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Product Detailed Parameters
- Description：DIODE AVALANCHE 200V 2A DO214AC
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：200 V
- Current - Average Rectified (Io)：2A
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 2 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：25 ns
- Current - Reverse Leakage @ Vr：1 µA @ 200 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：DO-214AC, SMA
- Supplier Device Package：DO-214AC (SMA)
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BYG22DHM3_A/H is an ultrafast avalanche rectifier manufactured by Vishay General Semiconductor. It features a glass passivated pellet chip junction and operates in the SMA (DO-214AC) surface-mount package. The device supports a maximum repetitive peak reverse voltage of 200 V and an average forward current of 2.0 A. Key electrical characteristics include a maximum instantaneous forward voltage of 1.1 V at 2.0 A, a peak forward surge current rating of 35 A, and a maximum reverse recovery time of 25 ns. The component is qualified to AEC-Q101 standards for automotive applications.
Feature Summary
- Avalanche rated capability for handling non-repetitive pulse energy in inductive load switching
- Soft recovery characteristic designed to minimize electromagnetic interference during switching
- Glass passivated junction providing robust protection against chemical corrosion
Applications
- High frequency rectification in switching mode converters
- Freewheeling diode applications in inverters
- Automotive electronic systems requiring AEC-Q101 qualification
Procurement Notes
Verify that the ordering code includes the HM3 suffix to confirm halogen-free compliance alongside RoHS adherence. Ensure the HE3 or HM3 designation is present if AEC-Q101 automotive qualification is required for the specific project environment. Confirm the base part number matches the required voltage rating before procurement.
Selection Notes
Select this component when high-frequency operation requires fast reverse recovery times to reduce switching losses. The avalanche rating makes it suitable for circuits with potential inductive kickback where standard rectifiers might fail. Verify thermal management requirements against the specified junction-to-lead thermal resistance values for the target PCB layout.
Part Context
This device belongs to the BYG22 series of ultrafast SMD rectifiers from Vishay. The series encompasses variants with different voltage ratings, specifically 50 V, 100 V, and 200 V options. All members share identical physical dimensions and thermal characteristics within the SMA package format.
Replacement Considerations
Compatible substitutes within the same family include BYG22D-E3/TR and BYG22DHE3_A/H. These alternatives maintain the 200 V rating and SMA footprint but differ in material compliance or automotive qualification status.
FAQ
Is the BYG22DHM3_A/H capable of withstanding avalanche breakdown?
Yes, the datasheet specifies a non-repetitive pulse energy rating of 20 mJ in avalanche mode for inductive load switch-off scenarios.
What does the 'HM3' suffix indicate regarding material composition?
The HM3 suffix denotes that the device is halogen-free, RoHS-compliant, and meets commercial grade standards.
