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Durable Photoelectric Coupler HENGTUO HT-357-ATP1 Suitable for Programmable Controllers and Appliances

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Durable Photoelectric Coupler HENGTUO HT-357-ATP1 Suitable for Programmable Controllers and Appliances

Fall time : 3us

Output Current : 50mA

Rise time : 4us

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

Operating Temperature : -55℃~+110℃

Load Voltage : 80V

Reverse Voltage : 6V

Current transfer ratio : 80%;160%

Forward Current(If) : 50mA

Number of Channels : 1

Pd - Power Dissipation : 200mW

Load Type : Phototransistor

Input type : DC

Isolation Voltage(Vrms) : 3.75kV

Description : 50mA 100mV@20mA,1mA 80V 6V DC SOP-4-175mil-2.54mm Transistor, Photovoltaic Output Optoisolators RoHS

Mfr. Part # : HT-357-ATP1

Model Number : HT-357-ATP1

Package : SOP-4-175mil-2.54mm

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Product Overview

The HT-357X is a photoelectric coupler from Hengtuo Technology Co., LTD., designed with a light-emitting diode and a phototransistor integrated into a 4-pin package. It offers high input-output isolation voltage of 3,750Vrms and operates across a wide temperature range of -55 to 110. Key features include a minimum Current Transfer Ratio (CTR) of 50% 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, fans, and water heaters.

Product Attributes

Brand: Hengtuo Technology Co., LTD.
Product Series: HT-357X
Certifications: UL 1577, VDE DIN EN60747-5-5 (VDE 0884-5), CQC11-471543-2022
Compliance: RoHS, MSL1
Lead Form Options: NONE (SOP4), (1)
CTR Rank Options: A, B, C, D, E, NONE
Tape and Reel Options: TP, TP1
Lead Frame Material Options: F, NONE (Copper)
VDE Order Option: V (fixed code)
Halogen Free Option: G (fixed code)

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)	-	-	-	2.9	mW/C
Collector - Emitter Voltage	VCEO	-	-	80	V
Emitter - Collector Voltage	VECO	-	-	7	V
Collector Current	IC	-	-	50	mA
Collector Power Dissipation	PC	-	-	150	mW
Derating Factor (Output, above Ta = 70C)	-	-	-	3.7	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,
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

2504101957_HENGTUO-HT-357-ATP1_C34376199.pdf

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