TOSHIBA TLP185 Optocoupler, Transistor Output, SOP-4, 20mA, 3.75kV, 200% CTR

The TOSHIBA TLP185(BLL-TPL,E(O is a 1-channel, 4-pin Mini Flat Coupler featuring a phototransistor optically coupled to a gallium arsenide infrared emitting diode. This optocoupler is engineered for high-density surface mounting applications, offering reliable signal isolation and noise immunity in compact designs.

With a minimum collector-emitter voltage of 80V and a forward current of 50mA, it delivers solid performance for controlling and isolating signals in industrial environments. The device supports a forward current (If max) of 20mA and provides a high isolation voltage of 3.75kV, ensuring safe separation between input and output circuits.

Featuring a minimum current transfer ratio (CTR) of 200%, this optocoupler ensures efficient signal transfer even under varying load conditions. It operates across a wide temperature range from -55°C to 110°C, making it suitable for demanding industrial settings.

Key Specifications

• Configuration: Single channel, 4-pin SOP package
• Input: Gallium arsenide infrared emitting diode
• Output: Phototransistor
• Maximum Forward Current (If): 20mA
• Isolation Voltage: 3.75kV
• Current Transfer Ratio (CTR) min: 200%
• Collector-Emitter Voltage (V(br)ceo): 80V

This optocoupler is ideal for programmable controllers and other high-density surface mount applications where space is at a premium. Its robust construction and reliable performance make it a preferred choice for engineers seeking dependable isolation solutions.