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Product Detailed Parameters
- Description：DIODE STANDARD 400V 1A DO204AL
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Box (TB)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：1 V @ 1 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：3 µs
- Current - Reverse Leakage @ Vr：200 nA @ 400 V
- Capacitance @ Vr, F：8pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-204AL (DO-41)
- Operating Temperature - Junction：-65°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The BYW27-400GPHE3/73 is a glass-passivated junction rectifier from Vishay General Semiconductor. It features a Superectifier structure for high reliability and cavity-free construction. The device provides a maximum average forward rectified current of 1.0 A and a maximum repetitive peak reverse voltage of 400 V. It exhibits a typical reverse recovery time of 3.0 μs, a maximum instantaneous forward voltage of 1.0 V at 1.0 A, and a maximum reverse current of 200 nA. The component operates within a temperature range of -65 °C to +175 °C and utilizes a DO-41 (DO-204AL) axial through-hole package.
Feature Summary
- Superectifier structure designed for high reliability applications
- Cavity-free glass-passivated junction construction
- Low forward voltage drop characteristics
- High forward surge capability
Applications
- General purpose rectification in power supplies
- Inverter circuits
- Converter applications
- Freewheeling diodes for consumer electronics
Procurement Notes
Verify the specific part number against official manufacturer documentation to confirm availability and compliance status. Ensure that the ordering suffix corresponds to the required packaging and RoHS compliance specifications. Confirm thermal resistance parameters relative to lead length requirements for the intended PCB mounting configuration.
Selection Notes
Select this component based on the 400 V reverse voltage rating and 1.0 A continuous current capacity. Consider the 3.0 μs reverse recovery time for switching frequency requirements. Verify compatibility with the DO-41 axial package and operating temperature range up to 175 °C. Evaluate thermal management needs regarding the junction-to-ambient thermal resistance.
Part Context
This component belongs to the BYW27 series of glass-passivated junction rectifiers manufactured by Vishay General Semiconductor. The series includes variants with different reverse voltage ratings ranging from 100 V to 800 V. All devices share similar electrical characteristics including 1.0 A forward current and Superectifier technology. The BYW27-400GPHE3/73 specifically denotes the 400 V variant with E3 suffix indicating RoHS compliance.
Replacement Considerations
Check for direct substitutes within the BYW27 series such as BYW27-200GP or BYW27-600GP if voltage ratings differ. Verify equivalent packages like DO-41 and matching electrical parameters including forward current and reverse recovery time before substitution.
