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
BT139F-600
Manufacturer unknown (not indicated on the device)
Country of origin unknown
Triac
Vdrm 600V
It (rms) 16A
Datasheets are readily available online
Full part # on package BT139F 600 PHm0314DG (no manufacturers logo)
SO-186 (similar to a TO-126 but the heatsink is isolated from any terminal)
NEW Old Stock
Shiny, clean leads
*** Where the photograph shows multiple devices, this advertisement is for ONE device not all that are shown.