- BT139-500D
- N/a
- Short Form Datasheet and Cross Reference Data
- BT139-500E
- N/a
- Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.
- BT139-500F
- N/a
- Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.
- BT139-500G
- N/a
- Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.
- BT139-500H
- N/a
- Historical semiconductor price guide (US$ - 1998). From our catalog scanning project.
- BT139-500E
- Philips Semiconductors / Nxp Semiconductors
- Triacs sensitive gate
- BT139-500G
- Teccor Electronics, Inc.
- Cross Reference Data to Teccor Part Numbers (See datasheet appendix)