TLP281 and TLP281-4 are very small and thin couplers, suitable for surface mount assembly in applications such as PCMCIA Fax modem and programmable controllers. TLP281 and TLP281-4 consist of a photo transistor optically coupled to a gallium arsenide infrared emitting diode.
The TLP281 and TLP281-4 are miniature GaAs optocouplers that combine an infrared emitting diode with a photo‑transistor. They are designed for surface‑mount use in applications such as PCMCIA fax modems and programmable controllers, offering high isolation and compact size.
The datasheet provides maximum ratings, electrical characteristics, switching performance, and handling precautions. It also outlines restrictions on product use, emphasizing safe design practices and compliance with relevant standards.
| Forward Current (IF) (max) | 50 mA |
|---|---|
| Reverse Voltage (VR) (max) | 5 V |
| Junction Temperature (Tj) (max) | 125 °C |
| Operating Temperature Range | -55 °C to 100 °C |
| Weight (TLP281) | 0.05 g |
| Weight (TLP281-4) | 0.19 g |
The device is rated for operation from –55 °C to 100 °C.