- 2N256A
- Germanium Power Devices Corp.
- Germanium Power Transistors
- 2N256A
- Solidev Semiconductors
- Solid State Products (Transistor Guide)
- GST/ST22N256AW40
- Stmicroelectronics
- Smartcard 32-Bit RISC MCU with 256 Kbytes EEPROM Javacard HW Execution & Cryptographic Library