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Versatile Photoelectric Coupler HENGTUO PC-3H7-BTP1 for Programmable Controllers and Power Supplies

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Versatile Photoelectric Coupler HENGTUO PC-3H7-BTP1 for Programmable Controllers and Power Supplies

Fall time : 3us

Output Current : 50mA

Rise time : 18us

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

Operating Temperature : -55℃~+110℃

Load Voltage : 80V

Reverse Voltage : 6V

Current transfer ratio : 50%;600%

Forward Current(If) : 50mA

Pd - Power Dissipation : 200mW

Number of Channels : -

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 # : PC-3H7-BTP1

Model Number : PC-3H7-BTP1

Package : SSOP-4

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Product Overview

The PC-3H7X is a photoelectric coupler featuring a light-emitting diode and a phototransistor, housed in a 4-pin package. It offers a high input-output isolation voltage of 3,750Vrms and a wide operating temperature range from -55 to 110. Key features include a minimum current transfer ratio (CTR) of 50% at IF = 5mA, VCE = 5V. This product is compliant with RoHS and MSL1, and has received safety approvals including UL 1577, VDE DIN EN60747-5-5, and CQC. Applications include programmable controllers, switching power supplies, intelligent meters, and various home appliances such as air conditioners, fans, and water heaters.

Product Attributes

Product Type: Photoelectric Coupler
Series: PC series
Model: PC-3H7X
Certifications: UL 1577, VDE DIN EN60747-5-5 (VDE 0884-5), CQC11-471543-2022
Compliance: RoHS, MSL1
Lead Frame Material: Copper (NONE)

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 Range	Top	-55 ~ 110	C
Storage Temperature Range	Tstg	-55 ~ 125	C
Input Forward Current (Max)	IF	50	mA
Input Reverse Voltage (Max)	VR	6	V
Input Power Dissipation (Max)	PD	70	mW
Output Collector-Emitter Voltage (Max)	VCEO	80	V
Output Collector Current (Max)	IC	50	mA
Output Collector Power Dissipation (Max)	PC	150	mW
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
Soldering Temperature	TSOL	260	C	For 10 seconds

2410241625_HENGTUO-PC-3H7-BTP1_C42368120.pdf

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