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AS1FD-M3/H
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Product Detailed Parameters
- Description：DIODE AVAL 200V 1.5A DO219AB
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：200 V
- Current - Average Rectified (Io)：1.5A
- Voltage - Forward (Vf) (Max) @ If：1.15 V @ 1.5 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：1.3 µs
- Current - Reverse Leakage @ Vr：5 µA @ 200 V
- Capacitance @ Vr, F：8.8pF @ 4V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：DO-219AB
- Supplier Device Package：DO-219AB (SMF)
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The AS1FD-M3/H is a standard recovery rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum DC reverse voltage (Vr) of 200 V and an average forward rectified current (Io) of 1.5 A. The device utilizes avalanche technology and is housed in a DO-219AB (SMF) surface-mount package. It operates within a junction temperature range of -55°C to 150°C.
Feature Summary
- Avalanche technology for robust performance
- Surface-mount DO-219AB (SMF) packaging
- Standard recovery characteristics
Applications
- General purpose rectification in surface-mount circuits
- Low-voltage power supply applications
- Protection circuits requiring avalanche capability
Procurement Notes
Verify the specific suffix 'M3/H' against the manufacturer's datasheet to confirm RoHS compliance and halogen-free status. Ensure the ordering part number matches the exact electrical specifications required for the design, as suffixes may indicate variations in packaging or material composition that do not alter the core function.
Selection Notes
Select this component when a 200 V rating and 1.5 A current capacity are required in a compact SMF package. Consider its avalanche capability if transient energy absorption is necessary. Compare thermal resistance and forward voltage drop against alternatives to ensure compatibility with the system's power dissipation limits and efficiency targets.
Part Context
This diode belongs to Vishay's general-purpose rectifier lineup designed for surface-mount assembly. The DO-219AB (SMF) package offers a small footprint suitable for high-density PCB layouts. It serves as a discrete solution for converting AC to DC in low-to-medium power electronic devices where space constraints are critical.
Replacement Considerations
Check for direct substitutes such as the AS1FM-M3/H for higher current ratings or other Vishay SMF series diodes with matching voltage and current specifications. Verify pinout compatibility and thermal characteristics before substituting.
