- 1N1731
- Conditioning Semiconductor Devices Corporation
- 750mA Iout, 2.5kV Vrrm General Purpose Silicon Rectifier
- 1N1731A
- Edal Industries, Inc.
- 50mA Iout, 1.5kV Vrrm General Purpose Silicon Rectifier
- SE1N1731
- General Diode
- 200mA Iout, 1.5kV Vrrm General Purpose Silicon Rectifier
- 1N1731
- Semitronics Corp.
- High Voltage Axial Lead Silicon Cartridge Rectifiers
- SE1N1731
- General Diode
- 200mA Iout, 1.5kV Vrrm General Purpose Silicon Rectifier