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
SIEMENS - BC559-B
General Purpose Small Signal Transistor
Si PNP
Vceo 30V
Ic 100mA
Full part # on package BC559 B (Siemens logo)
Siemens datasheets indicate the hFE should be in the range 200 ~ 450 with 300 being typical
TESTING:
I made some quick tests on the devices and the measured hFE range is very tight, with gain range being 300, 368 & 393.
NEW Old Stock
Slightly dull (but still perfectly serviceable), clean leads
*** Where the photograph shows multiple devices, this advertisement is for ONE device not all that are shown ***
