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STS-8857 - Transmissive Switch Assembly

General 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.

Key Features

  • Non contact switching.
  • Three wires for electrical connection.
  • Fast switching speed.

📥 Download Datasheet

Datasheet Details

Part number STS-8857
Manufacturer Silonex
File Size 141.36 KB
Description Transmissive Switch Assembly
Datasheet download datasheet STS-8857 Datasheet

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Full PDF Text Transcription (Reference)

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www.DataSheet4U.com STS-8857 Transmissive Switch Assembly Features • Non contact switching • Three wires for electrical connection • Fast switching speed 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.