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1N4936 BK TIN/LEAD
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Product Detailed Parameters
- Description：1A 400V TH RECTIFIER-FAST RECOVE
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Box
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 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 @ 400 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-41
- Operating Temperature - Junction：-
- Grade：-
- Qualification：-
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Overview
The Central Semiconductor Corp 1N4936 BK TIN/LEAD is a silicon fast recovery rectifier diode designed for through-hole mounting in the DO-41 package. It features a maximum repetitive peak reverse voltage of 400 V and a continuous forward current rating of 1 A. The device exhibits a low leakage current of 5 uA and a fast recovery time of 150 ns, with a maximum forward voltage drop of 1.2 V at rated current. It supports a peak non-repetitive forward surge current of 30 A and operates within a junction temperature range of -50°C to +150°C.
Feature Summary
- Fast recovery characteristics suitable for high-speed switching applications
- Low leakage current ensuring minimal power loss in reverse bias
- Robust construction capable of handling high surge currents
Applications
- High-frequency rectification circuits
- Free-wheeling diodes in inductive load protection
- General-purpose fast switching applications
Procurement Notes
Verify the specific ordering suffix 'BK TIN/LEAD' against the manufacturer's official datasheet to confirm lead content and packaging configuration. Ensure compatibility with RoHS regulations if required by the end application. Cross-reference the part number with authorized distributors to confirm current availability and authenticity before procurement.
Selection Notes
Select this component when a standard 1 A, 400 V rectifier with fast recovery speed is required. Compare the 150 ns recovery time against circuit switching frequencies to ensure adequate performance. Verify that the DO-41 through-hole package fits the PCB layout constraints and thermal management requirements of the design.
Part Context
This component belongs to the 1N4936 series of fast recovery rectifiers manufactured by Central Semiconductor Corp. It is a silicon planar epitaxial junction diode intended for general-purpose use. The series is characterized by its ability to handle moderate currents with fast switching speeds, making it a common choice for replacing slower standard recovery diodes in existing designs.
Replacement Considerations
Direct parameter-equivalent substitutes include Vishay 1N4936-E3/54 and onsemi 1N4936RLG. When substituting, verify that the alternative part maintains the same DO-41 package dimensions and electrical ratings, specifically the 400 V reverse voltage and 1 A forward current capabilities.
