The document describes the features and characteristics of the TOSHIBA TLP627 series photocouplers, including a gallium arsenide infrared emitting diode and a darlington connected phototransistor with optimized switching speed and elevated temperature characteristics. The TLP627-2 offers two isolated channels, while the TLP627-4 provides four isolated channels per package.
The Toshiba TLP627 series optocouplers consist of a gallium‑arsenide infrared emitting diode optically coupled to a Darlington‑connected phototransistor. The TLP627‑2 provides two isolated channels in an 8‑lead DIP, while the TLP627‑4 offers four isolated channels per package. Key electrical characteristics, absolute maximum ratings, and recommended operating conditions are detailed in this document.
The datasheet also includes pin configurations, switching times, isolation specifications, and safety restrictions for product use. It is intended for designers of general electronics such as computers, office equipment, measuring instruments, industrial robotics, and domestic appliances.
| Collector‑Emitter Voltage (VCE) | 300 V (min) |
|---|---|
| Current Transfer Ratio (CTR) | 1000 % (min) |
| Isolation Voltage | 5000 Vrms (min) |
| Forward Current (IF) | 60 mA (max) |
| Power Dissipation (single circuit) | 100 mW (max) |
| Operating Temperature Range | -55 °C to 100 °C |
| Weight (per package) | 0.26 g |
The collector‑emitter voltage rating is 300 V minimum.
The isolation voltage is rated at 5000 Vrms minimum.
The recommended operating temperature range is –25 °C to 85 °C.
The minimum CTR is 1000 %.