Vishay Bud636A Specifications and User Guide
Summary
A robust NPN High Voltage Switching Transistor designed for critical power switching. This component features simplified turn-off capabilities and high-speed operation, making it ideal for demanding conversion systems. The comprehensive manual provides detailed performance analysis, including absolute maximum ratings, electrical characteristics, and systematic switching details for both resistive and inductive loads. It is essential for engineers designing reliable switch-mode power supplies and electronic lamp ballast circuits requiring consistent efficiency and high reliability.
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查询BUD636A供应商
BUD636A Vishay Telefunken
Silicon NPN High Voltage Switching Transistor Features Simple-s Witch-Off Transistor (SWOT) Very low dynamic saturation HIGH SPEED technology Very low operating temperature Planar passivation Optimized RBSOA 100 k Hz switching rate High reverse voltage Very low switching losses
Applications Electronic lamp ballast circuits Switch-mode power supplies
BUD636A BUD636A –SMD
1 Base 2 Collector 3 Emitter 1 Base 2 Collector 3 Emitter
Absolute Maximum Ratings Tcase = 25°C, unless otherwise specified
Parameter Test Conditions Symbol Value Unit
Collector-emitter voltage VCEO
VCEW VCES
Emitter-base voltage VEBO Collector current IC Collector peak current ICM 7.5 Base current IB 2.5 Base peak current IBM Total power dissipation Tcase ≤ 25C Ptot Junction temperature Tj Storage temperature range Tstg –65 to +150
Document Number 86504 www.vishay.de • Fax Back +1-408-970-5600 Rev. 2, 20–Jan–99 1 (9)
Page Summary Contents For Vishay Bud636A Specifications and User Guide
Manual Details
| Brand | Vishay |
|---|---|
| Pages | 9 |
| File Size | 134.16 KB |
| Published | June 15, 2026 |
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Frequently Asked Questions
What is the maximum collector-emitter voltage this transistor supports?
The absolute maximum rating for Collector-emitter voltage ($V_{CEO}$) is 550 V.
Are these specifications accurate for my specific application?
No, all operating parameters must be validated for each customer application by the customer.
What is the total power dissipation limit of the BUD636A?
The maximum total power dissipation ($P_{tot}$) is 40 W (at T ≤ 25°C case).
What kind of applications is this device optimized for?
It is suitable for electronic lamp ballast circuits and switch-mode power supplies.