- BC109B
- Thomson-csf
- Condensed Data Book 1977
- BC109B
- Bharat Electronics Ltd
- Transistor Selection Guide
- BC109B
- Continental Device India Limited
- Semiconductor Device Data Book 1996
- BC109B
- Central Semiconductor Corp.
- 100 mA, 20 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-18
- BC109BLEADFREE
- Central Semiconductor Corp.
- 100 mA, 20 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-18
- BC109B
- Crimson Semiconductor
- Transistor Selection Guide
- BC109B
- Ferranti Semiconductors
- Quick Reference Guide 1985
- BC109B
- Infineon Technologies
- TRANS GP BJT NPN 20V 0.05A 3TO-18
- BC109B
- Micro Electronics Corporation
- TRANSISTOR,BJT,NPN,20V V(BR)CEO,200MA I(C),TO-18
- BC109B
- National Semiconductor
- Pro-Electron Transistor Datasheets
- BC109B
- Newmarket Transistors Ltd (nkt)
- Product Portfolio 1972/73
- BC109B
- Raytheon Company
- Selection Guide 1977
- BC109B
- Semelab Plc.
- 100 mA, 20 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-18
- BC109B
- Philips Semiconductors / Nxp Semiconductors
- NPN general purpose transistors
- BC109B
- Siemens Semiconductors
- NPN Silicon Transistor
- BC109B
- Stmicroelectronics
- NPN transistor for general purpose audio amplifiers, collector-emitter=20V, collector current=0.1A, hFE= 290
- BC109B
- Zetex Semiconductors
- Quick Reference Guide (Discrete Semiconductors) 1991