- TLP521-2BL
- Isocom Components
- DC Output Transistor IC
- TLP521-2BLG
- Isocom Components
- Optically Coupled Isolator
- TLP521-2BLSM
- Isocom Components
- DC Output Transistor IC
- TLP521-2BLSMT&R
- Isocom Components
- DC Output Transistor IC
- TLP521-2BL
- Isocom, Inc.
- 2 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER
- TLP521-2BLG
- Isocom, Inc.
- 2 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER
- TLP521-2BLSM
- Isocom, Inc.
- 2 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER
- TLP521-2BLSMT&R
- Isocom, Inc.
- 2 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER
- TLP521-2BL(F)
- Toshiba
- TLP521-2BL(F)