BST40 Description
NPN high-voltage transistor in a SOT89 plastic package. MARKING TYPE NUMBER BST39 BST40 MARKING CODE AT1 AT2 1 Bottom view 2 3 handbook, halfpage BST39; BST40 PINNING PIN 1 2 3 emitter collector base DESCRIPTION 2 3 1 MAM296 Fig.1 Simplified outline (SOT89) and symbol.
BST40 Key Features
- Low current (max. 100 mA)
- High voltage (max. 350 V)