BS170 N-channel FET transistor

Note: Fairchild pinout of BS170 is different from ON Semiconductor pinout BS170, source-drain terminals reversed.

Brand: ON Semiconductor
Manufacturer code: BS170
Ordering code: TRS-1
Package/case: TO-92, THT
Max. power: 830mW @ 25 °C
Vgs voltage: 2.1Vdc min.
Vdss: 60Vdc
Input capacitance: 24pF typ.
Max. drain current: 500mAdc
Rds ON: 1.25 Ω max.’

Technical file HERE (datasheet)