Description
Agilent HCPL-181 Phototransistor Optocoupler SMD Mini-Flat Type Data Sheet .
The HCPL-181 contains a light emitting diode optically coupled to a phototransistor.
Features
* Current Transfer Ratio (CTR: min. 50% at IF = 5 mA, VCE = 5 V)
* High input-output isolation voltage (Viso = 3750 Vrms)
* High collector-emitter voltage (VCEO = 80 V)
* Response time (tr: typ. , 4 µs at VCE = 2 V, IC = 2 mA, RL = 100 Ω)
* Mini-flat package (2
Applications
* I/O interfaces for computers
* System appliances, measuring instruments
* Signal transmission between circuits of different potentials and impedances
* Feedback circuit in power supply
Functional Diagram
PIN NO. AND INTERNAL CONNECTION DIAGRAM 4 3
ANODE 1 + IF IC 4