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Photoelectric Coupler with High Isolation Voltage and Wide Operating Temperature HENGTUO HT-3H7-CTP1

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Photoelectric Coupler with High Isolation Voltage and Wide Operating Temperature HENGTUO HT-3H7-CTP1

Fall time : 3us

Rise time : 4us

Output Current : 50mA

Vce Saturation(VCE(sat)) : 100mV@1mA,20mA

Operating Temperature : -55℃~+110℃

Load Voltage : 80V

Reverse Voltage : 6V

Current transfer ratio : 600%;50%

Forward Current(If) : 50mA

Number of Channels : 1

Load Type : Phototransistor

Input type : DC

Isolation Voltage(Vrms) : 3.75kV

Description : 50mA 100mV@1mA,20mA 80V 6V DC SSOP-4 Transistor, Photovoltaic Output Optoisolators RoHS

Mfr. Part # : HT-3H7-CTP1

Model Number : HT-3H7-CTP1

Package : SSOP-4

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Product Overview

The HT-3H7X is a photoelectric coupler from Hengtuo Technology Co., LTD., designed with a light-emitting diode and a phototransistor. Packaged in a 4-pin configuration with options for wide-lead spacing and SMD, this device offers high input-output isolation voltage (Viso = 3,750Vrms) and a wide operating temperature range of -55 to 110. Key features include a current transfer ratio (CTR) of at least 50% and safety approvals from UL, VDE, and CQC. The HT-3H7X is suitable for applications such as 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: Copper (Default)

Technical Specifications

Parameter	Symbol	Value	Unit	Condition
Current Transfer Ratio (CTR)	CTR	MIN. 50%	%	IF = 5mA, VCE = 5V
Input-Output Isolation Voltage	Viso	3,750	Vrms	AC for 1 minute, R.H.= 40 ~ 60% R.H.
Operating Temperature	Top	-55 ~ 110
Input Forward Current	IF	50	mA	Maximum Rating
Reverse Voltage	VR	6	V	Maximum Rating
Power Dissipation (Input)	PD	70	mW	Maximum Rating
Collector-Emitter Voltage	VCEO	80	V	Maximum Rating
Collector Current	IC	50	mA	Maximum Rating
Collector Power Dissipation	PC	150	mW	Maximum Rating
Storage Temperature	Tstg	-55 ~ 125		Maximum Rating
Total Power Consumption	P(W)	200	mW	Maximum Rating
Soldering Temperature	TSOL	260		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
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
CTR Rank (None)	CTR	50 - 600	%	IF=5mA, VCE=5V, Ta=25C
CTR Rank (A)	CTR	80 - 160	%	IF=5mA, VCE=5V, Ta=25C
CTR Rank (B)	CTR	130 - 260	%	IF=5mA, VCE=5V, Ta=25C
CTR Rank (C)	CTR	200 - 400	%	IF=5mA, VCE=5V, Ta=25C
CTR Rank (D)	CTR	300 - 600	%	IF=5mA, VCE=5V, Ta=25C

2411261516_HENGTUO-HT-3H7-CTP1_C34376201.pdf

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