Vishay Avalanche Diode 2 kV 250 mA 2-Pin SOD-57 Through Hole BY203-20STAP

Vishay BY203-20STAP is a high voltage avalanche diode designed for industrial and electronic applications where reliable high voltage rectification and fast switching are critical. With a peak repetitive reverse voltage rating of 2 kV and a maximum continuous forward current of 250 mA, this diode operates efficiently in through hole SOD-57 package configuration.

The diode features a superectifier structure, which enhances its reliability during switching, and a cavity-free glass-passivated junction to ensure low leakage current, typically less than 0.2 microamps. Its peak non-repetitive forward surge current capability of 20 A provides robustness in surge conditions.

Mechanically, the device has a compact footprint with dimensions of 4.2 mm length, 3.6 mm width, and 3.6 mm height, housed in a DO-204AL glass body with molded epoxy meeting UL 94 V-0 flammability standards. The terminals are matte tin plated, solderable according to industry norms J-STD-002 and JESD 22-B102, ensuring ease of manufacturing and assembly.

This avalanche diode exhibits excellent switching speed with a peak reverse recovery time of 300 ns, making it highly suitable for high frequency switching applications. The device operates reliably within a wide temperature range from -55°C to 150°C, suitable for rigorous industrial and commercial environments.

Typical applications include high voltage rectification for G2 grid in cathode ray tubes (CRTs), television circuits, and snubber circuits for camera flash units, where precise and stable avalanche breakdown behavior is required.

The diode is RoHS compliant with commercial-grade classification denoted by the E3 suffix, meeting rigorous whisker testing standards (JESD 201 class 1A), essential for long-term reliability in electronic assemblies.

Overall, the Vishay BY203-20STAP avalanche diode combines high voltage capability, fast switching, low leakage, and mechanical robustness, making it ideal for use in industrial, laboratory, electronics manufacturing, and consumer electronic applications.

The diode features a superectifier structure ensuring high reliability under switching conditions. Its cavity-free glass-passivated junction provides low leakage current typically less than 0.2 μA. It supports a maximum continuous forward current of 250 mA with peak non-repetitive forward surge current of 20 A.

The package type is SOD-57 with dimensions 4.2 mm length, 3.6 mm width, and 3.6 mm height. Operating temperature ranges from -55°C up to 150°C, suitable for demanding environments. Fast switching capability with peak reverse recovery time of 300 ns allows effective high-frequency performance.

Matte tin plated leads are solderable according to J-STD-002 and JESD 22-B102 standards. Applications include high voltage rectification in G2 grid CRTs, TV sets, and snubber circuits for camera flash units. The diode is compliant with RoHS and has commercial-grade classification with E3 suffix meeting JESD 201 class 1A whisker test.

Its molded epoxy body offers UL 94 V-0 flammability rating for safety in electronics assemblies. Discover Vishay products and more in the Semiconductor category at EnvMart for reliable electronic component sourcing.

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