TLP531,TLP532 is an optical coupler produced by TOSHIBA. It is packaged in a 6-lead plastic DIP and contains a gallium arsenide infrared emitting diode and a phototransistor. It has a 50% current transfer ratio, a maximum working voltage of 55V, and a maximum working current of 70mA. The maximum isolation voltage is 2500Vrms.
The TLP531 and TLP532 optocouplers combine a gallium‑arsenide infrared emitting diode with a photo‑transistor in a six‑lead DIP package. They are intended for general electronics applications such as computers, office equipment, measuring devices, industrial robotics, and domestic appliances.
Key specifications include a collector‑emitter voltage of 55 V, isolation voltage of 2500 Vrms, forward current up to 70 mA, and power dissipation up to 150 mW. The devices operate from –55 °C to 100 °C and include recommended operating conditions and switching characteristics. The document also outlines restrictions on use in safety‑critical or high‑reliability equipment.
| Collector‑emitter voltage (VCEO) | 55 V (min) |
|---|---|
| Isolation voltage | 2500 Vrms (min) |
| Forward current (IF) | 70 mA (max) |
| Power dissipation (Po) | 150 mW (max) |
| Supply voltage (Voc) | 5‑24 V |
The isolation voltage is rated at 2500 Vrms minimum.
The maximum forward current is 70 mA and the maximum power dissipation is 150 mW.
Yes, they are not intended for use in equipment where failure could cause loss of life, bodily injury, or high‑reliability requirements such as atomic energy, aerospace, medical, or safety devices.