Ex workshop spare parts and small manufacturing stock
ALL devices have been sourced through reputable local distributors such as RS Electronics, Farnell, WES and Rockby (Victoria) NOT direct import Chinese (often dodgy spec) devices
TIP31B
MOSPEC (Taiwan)
Power Transistor
Ic 3A
Si NPN
Vce 80V
B suffix means these have a slightly higher Vce rating to an A device but lower than a C suffix
Full part # on package K049 MOSPEC TIP31B
TO-220 case
TESTING:
There is only one but as it is old stock, I made a quick test of the device - all good with a measured hFE of 120
NEW
Old Stock
Shiny, clean leads
Stored in a sealed clear plastic packet
NEW
Old Stock