA @ 200 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-204AC, DO-41, Axial
- Supplier Device Package：DO-204AC (DO-41)
- Operating Temperature - Junction：-50°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The Diotec Semiconductor 1N4935 is a fast recovery rectifier diode designed for general-purpose switching applications. It features a single silicon junction housed in a DO-41 (DO-204AL) plastic package with an isolated cathode lead. The device supports a maximum average forward rectified current of 1 A and a repetitive peak reverse voltage of 200 V. Key electrical characteristics include a maximum non-repetitive peak forward surge current of 30 A, a maximum forward voltage drop of 1.2 V, and a typical reverse leakage current of 5 µA. The component operates within a temperature range of -55 °C to +150 °C junction temperature.
Feature Summary
- Fast switching capability optimized for high-efficiency power conversion
- Low forward voltage drop to minimize conduction losses
- Low leakage current ensuring stable performance under reverse bias
- High forward surge current capability for robust transient protection
Applications
- Fast switching rectification in power supply circuits
- Inverter and converter topologies
- Freewheeling diodes in consumer electronics
- General-purpose signal rectification
Procurement Notes
Verify the manufacturer source carefully as Diotec may not list this specific legacy part number in all current catalogs. Confirm RoHS compliance status and package variant (DO-41) against the specific datasheet provided by the supplier. Ensure the replacement matches the original 200V rating and 1A current capacity for circuit compatibility.
Selection Notes
Select this component when a standard fast recovery rectifier is required for low-to-medium power applications. The 200V rating suits lower voltage DC systems, while the 1A current handling fits moderate load requirements. Consider thermal management for junction temperatures exceeding ambient limits in enclosed designs.
Part Context
The 1N4935 belongs to the widely recognized 1N49xx series of glass-passivated fast recovery rectifiers. This series is standardized across multiple manufacturers, offering interchangeable pinouts and electrical profiles. The DO-41 package provides reliable through-hole mounting for PCB assembly in industrial and consumer equipment.
Replacement Considerations
Compatible substitutes include Vishay 1N4935, Rectron 1N4935, and Sensitron 1N4935-GT3. Verify that replacements maintain the 200V reverse voltage and 1A forward current ratings.
