IS181
DESCRIPTION
The IS181 series of optocoupler consists of an
infrared light emitting diode optically coupled to an
NPN silicon photo transistor in a space efficientMini Flat Package.

1234FEATURES••••••

Low Profile Package
AC Isolation Voltage 3750VRMS
CTR Selections Available
Wide Operating Temperature Range-55°C to +110°C
Lead Free and RoHS Compliant
UL File E91231 model “FPT1” and “FPT2”APPLICATIONS••••

Computer Terminals
Industrial System Controllers
Measuring Instruments
Signal Transmission between Systems ofDifferent Potentials and Impedance

ORDER INFORMATION•

Available in Tape and Reel with 3000 piecesper reel

ABSOLUTE MAXIMUM RATINGS (TA = 25°C)
Stresses exceeding the absolute maximum ratings can cause
permanent damage to the device.
Exposure to absolute maximum ratings for long periods of time
can adversely affect reliability.

Input
Forward Current
Reverse Voltage
Power dissipation

http://www.isocom.com

1 20/03/2018

50mA
6V
70mW

OutputCollector to Emitter Voltage BVCEO

80V

Emitter to Collector Voltage BVECO

6V

Collector Current
Power Dissipation

50mA
150mW

Total Package
Isolation Voltage
Total Power Dissipation
Operating Temperature
Storage Temperature
Lead Soldering Temperature(10s)

ISOCOM COMPONENTS 2004 LTD
Unit 25B, Park View Road West, Park View Industrial Estate
Hartlepool, Cleveland, TS25 1PE, United Kingdom
Tel : +44 (0)1429 863 609 Fax : +44 (0)1429 863 581
e-mail : sales@isocom.co.uk

Anode
CathodeEmitterCollector

3750VRMS
170mW-55 to 110 °C-55 to 150 °C
260°C

ISOCOM COMPONENTS ASIA LTD
Hong Kong Office,Block A, 8/F, Wah Hing Industrial Mansions,
36 Tai Yau Street, San Po Kong, Kowloon, Hong Kong.
Tel : +852 2995 9217 Fax : +852 8161 6292
e-mail : sales@isocom.com.hk

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IS181
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
INPUT
Parameter

SymbolTest Condition

MinTyp.

Max

Unit

Forward Voltage

VF

IF = 20mA

1.2

1.4

V

Reverse Current

IR

VR = 4V

10µA

Terminal CapacitanceCt

V = 0V, f = 1KHz

30250

pF

Parameter

SymbolTest Condition

MinTyp.

Max

Unit

Collector-Emitter
Breakdown Voltage

BVCEO

IC = 0.1mA, IF =0 mA

80

V

Emitter-Collector
Breakdown Voltage

BVECO

IE = 10µA, IF = 0mA

6V

Collector-EmitterDark Current

ICEO

VCE = 20V, IF = 0mA

Parameter

SymbolTest Condition

Current Transfer Ratio

CTR

OUTPUT

100nAMax

Unit%

COUPLEDMin

Typ.

IF = 5mA, VCE = 5V

50600

Optional CTR Grades
IS181A
IS181B
IS181CIS181D
IS181GRIS181GB

80
130
200
300
100
100

160
260
400
600
300
600

Collector-Emitter
Saturation Voltage

VCE(sat)

IF = 20mA, IC = 1mA

0.2

V

Floating CapacitanceCf

V = 0V, f = 1MHz

0.6

1pF

Output Rise Timetr

VCE = 2V, Ic = 2mA, RL = 100Ω

418µs

Output Fall Timetf

VCE = 2V, Ic = 2mA, RL = 100Ω

318µs

SymbolTest Condition

MinTyp.

MaxUnitInsulation Voltage

VISO

RH = 40% to 60%, t = 1 min,3750

V

Input - Output
Resistance

RI-O

VI-O = 500VDC

5x1010ΩISOLATION
Parameter

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IS181

Fig 1 Forward Current vs TA

Fig 2 Collector Power Dissipation vs TA

Fig 3 Forward Current vs Forward Voltage

Fig 4 Collector Current vsCollector-Emitter Voltage

Fig 5 Collector-Emitter Saturation Voltage vsForward Current

Fig 6 Collector-Emitter Saturation Voltage vs TA

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Normalized current transfer ratioNormalized current transfer ratio

IS181

Forward current IF(mA)

