IS281- 4, IS281- 4GB
DESCRIPTION
The IS281-4 and IS281-5GB are four channel
optical isolators with each channel consists of an
infrared emitting diode optically coupled to an NPN
silicon photo transistor.
These devices belong to Isocom Compact Range of
Optocouplers.
FEATURES
•
•
•
•
•
Half Pitch 1.27mm
High AC Isolation voltage 3000VRMS
Wide Operating Temperature Range
-55°C to 110°C
Pb Free and RoHS Compliant
UL Approval E91231 Package Code “THP4”
APPLICATIONS
•
•
•
•
Hybrid Substrates with High Density Mounting
Industrial System Controllers
Measuring Instruments
System Appliances
ORDER INFORMATION
•
Available in Tape and Reel with
2000pcs per 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
50mA
6V
70mW
Output
Output Current
50mA
Collector to Emitter Voltage BVCEO
80V
Emitter to Collector Voltage BVECO
Power Dissipation
7V
100mW
Total Package
Isolation Voltage
Total Power Dissipation
Operating Temperature
3000VRMS
170mW
-55 to 110 °C
Storage Temperature
Lead Soldering Temperature
-55 to 150 °C
260°C
(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
http://www.isocom.com
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ISOCOM COMPONENTS ASIA LTD
Hong Kong Office,
Block A, 8/F, Wah Hing Industrial mansion,
36 Tai Yau Street, San Po Kong, Kowloon, Hong Kong.
Tel : +852 2995 9217 Fax : +852 8161 6292
e-mail : sales@isocom.com.hk
DD93216
IS281- 4, IS281- 4GB
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
INPUT
Parameter
Symbol
Test Condition
Min
Typ.
Max
Unit
Forward Voltage
VF
IF = 20mA
1.2
1.4
V
Reverse Current
IR
VR = 4V
10
µA
Terminal Capacitance
Ct
VF = 0V, f = 1KHz
30
250
pF
Symbol
Test Condition
Min
Typ.
Max
Unit
Collector-Emitter
Breakdown Voltage
BVCEO
IF = 0, IC = 0.1mA
80
V
Emitter-Collector
Breakdown Voltage
BVECO
IF = 0, IE = 10µA
7
V
ICEO
IF = 0, VCE = 48V
Symbol
Test Condition
OUTPUT
Parameter
Collector-Emitter
Dark Current
100
nA
Max
Unit
COUPLED
Parameter
Current Transfer Ratio
CTR
Typ.
IF = 5mA, VCE = 5V
IS281-4
IS281-4GB
VCE(sat)
IF = 8mA, IC = 2.4mA
Floating Capacitance
Cf
VCE = 0V, f = 1MHz
Output Rise Time
tr
Output Fall Time
tf
VCE = 10V,
Ic = 2mA,
RL = 100Ω
Collector-Emitter
Saturation Voltage
Min
%
50
100
600
600
0.4
V
0.6
1
pF
2
18
µs
3
18
Turn-On Time
tON
3
Turn-Off Time
tOFF
3
Turn-On Time
tON
Turn-Off Time
tOFF
Storage Time
VCE = 5V,
Ic = 16mA,
RL = 1.9kΩ
2
40
25
tS
ISOLATION
Parameter
Symbol
Test Condition
Min
Input to Output
Isolation Voltage
VISO
RH = 40% - 60%, t = 1 min
Note 1
3000
Input to Output
Isolation Resistance
RISO
RH = 40% - 60%, VIO= 500V
Note 1
5x1010
Typ.
Max
Unit
VRMS
1x1011
Ω
Note 1 : Measured with input leads shorted together and output leads shorted together.
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IS281- 4, IS281- 4GB
Fig 1 Forward Current vs TA
Fig 2 Collector Power Dissipation vs TA
Fig 3 Forward Current vs Forward Voltage
Fig 4 Forward Current Temperature Coefficient vs
Forward Current
Fig 5 Pulse Forward Current vs
Pulse Forward Voltage
Fig 6 Pulse Forward Current vs Duty Cycle
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Fig 7 Collector Current vs Collector-Emitter Voltage
Fig 8 Collector Current vs
Low Collector-Emitter Voltage
Fig 9 Current Transfer Ratio vs
Forward Current
Fig 10 Collector Current vs TA
Fig 11 Normalized Current Transfer Ratio vs
Forward Current
Fig 12 Normalized Current Transfer Ratio vs TA
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Fig 13 Collector-Emitter Voltage vs
Forward Current
Fig 14 Collector-Emitter Saturation Voltage vs TA
Fig 15 Collector Dark Curent vs TA
Fig 16 Frequency Response
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Fig 17 Switching Time vs Load Resistance
Fig 18 Switching Time vs TA
Switching Time Test Circuit
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IS281- 4, IS281- 4GB
ORDER INFORMATION
UL Approval
After PN
None
PN
IS281-4, IS281-4GB
Description
Surface Mount Tape & Reel
Packing quantity
2000 pcs per reel
DEVICE MARKING
Example : IS281-4
THP4
I YWW
THP4
denotes Device Part Number
I
denotes Isocom
Y
denotes 1 digit Year code
WW
denotes 2 digit Week code
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IS281- 4, IS281- 4GB
PACKAGE DIMENSIONS (mm)
RECOMMENDED SOLDER PAD LAYOUT (mm)
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IS281- 4, IS281- 4GB
TAPE AND REEL PACKAGING
DescriptionDescription
Tape wide
Dimension
Symbol Symbol Dimension in
mm (inches)
mm (inch)
W
Tape
Pitch
of Width
sprocket holes
P0
Distance
compartment
Pitch ofofSprocket
Holes
Distance of compartment to compartment
Distance of Compartment to Sprocket Holes
Distance of Compartment to Compartment
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W
16 ± 0.3 (0.63)
F
P2
P0
4 ± 0.1 (0.15)
P1
F
7.5 ± 0.1 (0.295)
P2
2 ± 0.1 (0.079)
P1
12 ± 0.1 (0.47)
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IS281- 4, IS281- 4GB
IR REFLOW SOLDERING TEMPERATURE PROFILE
One Time Reflow Soldering is Recommended.
Do not immerse device body in solder paste.
TP
260°C
TP - 5°C
Max Ramp Up Rate
3°C/s
TEMP (°C)
TL
Tsmax
Tsmin
tP
Max Ramp Down Rate
6°C/s
217°C
TL
200°C
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
200°C
60s - 120s
Soldering Zone
- Peak Temperature (TP)
- Time at Peak Temperature
- 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
10s max
217°C
30s max
60s - 100s
3°C/s max
6°C/s max
Average Ramp Up Rate (Tsmax to TP)
3°C/s max
Time 25°C to Peak Temperature
8 minutes max
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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 of
such Isocom Components products could cause loss of human life, bodily injury or damage to
property.
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 general
electronics applications (computer, personal equipment, office equipment, measuring
equipment, 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 loss
of 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 to
dissolve them. When disposing of the products, follow the appropriate regulations. Do not
dispose 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 trade
laws.
The information contained herein is presented only as a guide for the applications of our
products. No responsibility is assumed by Isocom Components for any infringements of
intellectual 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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