- 2N4049
- Germanium Power Devices Corp.
- Germanium Power Transistors
- TC52N4049ECT
- Microchip Technology, Inc.
- 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
- TC52N4049ECTTR
- Microchip Technology, Inc.
- 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
- 2N4049
- Solidev Semiconductors
- Solid State Products (Transistor Guide)