VOL618A
www.vishay.com
Vishay Semiconductors
Optocoupler, Phototransistor Output, Low Input Current,
4 Pin LSOP, Long Creepage Mini-Flat Package
FEATURES
• Low profile package
A
1
4
C
C
2
3
E
• High collector emitter voltage, VCEO = 80 V
• Isolation test voltage, 5000 VRMS
• Isolation voltage VIORM = 1050 Vpeak
• Low coupling capacitance
• High common mode transient immunity
17295-6
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
DESCRIPTION
The VOL618A has a GaAs infrared emitting diode emitter,
which is optically coupled to a silicon planar phototransistor
detector, and is incorporated in a 4 pin LSOP wide body
package.
APPLICATIONS
It features a high current transfer ratio, low coupling
capacitance, and high isolation voltage.
• Battery powered equipment
The coupling device is designed for signal transmission
between two electrically separated circuits.
• Programmable controllers
• Telecom
• Industrial controls
• Office machines
AGENCY APPROVALS
(All parts are certified under base model VOL618A)
• UL1577, file no. E76222
• cUL CSA 22.2 bulletin 5A, double protection
• DIN EN 60747-5-5 (VDE 0884-5), available with option 1
• BSI: EN 60065:2002, EN 60950-1:2006
• FIMKO EN60950-1
• CQC: GB8898-2011, GB4943.1-2011
ORDERING INFORMATION
V
O
L
6
1
8
PART NUMBER
A
-
#
CTR
BIN
X
0
0
1
PACKAGE OPTION
T
TAPE
AND
REEL
LSOP-5
10.2 mm
CTR (%)
AGENCY CERTIFIED/PACKAGE
1 mA
UL, cUL, BSI, FIMKO, CQC
50 to 600
63 to 125
100 to 200
4 pin LSOP, mini-flat, long creepage
VOL618AT
VOL618A-2T
VOL618A-3T
UL, cUL, BSI, FIMKO, CQC, VDE (option 1)
50 to 600
63 to 125
100 to 200
-
VOL618A-2X001T
VOL618A-3X001T
4 pin LSOP, mini-flat, long creepage
Document Number: 82405
1
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Rev. 1.8, 13-Oct-15
VOL618A
www.vishay.com
Vishay Semiconductors
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
INPUT
Reverse voltage
Power dissipation
Forward current
Forward surge current
Junction temperature
OUTPUT
Collector emitter voltage
Emitter collector voltage
TEST CONDITION
tp < 10 μs
Collector current
tp/T = 0.5, tp < 10 ms
Power dissipation
Junction temperature
COUPLER
Total power dissipation
Storage temperature range
Ambient temperature range
Soldering temperature (1)
≤ 10 s
SYMBOL
VALUE
UNIT
VR
Pdiss
IF
IFSM
Tj
6
100
60
1.5
125
V
mW
mA
A
°C
VCEO
VECO
IC
IC
Pdiss
Tj
80
7
50
100
150
125
V
V
mA
mA
mW
°C
Ptot
Tstg
Tamb
Tsld
250
-55 to +125
-55 to +110
260
mW
°C
°C
°C
Ptot - Total Power Dissipation (mW)
Notes
• Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is not
implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute
maximum ratings for extended periods of the time can adversely affect reliability.
(1) Refer to reflow profile for soldering conditions for surface mounted devices.
300
Coupled device
250
200
Phototransistor
150
100
IR-diode
50
0
0
20
40
60
80
100
120
Tamb - Ambient Temperature (°C)
Fig. 1 - Total Power Dissipation vs. Ambient Temperature
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
INPUT
Forward voltage
Capacitance
Reverse current
OUTPUT
Collector emitter leakage current
Collector emitter capacitance
COUPLER
Collector emitter saturation
voltage
Coupling capacitance
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
UNIT
IF = 5 mA
VR = 0 V, f = 1 MHz
VR = 6 V
VF
CO
IR
-
1.16
45
-
1.5
100
V
pF
μA
VCE = 10 V, IF = 0 A
VCE = 5 V, f = 1 MHz
ICEO
CCE
-
10
7
200
-
nA
pF
VCEsat
VCEsat
VCEsat
CC
-
0.25
0.25
0.25
0.25
0.4
0.4
0.4
V
V
V
pF
IC = 0.32 mA, IF = 1 mA
IC = 0.5 mA, IF = 1 mA
IC = 0.8 mA, IF = 1 mA
f = 1 MHz
PART
VOL618A-2
VOL618A-3
VOL618A-4
Note
• Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of engineering
evaluation. Typical values are for information only and are not part of the testing requirements.
