Four Infrared LEDs and Phototransistor Detector Photo Coupler Orient OR-3H7-4GB-TA1-G GK for Measuring Instruments

Key Attributes
Model Number: OR-3H7-4GB-TA1-G(GK)
Product Custom Attributes
Rise Time:
4us@2mA,100Ω
Output Current:
50mA
Fall Time:
3us
Vce Saturation(VCE(sat)):
100mV@1mA,20mA
Operating Temperature:
-55℃~+110℃
Load Voltage:
80V
Reverse Voltage:
6V
Current Transfer Ratio:
100%;400%
Forward Current(If):
50mA
Number Of Channels:
4
Load Type:
Phototransistor
Input Type:
DC
Isolation Voltage(Vrms):
3.75kV
Mfr. Part #:
OR-3H7-4GB-TA1-G(GK)
Package:
SOP-16-4.4mm
Product Description

Product Overview

The OR-3H7-4 is a photo coupler featuring four infrared LEDs and four phototransistor detectors encapsulated in a 16-pin SOP package. It offers high input-output isolation voltage (3,750Vrms), a collector-emitter voltage of 80V, and operates within a wide temperature range of -55 to 125. This device is compliant with RoHS and REACH standards and is suitable for applications requiring high-density installation on mixed PCB substrates, programmable controllers, system apparatus, and measuring instruments.

Product Attributes

  • Brand: ORIENT
  • Origin: Shenzhen, China
  • Certifications: RoHS, REACH, VDE (optional), Halogen Free (optional)
  • Material: Sb2O3-free, Halogen-free (optional)

Technical Specifications

ParameterSymbolMinTyp.MaxUnitCondition
Input Characteristics
Forward VoltageVF1.21.4VIF=20mA
Reverse CurrentIR5AVR=5V
Terminal CapacitanceCt30250pFV=0, f=1KHz
Output Characteristics
Collector Dark CurrentICEO100nAVCE=20V, IF=0mA
Collector-Emitter Breakdown VoltageBVCEO80VIC=0.1mA, IF=0mA
Emitter-Collector Breakdown VoltageBVECO7VIE=0.1mA, IF=0mA
Transforming Characteristics
Current Transfer RatioCTR50600%IF=5mA, VCE=5V
Collector CurrentIC2.530mA
Collector-Emitter Saturation VoltageVCE(sat)0.4VIF=8mA, IC=2.4mA
Insulation ImpedanceRiso5101011011DC 500V, 40~60%R.H.
Floating CapacitanceCf0.61pFV=0, f=1MHz
Response Timetr218sVCE=5V, IC=2mA, RL=100, f=100Hz
Descend Timetf318s
Max Absolute Rated Value
Forward CurrentIF50mANormal Temperature=25
Peak forward current(t=10us)IFM1A
Reverse VoltageVR6V
Power Dissipation (Input)P70mW
Junction Temperature (Input)Tj125
Collector and emitter VoltageVCEO80V
Emitter and collector VoltageVECO7
Collector CurrentIC50mA
Power Dissipation (Output)PC100mW
Junction Temperature (Output)Tj125
Total Power DissipationPtot170mW
Insulation VoltageViso3750VrmsAC For 1 Minute, R.H. = 40 ~ 60%
Rated Impulse Insulation VoltageVIORM630V
Operating TemperatureTopr-55125
Storage TemperatureTstg-55150
Soldering TemperatureTsol26010 seconds

2410122002_Orient-OR-3H7-4GB-TA1-G-GK_C2838427.pdf

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