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High isolation photocoupler LITEON LTV-357T-A featuring current transfer ratio suitable for programmable controllers

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High isolation photocoupler LITEON LTV-357T-A featuring current transfer ratio suitable for programmable controllers

Rise time : 4us@2mA,100Ω

Output Current : 50mA

Fall time : 3us

Vce Saturation(VCE(sat)) : 200mV@1mA,20mA

Operating Temperature : -55℃~+110℃

Load Voltage : 35V

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 : Phototransistor Output 3.75kVrms 1 Channel SOP-4

Mfr. Part # : LTV-357T-A

Model Number : LTV-357T-A

Package : SOP-4

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LTV-357T Series Photocoupler

The LTV-357T series is a high-performance photocoupler designed for applications requiring high input-output isolation and high collector-emitter voltage. It features a current transfer ratio (CTR) of a minimum of 50% at IF = 5mA, VCE = 5V, and an isolation voltage of 3,750Vrms. Available in SOP-4 and mini-flat packages, this series is suitable for hybrid substrates, programmable controllers, and system appliances.

Product Attributes

Brand: LITE-ON Technology Corp.
Origin: Taiwan, R.O.C.
Certifications: UL 1577, VDE DIN EN60747-5-5 (VDE 0884-5), CSA CA5A, CQC GB4943.1-2011/ GB8898-2011, FIMKO/DEMKO/SEMKO/NEMKO
Compliance: RoHS Compliance (EU RoHS directive)
ESD Pass: HBM 8000V / MM2000V / CDM2000V
MSL Class: 1

Technical Specifications

Parameter	Symbol	Rating	Unit	Test Condition
Absolute Maximum Ratings
Input Forward Current	IF	50	mA	Ta=25C
Reverse Voltage	VR	6	V	Ta=25C
Power Dissipation	P	70	mW	Ta=25C
Junction Temperature	TJ	125	C	Input
Collector - Emitter Voltage	VCEO	35	V	Ta=25C
Emitter - Collector Voltage	VECO	6	V	Ta=25C
Collector Current	IC	50	mA	Ta=25C
Collector Power Dissipation	PC	150	mW	Ta=25C
Junction Temperature	TJ	125	C	Output
Total Power Dissipation	Ptot	170	mW	Ta=25C
Isolation Voltage	Viso	3750	Vrms	AC For 1 Minute, R.H. = 40 ~ 60%
Operating Temperature	Topr	-55 ~ +110	C
Storage Temperature	Tstg	-55 ~ +150	C
Soldering Temperature	Tsol	260	C	For 10 Seconds
Electrical Optical Characteristics
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	35		V	IC=0.1mA, IF=0
Emitter-Collector Breakdown Voltage	BVECO	6		V	IE=10A, IF=0
Collector Current	IC	2.5 / 30	mA	IF=5mA, VCE=5V
Current Transfer Ratio	CTR	50 / 600	%	IF=5mA, VCE=5V
Collector-Emitter Saturation Voltage	VCE(sat)		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
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

2410121606_LITEON-LTV-357T-A_C2944033.pdf

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