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CT MICRO CT181GR T1 4 Pin Mini Flat Package Optocoupler for DC DC Converter and Telecom Applications

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CT MICRO CT181GR T1 4 Pin Mini Flat Package Optocoupler for DC DC Converter and Telecom Applications

Fall time : 9us

Output Current : 50mA

Rise time : 5us

Vce Saturation(VCE(sat)) : 300mV@2.4mA,8mA

Operating Temperature : -55℃~+110℃

Load Voltage : 80V

Reverse Voltage : 6V

Load Type : Phototransistor

Current transfer ratio : 100%;300%

Forward Current(If) : 50mA

Input type : DC

Isolation Voltage(Vrms) : 3.75kV

Number of Channels : 1

Description : 50mA 300mV@2.4mA,8mA 80V 6V DC SOP-4-2.54mm Transistor, Photovoltaic Output Optoisolators RoHS

Mfr. Part # : CT181GR(T1)

Model Number : CT181GR(T1)

Package : SOP-4-2.54mm

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Product Overview

The CT181 Series is a general-purpose optocoupler featuring a phototransistor optically coupled to a gallium arsenide infrared-emitting diode, housed in a 4-lead Mini-Flat package. It offers high isolation of 3750 VRMS, a creepage distance of 5mm, and an operating temperature range of -55C to 110C. Available with multiple CTR selections, this series is suitable for applications such as DC-DC converters, programmable controllers, telecommunication equipment, and hybrid substrates requiring high-density mounting. The product is designed with a green package and is pending various regulatory approvals including UL, VDE, CQC, and IEC standards.

Product Attributes

Brand: CT Micro
Series: CT181 Series
Package Type: 4-Pin Mini-Flat
Diode Type: Gallium Arsenide Infrared-emitting diode
Detector Type: Phototransistor
Package Material: Green Package
Regulatory Approvals (Pending): UL - UL1577, VDE - EN60747-5-5, CQC GB4943.1, GB8898, IEC60065, IEC60950

Technical Specifications

Symbol	Parameters	Test Conditions	Min	Typ	Max	Units
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 (Emitter)	Forward current				50	mA
IF(TRANS)	Peak transient current	(1s P.W,300pps)			1	A
VR (Emitter)	Reverse voltage				6	V
PD (Emitter)	Power dissipation				70	mW
PC (Detector)	Power dissipation				150	mW
BVCEO	Collector-Emitter Breakdown Voltage				80	V
BVECO	Emitter-Collector Breakdown Voltage				7	V
IC (Detector)	Collector Current				50	mA
Electrical Characteristics
VF	Forward voltage	IF=10mA	-	1.24	1.4	V
IR	Reverse Current	VR = 5V	-	-	5	A
CIN	Input Capacitance	f= 1MHz	-	10	250	pF
BVCEO	Collector-Emitter Breakdown	IC= 500A	80	-	-	V
BVECO	Emitter-Collector Breakdown	IE= 100A	7	-	-	V
ICEO	Collector-Emitter Dark Current	VCE= 48V	-	0.01	0.08	A
ICEO	Collector-Emitter Dark Current	VCE= 48V, TA=85C	-	2	50	A
CCE	Collector-Emitter Capacitance	f=1MHz	-	10	-	pF
Transfer Characteristics
CTR	Current Transfer Ratio (CT181GB)	IF= 5mA, VCE= 5V	100	-	600	%
CTR	Current Transfer Ratio (CT181GR)	IF= 5mA, VCE= 5V	100	-	300	%
CTR	Current Transfer Ratio (CT181GB)	IF= 1mA, VCE= 0.4V	30	-	-	%
CTR	Current Transfer Ratio (CT181GR)	IF= 1mA, VCE= 0.4V	-	60	-	%
VCE(sat)	Collector-emitter saturation voltage	IF= 8mA, IC= 2.4mA	-	-	0.3	V
IC(off)	Off-state collector current	VCE= 48V, VF=0.7V	-	1	10	A
Isolation Characteristics
RIO	Isolation Resistance	VIO= 500VDC	1x10¹²	10¹⁴	-
CIO	Isolation Capacitance	f=1MHz	-	0.5	-	pF
VISO	Isolation voltage	AC, 60s	3750	-	-	Vrms
VISO	Isolation voltage	AC, 1s in oil	-	10000	-
VISO	Isolation voltage	DC, 60s in oil	-	10000	-
Switching Characteristics
tr	Rise Time	VCC= 10V, IC= 2mA, RL= 100	-	5	-	s
tf	Fall Time		-	9	-
ton	Turn-on time		-	9	-
toff	Turn-off time		-	9	-
ton	Turn-on time	VCC= 5V, IF= 16mA, RL= 1.9k	-	2	-
ts	Storage time		-	30	-
toff	Turn-off time		-	70	-

Ordering Information

Model Format: CT181X(V)(Y)

CT: Denotes CT Micro
181: Part Number
X: CTR Rank (GB or GR)
V: VDE Safety Option (V or none)
Y: Tape and reel option (T1 or T2)

Options:

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

Example Part Number: CT181X VYWWK

2410121512_CT-MICRO-CT181GR-T1_C191834.pdf

Quality CT MICRO CT181GR T1 4 Pin Mini Flat Package Optocoupler for DC DC Converter and Telecom Applications for sale

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