TLP227A and TLP227A-2 are Toshiba's photocoupler photo relay products. They have the function of a bi-directional switch and can replace mechanical relays in many applications. Features include: maximum peak off-state voltage of 60V, trigger LED current of 3mA, on-state current of 500mA, on-state resistance of 2Ω, isolation voltage of 2500Vrms, and UL recognition.
The TLP227A series are gallium‑arsenide infrared emitting diode optocouplers with a photo‑MOSFET in a plastic DIP package. They function as bi‑directional switches that can replace mechanical relays in many applications.
The datasheet lists key specifications such as a peak off‑state voltage of 60 V, on‑state current up to 500 mA, isolation voltage of 2500 Vrms, and operating temperature range from –20 °C to 65 °C, along with recommended supply voltage and detailed electrical characteristics.
| Peak Off‑State Voltage | 60 V (MIN) |
|---|---|
| On‑State Current | 500 mA (MAX) |
| Isolation Voltage | 2500 Vrms (MIN) |
| Forward Current (IF) | 50 mA |
| Supply Voltage (Vpp) | 48 V (MAX) |
| Operating Temperature | -20 °C to 65 °C |
| Storage Temperature Range | -55 °C to 125 °C |
The maximum on‑state current is 500 mA.
The device provides a minimum isolation voltage of 2500 Vrms.
The recommended supply voltage can be up to 48 V.
The storage temperature range is –55 °C to 125 °C.