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High isolation 3750 VRMS CT MICRO CT354V T1 optocoupler with multiple CTR options and compact design

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High isolation 3750 VRMS CT MICRO CT354V T1 optocoupler with multiple CTR options and compact design

Rise time : 9us

Fall time : 8us

Output Current : 50mA

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

Operating Temperature : -55℃~+110℃

Load Voltage : 80V

Reverse Voltage : -

Current transfer ratio : 20%;300%

Forward Current(If) : 50mA

Pd - Power Dissipation : 200mW

Number of Channels : -

Load Type : Phototransistor

Input type : AC,DC

Isolation Voltage(Vrms) : 3.75kV

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

Mfr. Part # : CT354(V)(T1)

Model Number : CT354(V)(T1)

Package : SOP-4-2.54mm

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Product Overview

The CT354 Series is an AC input, 4-pin Mini-Flat DMC-Isolator Phototransistor Optocoupler from CT Micro. Featuring a patented coplanar structure, it offers high isolation of 3750 VRMS and operates across a wide temperature range of -55 C to 110 C. Available with various Current Transfer Ratio (CTR) selections, this optocoupler is designed for applications including switch mode power supplies, computer peripheral interfaces, and microprocessor system interfaces. It is RoHS, REACH, and Halogen Free compliant, with multiple regulatory approvals including UL, VDE, CQC, and IEC62368.

Product Attributes

Brand: CT Micro
Product Line: CT354 Series
Technology: DMC-Isolator
Certifications: UL (UL1577), VDE (EN60747-5-5), CQC (GB4943.1, GB8898), IEC62368
Compliance: RoHS, REACH, Halogen Free
Package Type: 4-Pin Mini-Flat

Technical Specifications

Symbol	Parameters	Test Conditions	Min	Typ	Max	Units	Notes
Absolute Maximum Ratings
VISO	Isolation voltage				3750	VRMS
TOPR	Operating temperature		-55		110	C
TSTG	Storage temperature		-55		150	C
TSOL	Soldering temperature				260	C
PTOT	Total power dissipation				200	mW
IF	Forward current				50	mA
IF(TRANS)	Peak transient current (1s P.W,300pps)				1	A
PD	Power dissipation (Emitter)				70	mW
PC	Power dissipation (Detector)				150	mW
BVCEO	Collector-Emitter Breakdown Voltage		80			V
BVECO	Emitter-Collector Breakdown Voltage		7			V
IC	Collector Current				50	mA
Electrical Characteristics
VF	Forward voltage	IF= 10mA		1.24	1.4	V
CIN	Input Capacitance	f= 1kHz		45		pF
BVCEO	Collector-Emitter Breakdown Voltage	IC= 100A	80			V
BVECO	Emitter-Collector Breakdown Voltage	IE= 100A	7			V
ICEO	Collector-Emitter Dark Current	VCE= 20V, IF=0mA			100	nA
CTR	Current Transfer Ratio	IF= 1mA, VCE= 5V				%	CT354: 20-300%, CT354A: 50-150%, CT354B: 100-300%
CTR Symmetry	CTR Symmetry	IF= 1mA, VCE= 5V	0.7		1.3
VCE(SAT)	Collector-Emitter Saturation Voltage	IF= 20mA, IC= 1mA		0.1	0.2	V
RIO	Isolation Resistance	VIO= 500VDC	5x10¹⁰
CIO	Isolation Capacitance	f= 1MHz		0.6	1.0	pF
Switching Characteristics
tr	Rise Time	IC= 2mA, VCE= 2V, RL= 100		6	18	s
tf	Fall Time	IC= 2mA, VCE= 2V, RL= 100		8	18	s

Ordering Information

CT354X (V)(Z)

CT: CT Micro
354: Part Number
X: CTR Rank Option (Blank, A or B)
V: VDE Safety Mark Option (Blank or V)
Z: Tape and Reel Option (T1 or T2)

Tape and Reel Options:

T1: Surface Mount Lead Forming With Option 1 Taping (3000 Units/Reel)
T2: Surface Mount Lead Forming With Option 2 Taping (3000 Units/Reel)

2411272243_CT-MICRO-CT354-V-T1_C2940732.pdf

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