VTL5C2

The VTL5C2, manufactured by PerkinElmer, is an axial vactrol designed for optocoupler applications. It is characterized by a very steep slope, a low temperature coefficient of resistance, and minimal light history memory, making it suitable for precise control circuits.

Key electrical specifications include a typical ON resistance of 600 Ω at 10 mA and 200 Ω at 40 mA, with a minimum OFF resistance of 50 MΩ after 10 seconds. The device boasts a typical dynamic range of 100 db and a typical turn-on response time of 2.5 ms, with a maximum turn-off time of 35 ms. The LED forward voltage drop is typically 1.65V at 20 mA, and the maximum cell voltage is 100V.

Absolute maximum ratings include a storage and operating temperature range of -40°C to 75°C. The maximum cell power dissipation is 175 mW, with a derating of 3.9 mW/°C above 30°C. The maximum LED current is 40 mA, with a derating of 0.9 mA/°C above 30°C. The minimum isolation voltage is rated at 2500 VRMS.

This component is designed for through-hole mounting. Its specific characteristics make it valuable in applications requiring sensitive light-controlled resistance, such as audio effects pedals, automatic gain control circuits, and other signal processing equipment.