- 2N4431
- Advanced Semiconductor, Inc.
- UHF BAND, Si, NPN, RF POWER TRANSISTOR
- 2N4431
- Thomson-csf
- Shortform Semiconductor Catalogue 1982
- 2N4431
- Ferranti Semiconductors
- Shortform Data Book 1971
- TC52N4431ECT
- Microchip Technology, Inc.
- 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
- TC52N4431ECTTR
- Microchip Technology, Inc.
- 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
- 2N4431
- Microsemi Corp.
- UHF BAND, Si, NPN, RF POWER TRANSISTOR
- 2N4431
- Semitronics Corp.
- VHF/UHF Power Transistors / Diffused Base MESA Transistors
- 2N4431
- Solidev Semiconductors
- Solid State Products (Transistor Guide)
- 2N4431
- Thomson Semiconductors
- Telecom Integrated Circuits Data Book 1985
- 2N4431
- Sunled Company Limited
- silicon transistors UHF/VHF power transistors
- 2N4431
- Texas Instruments
- The Power Semiconductor Data Book 1974
- 2N4431
- Transistor International Corporation
- Transistor Selection Guide