ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：DIODE AVAL 1.2KV 250MA SOD57
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Box (TB)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：1200 V
- Current - Average Rectified (Io)：250mA
- Voltage - Forward (Vf) (Max) @ If：2.4 V @ 200 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：300 ns
- Current - Reverse Leakage @ Vr：2 µA @ 700 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：SOD-57, Axial
- Supplier Device Package：SOD-57
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：-
- Qualification：-
Download product information
Overview
The BY203-12STAP is a fast avalanche sinterglass diode manufactured by Vishay Semiconductors. It features a glass passivated junction and hermetically sealed SOD-57 package with plated axial leads. The device provides a repetitive peak reverse voltage of 1200 V and an average forward current rating of 0.25 A. Key electrical characteristics include a maximum forward voltage of 2.4 V at 0.2 A, a reverse recovery time of 300 ns, and a non-repetitive reverse avalanche energy capability of 10 mJ. It operates within a junction temperature range of -55 °C to +150 °C.
Feature Summary
- Fast avalanche sinterglass construction for high reliability
- Hermetically sealed glass passivated junction
- Plated axial leads suitable for through-hole mounting
Applications
- TV-line output circuits
- Switch mode power supplies
Procurement Notes
Verify the specific ordering code BY203-12STAP against the manufacturer's official documentation to confirm packaging details. Ensure that the required avalanche energy ratings and thermal resistance parameters align with the target circuit design requirements before finalizing procurement decisions.
Selection Notes
Select this component when designing circuits requiring fast switching capabilities combined with avalanche ruggedness in a compact axial leaded package. Consider the 1200 V reverse voltage rating and 0.25 A average current limits to ensure proper derating under expected operating conditions.
Part Context
This part belongs to the BY203 series of fast avalanche sinterglass diodes from Vishay Semiconductors. The series includes variants with different voltage ratings such as 1600 V and 2000 V, all sharing the same SOD-57 package and general structural characteristics designed for robust performance in demanding electronic applications.
Replacement Considerations
Direct substitutes are not explicitly confirmed in the provided datasheet. Verify compatibility based on matching voltage ratings, current capabilities, package dimensions, and electrical specifications with alternative components.
