- 2N6257
- Advanced Semiconductor, Inc.
- Silicon Transistor Selection Guide
- 2N6257
- Api Electronics Group
- 20 A, 40 V, NPN, Si, POWER TRANSISTOR, TO-3
- 2N6257
- Api Electronics, Inc.
- Short form transistor data
- 2N6257
- Continental Device India Limited
- TO-3 Power Package Transistors (NPN)
- 2N6257
- Diode Transistor Co., Inc.
- 35 to 500V Transistor Selection Guide
- 2N6257
- Silicon Transistor Corp.
- Low Frequency Silicon Power Transistor
- 2N6257
- Lucas Semiconductors
- Semiconductor Products
- 2N6257
- Microsemi Corp.
- 20 A, 40 V, NPN, Si, POWER TRANSISTOR, TO-3
- 2N6257
- On Semiconductor
- High Power NPN Silicon Power Transistors
- 2N6257
- Pirgo Electronics, Inc.
- Low Frequency Silicon Power Transistor
- 2N6257
- Rca Solid State
- Power Transistor Directory 1976
- 2N6257.MOD
- Semelab Plc.
- 20 A, 40 V, NPN, Si, POWER TRANSISTOR, TO-204AA
- 2N6257
- Solidev Semiconductors
- Solid State Products (Transistor Guide)