Document Number: 82405
2
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Rev. 1.8, 13-Oct-15
VOL618A
www.vishay.com
Vishay Semiconductors
CURRENT TRANSFER RATIO (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
IC/IF
IF = 1 mA, VCE = 5 V
PART
SYMBOL
MIN.
TYP.
MAX.
UNIT
VOL618A
CTR
50
-
600
%
VOL618A-2
CTR
63
-
125
%
VOL618A-3
CTR
100
-
200
%
SWITCHING CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
UNIT
Turn on time
PARAMETER
VCC = 5 V, IC = 2 mA, RL = 100 Ω
ton
-
6
-
μs
Rise time
VCC = 5 V, IC = 2 mA, RL = 100 Ω
tr
-
3.5
-
μs
Turn off time
VCC = 5 V, IC = 2 mA, RL = 100 Ω
toff
-
5.5
-
μs
Fall time
VCC = 5 V, IC = 2 mA, RL = 100 Ω
tf
-
5
-
μs
VCC = 5 V
Input
Input pulse
RL
10 %
VOUT
Output pulse
90 %
tr
tf
t off
t on
isfh618a_10
isfh618a_12
Fig. 2 - Test Circuit
Fig. 3 - Test Circuit and Waveforms
SAFETY AND INSULATION RATINGS
PARAMETER
Partial discharge test voltage - routine test
Partial discharge test voltage lot test (sample test)
Isolation test voltage between emitter and detector
TEST CONDITION
SYMBOL
VALUE
UNIT
100 %, ttest = 1 s
Vpd
2
kVpeak
tTr = 60 s, ttest = 10 s,
(see figure 4)
VIOTM
8
kVpeak
Vpd
1.68
kVpeak
t = 1 min
VISO
5000
VRMS
Insulation voltage
Insulation resistance
Safety rating - maximum input current
Safety rating - maximum power dissipation
Rated impulse voltage
VIORM
1050
Vpeak
VIO = 500 VDC, Tamb = 25 °C
RIO
1012
Ω
VIO = 500 VDC, Tamb = 100 °C
RIO
1011
Ω
RIO
109
Ω
Isi
130
mA
PSO
265
mW
VIO = 500 VDC, Tamb = 150 °C
(construction test only)
VIOTM
8
kV
Safety rating - maximum ambient temperature
Tsi
150
°C
Comparative tracking index
CTI
275
mm
8
mm
8
mm
0.4
mm
Clearance distance
Creepage distance
Insulation distance (internal)
Note
• According to DIN EN 60747-5-5 (VDE 0884), § 7.4.3.8.2, (see figure 4). This optocoupler is suitable for safe electrical isolation only within the
safety ratings. Compliance with the safety ratings shall be ensured by means of suitable protective circuits.
Document Number: 82405
3
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Rev. 1.8, 13-Oct-15
VOL618A
www.vishay.com
Vishay Semiconductors
VIOTM
300
t1, t2
t3 , t4
ttest
tstres
Phototransistor
PSO (mW)
250
200
= 1 s to 10 s
=1s
= 10 s
= 12 s
Vpd
150
VIOWM
VIORM
100
IR-diode
Isi (mA)
50
0
0
0
25
50
75
125
100
t3 ttest t4
150
13930
Tsi - Safety Temperature (°C)
tTr = 60 s
t1
t2
t stres
t
Fig. 4 - Derating Diagram
Fig. 5 - Test Pulse Diagram for Sample Test according to
DIN EN 60747-5-5
TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
10 000
IF = 0 mA
Tamb = 110 °C
Tamb = 75 °C
Tamb = 25 °C
Tamb = 0 °C
Tamb = -55 °C
10
ICE0 - Leakage Current (nA)
IF - Forward Current (mA)
100
1
0.1
1000
VCE = 40 V
100
10
VCE = 24 V
1
0.1
VCE = 12 V
0.01
0.001
0.6
0.8
1.0
1.2
1.4
1.6
-60 -40 -20
VF - Forward Voltage (V)
40
60
80 100 120
Fig. 8 - Collector Emitter Current vs. Ambient Temperature
35
IF = 25 mA
IF = 20 mA
40
IC - Collector Current (mA)
