The PS7205B-1A is a low on-state resistance solid state relay from NEC. It has features such as low on-state resistance, large continuous load current and high switching speed. It is suitable for use in PLC circuits.
The PS7205B-1A is a low on‑state resistance solid‑state relay that uses a GaAs LED on the input side and MOSFETs on the output side. It offers a typical on‑state resistance of 0.9 Ω, a continuous load current of 500 mA, and a high isolation voltage of 1500 V rms, making it suitable for PLCs and other control applications.
The device is supplied in a 4‑pin SOP package (height 2.1 mm) and is available in various tape and reel formats (E3, E4, F3, F4). Recommended operating temperature ranges from –40 °C to +85 °C, and the datasheet lists detailed electrical characteristics, maximum ratings, and ordering information.
| Continuous load current (IL) | 500 mA |
|---|---|
| Breakdown voltage (BV) | 1500 V rms |
| Package type | 4‑pin SOP, height 2.1 mm |
| Operating temperature range | -40 °C to +85 °C |
| Power dissipation (continuous) | 300 mW |
The device can handle a continuous load current of 500 mA.
The recommended ambient temperature range is –40 °C to +85 °C.