TLP291-4GB

The TLP291-4GB is a 4-channel photocoupler (optoisolator) from Toshiba, designed for signal isolation in electronic circuits. It features high-speed response (1MBd typical) and low power consumption, making it suitable for industrial, communication, and control systems.
Key specifications:
- Isolation voltage: 3750Vrms (min)
- Supply voltage: 3.3V or 5V compatible
- Current transfer ratio (CTR): 50% (min)
- Package: SO16 (small outline)
Applications include digital signal isolation, PLCs, and I/O interfaces. Its compact design and reliability ensure safe signal transmission while preventing noise and voltage spikes.
For detailed specs, refer to Toshiba’s datasheet.

The TLP291-4GB is a photocoupler (optoisolator) with the following key features:
- High Isolation Voltage: 3750 Vrms (min) for reliable signal isolation.
- Low Input Current: 5 mA (max) for energy efficiency.
- High Current Transfer Ratio (CTR): 50% (min) at 5 mA input.
- Compact Package: 4-pin SO6 (small outline) for space-saving designs.
- Fast Switching Speed: Turn-on/off times of 3 μs (max).
- Wide Operating Temperature: -40°C to +110°C for harsh environments.
- Safety Certifications: UL, cUL, and VDE approved.
Ideal for industrial, automotive, and power supply applications requiring signal isolation.

The TLP291-4GB is a photocoupler (optoisolator) in a 4-pin SO6 package. It features a small, surface-mount design with a creepage distance of 5mm, suitable for high-voltage isolation. The package is lead-free and RoHS-compliant, ensuring environmental safety. Its compact size makes it ideal for space-constrained applications like industrial controls and power supplies.