Part Number: STS-8857
Function: Infrared emitting diode and an NPN silicon phototransistor, Transmissive Switch Assembly
Manufacturer: Silonex
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Description
The STS-8857 consists of an infrared emitting diode and an NPN silicon phototransistor mounted on
opposite sides of a 3.8 mm wide slot. Phototransistor switching takes place whenever an opaque object
passes through the slot. The polysulfone housing (2) reduces interference from ambient light and provides dirt and dust protection. The 40 cm minimum length wires simplify the connection to the PC board.
Features
1. Non contact switching
2. Three wires for electrical connection
3. Fast switching speed
Absolute Maximum Ratings :
1. Operating & Storage Temperature -40°C to +85°C
2. Input Diode
3. Reverse Voltage 3 V
4. Continuous Forward Current 50 mA
5. Peak Forward Current (1ms pulse) 3 A
6. Power Dissipation (1) 100 mW
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