TLP4197G is a photocoupler produced by Toshiba. It is packaged in a 6-pin SOP (2.54SOP6) package and has a 1b contact with a 350V withstand voltage, making it suitable for applications such as telephone line switching and dialing.
The TLP4197G is a photo‑MOSFET optocoupler that combines a MOSFET switch with an infrared LED in a 6‑pin SOP package (2.54 mm pitch, 2.1 mm height). It features an 850 V rated normally‑closed contact and a very low offset voltage, making it suitable for analog signal switching such as line‑cutting switches and diode drivers.
The datasheet lists absolute maximum ratings, typical on‑state resistance, forward and reverse currents, isolation voltage, and recommended operating conditions. Key parameters include a 350 V minimum trigger voltage, 120 mA maximum on‑current, 25 Ω maximum on‑resistance, and 1500 Vrms isolation rating. Recommended operating temperature ranges from –20 °C to 65 °C. This manual is written in Japanese.
| Maximum Collector‑Emitter Voltage | 850 V |
|---|---|
| On‑State Resistance (R_on) | 25 Ω (max) |
| On‑Current (I_ON) | 120 mA (max) |
| Isolation Voltage | 1500 Vrms (min, AC, 1 min, 60 % RH) |
| Trigger LED Current (I_F) | 3 mA (max) |
The device can withstand up to 850 V across its normally‑closed contact.
The recommended operating temperature is –20 °C to 65 °C.
The isolation voltage is rated at a minimum of 1500 Vrms (AC, 1 min, 60 % RH).
The on‑state resistance can be as high as 25 Ω.