Ambient temperature Ta ( ºC)

Fig 7 Normalized Current Transfer Ratio vs
Forward Current

Fig 8 Normalized Current Transfer Ratio vs TA

Fig 9 Collector Dark Current vs TA

Fig 10 Frequency response

Fig 11 Response Time vs Load Resistance

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IS181ORDER INFORMATION
IS181
After PN

PN

Description

Packing quantity

None

IS181

Surface Mount Tape & Reel

3000 pcs per reel

Any CTR
Grade

IS181A, IS181B, IS181C,
IS181D, IS181GR, IS181GB

Surface Mount Tape & Reel

3000 pcs per reel

NOTE : Multiple Grades may be supplied to meet the requested specification.

DEVICE MARKINGFPT#I YWWR

FPT#

denotes Device Part Number where “#” is internal control number
which can be “1” or ‘2”

Idenotes Isocom

Ydenotes 1 digit Year codeWWdenotes 2 digit Week codeRdenotes CTR Grade

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IS181
PACKAGE DIMENSIONS (mm)RECOMMENDED SOLDER PAD LAYOUT (mm)6 20/03/2018

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IS181TAPE AND REEL PACKAGING

Description

SymbolDimension
mm (inch)

Tape WidthW

12 ± 0.3 (0.47)

Pitch of Sprocket HolesP0

4 ± 0.1 (0.15)F

5.5 ± 0.1 (0.217)

P2

2 ± 0.1 (0.079)

P1

8 ± 0.1 (0.315)

Distance of Compartment to Sprocket Holes
Distance of Compartment to Compartment

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IS181IR REFLOW SOLDERING TEMPERATURE PROFILE
One Time Reflow Soldering is Recommended.
Do not immerse device body in solder paste.

TP260°C

TP - 5°C
Max Ramp Up Rate
3°C/s

TEMP (°C)

TL
Tsmax

tP

Max Ramp Down Rate
6°C/s

217°C

TL

180°C

Tsmin 150°C
ts Preheat
60s – 120s

25°C
TIME (s)Time 25°C to Peak Temperature

Profile Details

Conditions

Preheat- Min Temperature (TSMIN)- Max Temperature (TSMAX)- Time TSMIN to TSMAX (ts)

150°C
180°C
60s - 120s

Soldering Zone
- Peak Temperature (TP)- Liquidous Temperature (TL)
- Time within 5°C of Actual Peak Temperature (TP ̶ 5°C)
- Time maintained above TL (tL)- Ramp Up Rate (TL to TP)- Ramp Down Rate (TP to TL)

260°C
217°C
20s
60s
3°C/s max
3 - 6°C/s

Average Ramp Up Rate (Tsmax to TP)

3°C/s maxTime 25°C to Peak Temperature

8 minutes max8 20/03/2018

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DISCLAIMER
Isocom Components is continually working to improve the quality and reliability of its products.
Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent
electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer,when utilizing Isocom Components products, to comply with the standards of safety in making
a safe design for the entire system, and to avoid situations in which a malfunction or failure ofsuch Isocom Components products could cause loss of human life, bodily injury or damage toproperty.
In developing your designs, please ensure that Isocom Components products are used within
specified operating ranges as set forth in the most recent Isocom Components products
specifications.
The Isocom Components products listed in this document are intended for usage in generalelectronics applications (computer, personal equipment, office equipment, measuringequipment, industrial robotics, domestic appliances, etc.). These Isocom Components
products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause lossof human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy
control instruments, airplane or spaceship instruments, transportation Instruments, traffic
signal instruments, combustion control instruments, medical Instruments, all types of safety
devices, etc... Unintended Usage of Isocom Components products listed in this document
shall be made at the customer’s own risk.
Gallium arsenide (GaAs) is a substance used in the products described in this document.
GaAs dust and fumes are toxic. Do not break, cut or pulverize the product, or use chemicals todissolve them. When disposing of the products, follow the appropriate regulations. Do notdispose of the products with other industrial waste or with domestic garbage.
The products described in this document are subject to the foreign exchange and foreign tradelaws.
The information contained herein is presented only as a guide for the applications of ourproducts. No responsibility is assumed by Isocom Components for any infringements ofintellectual property or other rights of the third parties which may result from its use. No license
is granted by implication or otherwise under any intellectual property or other rights of Isocom
Components or others.
The information contained herein is subject to change without notice.

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