Part number : D1557, 3DD1557
Functions : Low frequency amplification bipolar transistor
Package information : TO-3P(H)IS Type
Manufacturer : Jilin Sino-Microelectronics
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Product Information
D1557 is a high back pressure NPN bipolar power transistor, manufacturing The main technology employed: high-pressure technology mesa, triplet Diffusion of technology, the use of plastic full encapsulation structure.
Application: color TV line output circuit
Pinout :
Features
1. High voltage: VCBO = 1700V
2. Saturation pressure drop: VCE (sat) = 1V (max.)
3. High switching speed: tf = 0.8μS (max.)
4. High reliability
5. Environmental protection (RoHS) products
Reference site :
http://monitor.espec.ws/section27/topic78212.html
D1557 Datasheet PDF
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