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quality Photoelectric Coupler HENGTUO HT-3H7-BTP1 for Switching Power Supplies and Programmable Controllers factory
quality Photoelectric Coupler HENGTUO HT-3H7-BTP1 for Switching Power Supplies and Programmable Controllers factory

Photoelectric Coupler HENGTUO HT-3H7-BTP1 for Switching Power Supplies and Programmable Controllers

Key Attributes
Model Number: HT-3H7-BTP1
Product Custom Attributes
Rise Time:
4us
Output Current:
50mA
Fall Time:
3us
Vce Saturation(VCE(sat)):
100mV@20mA,20mA
Operating Temperature:
-55℃~110℃
Load Voltage:
80V
Reverse Voltage:
6V
Current Transfer Ratio:
50%;260%
Forward Current(If):
50mA
Pd - Power Dissipation:
200mW
Number Of Channels:
-
Load Type:
Phototransistor
Input Type:
DC
Isolation Voltage(Vrms):
3.75kV
Mfr. Part #:
HT-3H7-BTP1
Package:
SSOP-4
Product Description

Product Overview

The HT-3H7X is a photoelectric coupler from Hengtuo Technology Co., LTD., designed with a light-emitting diode and phototransistor within a compact 4-pin package. It offers high input-output isolation voltage of 3,750Vrms and a wide operating temperature range of -55 to 110. Key features include a minimum Current Transfer Ratio (CTR) of 50% at 5mA IF and 5V VCE, and compliance with safety standards such as UL 1577, VDE DIN EN60747-5-5, and CQC. This RoHS and MSL1 compliant device is suitable for applications including programmable controllers, switching power supplies, intelligent meters, and various home appliances like air conditioners and water heaters.

Product Attributes

  • Brand: Hengtuo Technology Co., LTD.
  • Product Series: HT-3H7X
  • Certifications: UL 1577, VDE DIN EN60747-5-5 (VDE 0884-5), CQC11-471543-2022
  • Compliance: RoHS, MSL1
  • Lead Frame Material Options: Copper (NONE)
  • VDE Order Option: V
  • Halogen Free Option: G

Technical Specifications

Parameter Symbol Min. Typ. Max. Unit Condition
Input Forward Current IF - - 50 mA -
Reverse Voltage VR - - 6 V -
Power Dissipation (Input) PD - - 70 mW -
Derating factor (Input, above Ta = 90C) - - - 2.0 mW/C -
Output Collector - Emitter Voltage VCEO - - 80 V -
Emitter - Collector Voltage VECO - - 7 V -
Collector Current IC - - 50 mA -
Collector Power Dissipation (Output) PC - - 150 mW -
Derating factor (Output, above Ta = 70C) - - - 3.1 mW/C -
Operating temperature range Top -55 - 110 C -
Storage temperature range Tstg -55 - 125 C -
Total Power consumption P(W) - - 200 mW -
Isolation Voltage VISO - - 3750 Vrms AC for 1 minute, R.H.= 40 ~ 60%
Soldering Temperature TSOL - - 260 C For 10 seconds
Input Forward Voltage VF - 1.2 1.4 V IF=20mA
Reverse Current IR - - 10 A VR=4V
Terminal Capacitance Ct - 30 250 pF V=0, f=1KHz
Output Collector Dark Current ICEO - - 100 nA VCE=20V, IF=0
Collector-Emitter Breakdown Voltage BVCEO 80 - - V IC=0.1mA, IF=0
Emitter-Collector Breakdown Voltage BVECO 7 - - V IE=10A, IF=0
Collector-Emitter Saturation Voltage VCE(sat) 0.1 - 0.2 V IF=20mA, IC=1mA
Isolation Resistance Riso 51010 - 11011 DC500V, 40 ~ 60% R.H.
Floating Capacitance Cf - 0.6 1 pF V=0, f=1MHz
Cut-off Frequency fc - 80 - kHz VCE=5V, IC=2mA RL=100,-3d B
Response Time (Rise) tr - 4 18 s VCE=2V, IC=2mA RL=100
Response Time (Fall) tf - 3 18 s VCE=2V, IC=2mA RL=100
Current Transfer Ratio (CTR) - 50 - 600 % IF=5mA, VCE=5V, Ta=25C (No Rank)
Current Transfer Ratio (CTR) A 80 - 160 % IF=5mA, VCE=5V, Ta=25C
Current Transfer Ratio (CTR) B 130 - 260 % IF=5mA, VCE=5V, Ta=25C
Current Transfer Ratio (CTR) C 200 - 400 % IF=5mA, VCE=5V, Ta=25C
Current Transfer Ratio (CTR) D 300 - 600 % IF=5mA, VCE=5V, Ta=25C

2411141115_HENGTUO-HT-3H7-BTP1_C34376202.pdf

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