BST50
BST50 is NPN Darlington transistor manufactured by Nexperia.
NPN Darlington transistor
30 September 2025
Product data sheet
1. General description
NPN Darlington transistor in a SOT89 (SC-62) flat lead Surface-Mounted Device (SMD) plastic package. PNP plement: BST60
2. Features and benefits
- Integrated diode and resistor
3. Applications
- Industrial switching applications such as:
- Print hammer
- Solenoid
- Relay and lamp driving
4. Quick reference data
Table 1. Quick reference data
Symbol
Parameter
VCEO collector-emitter voltage
IC collector current h FE
DC current gain
Conditions open base
VCE = 10 V; IC = 150 m A; pulsed; tp ≤ 300 µs; δ ≤ 0.02; Tamb = 25 °C
Min Typ Max Unit
- -
- -
- -
5. Pinning information
Table 2. Pinning information
Pin
Symbol Description
E...
