TLP181 Optocoupler SMD Package

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The TLP181 is a Thin-Profile Coupler that can be mounted on a surface. A photo transistor and an infrared emitting diode are what make up TLP181. TLP181 is appropriate for high density surface mounting applications like programmable controllers since it is smaller than DIP package.
An Opto Isolator is a semiconductor device that uses light to transmit an electrical signal between isolated circuits. It is sometimes referred to as an optical coupler, photocoupler, or optocoupler.
In a wide range of communications and monitoring systems, electrical isolation is employed to stop high voltage emitters from interfering with lower power equipment that is receiving a signal.


  • RoHS Compliant
  • Industry Standard Packaging
  • Ideal for surface and air sensing on PC boards
Model TLP181
Type Opto Isolator
Package Style SMD
Output Type NPN Phototransistor
Number of Channels 1 Channel
Maximum Collector Emitter Voltage 80 V
Maximum Collector Current 10 mA
Isolation Voltage 3750 Vrms
Forward Voltage 1.3 V
Reverse Voltage 5 V
Power Dissipation 200 mW
Operating Temperature Range -55°C to 110°C
Collector-Emitter Breakdown Voltage 80V
Maximum Collector Emitter Saturation Voltage 0.4V
Country of Origin China

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