IC - Collector Current (mA)
20
Tamb - Ambient Temperature (°C)
Fig. 6 - Forward Voltage vs. Forward Current
50
0
IF = 15 mA
30
IF = 10 mA
20
10
IF = 5 mA
IF = 1 mA
0
IF = 25 mA
30
25
20
IF = 1 mA
IF = 10 mA
IF = 0.5 mA
IF = 5 mA
15
10
5
IF = 2 mA
0
0
1
2
3
4
5
6
7
8
9
10
VCE - Collector Emitter Voltage (non-sat) (V)
Fig. 7 - Collector Current vs. Collector Emitter Voltage
(non-saturated)
0.0
0.1
0.2
0.3
0.4
VCE - Collector Emitter Voltage (V)
Fig. 9 - Collector Current vs. Collector Emitter Voltage (saturated)
Document Number: 82405
4
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Rev. 1.8, 13-Oct-15
VOL618A
www.vishay.com
Vishay Semiconductors
2.0
NCTR - Normalized CTR (sat)
NCTR - Normalized CTR (sat)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
Normalized to CTR value:
IF = 1 mA, VCE = 5 V, Tamb = 25 °C
-60 -40 -20
0
20
40
60
VCE = 0.4 V
Normalized
to: IF = 5 mA,
VCE = 5 V
1.8
1.6
1.4
Tamb = -55 °C
1.2
1.0
0.8
0.6
Tamb = 25 °C
0.4
0.2
Tamb = 110 °C
0.0
80 100 120
0.1
10
100
Fig. 13 - Current Transfer Ratio vs. Forward Current (non-saturated)
Normalized to 1 mA at 25 °C
1.4
0
1.2
-20
Phase Angle (deg)
NCTR - Normalized CTR (non-saturated)
Fig. 10 - Normalized Current Transfer Ratio vs.
Ambient Temperature (saturated)
1.0
0.8
0.6
0.4
Normalized to CTR value:
IF = 1 mA, VCE = 5 V, Tamb = 25 °C
VCE = 5 V
RL = 100 Ω
-40
-60
-80
RL = 1000 Ω
-100
-120
-140
0
-160
-60 -40 -20
0
20
40
60
80 100 120
1
Tamb - Ambient Temperature (°C)
10
100
1000
f - Frequency (kHz)
Fig. 14 - fCTR vs. Phase Angle
Fig. 11 - Normalized Current Transfer Ratio vs.
Ambient Temperature (non-saturated)
1000
2.5
Tamb = 0 °C
VCC = 5 V
Tamb = -55 °C
2.0
1.5
f CTR (kHz)
NCTR - Normalized CTR (NS)
1
IF - Forward Current (mA)
Tamb - Ambient Temperature (°C)
0.2
Tamb = 0 °C
Tamb = 25 °C
1.0
100
10
Tamb = 110 °C
0.5
Normalized to:
IF = 1 mA, VCE = 5 V
0.0
0.1
1
10
100
IF - Forward Current (mA)
Fig. 12 - Current Transfer Ratio vs. Forward Current (saturated)
Normalized to 1 mA at 25 °C
1
0.1
1
10
100
IC (mA)
Fig. 15 - Frequency (-3 dB) vs. Collector Current
Document Number: 82405
5
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Rev. 1.8, 13-Oct-15
VOL618A
www.vishay.com
ton, toff Switching Time (μs)
1000
VCE = 5 V, Ic = 2 mA
toff (μs)
100
10
ton (μs)
1
0.1
0
5
10
15
20
ton/toff - Turn-On/Turn-Off Time (µs)
Vishay Semiconductors
50
Saturated operation
VS = 5 V
RL = 1 kΩ
40
30
toff
20
10
ton
0
0
RL - Load Resistance (kΩ)
Fig. 16 - Switching Time vs. Load Resistance
10
15
20
Fig. 18 - Turn-On/Turn-Off Time vs. Forward Current
0
1.0
RL = 100 Ω
-5
20 % used
0.8
-10
CTR = 50 %
used
Voltage Gain
VCEsat - Collector Emitter
Saturation Voltage (V)
5
IF - Forward Current (mA)
95 11031
0.6
0.4
-15
-20
RL = 1000 Ω
-25
-30
0.2
-35
10 % used
0
VCE = 5 V
-40
1
95 11028
10
100
IC - Collector Current (mA)
Fig. 17 - Collector Emitter Saturation Voltage vs. Collector Current
1
10
100
1000
f - Frequency (kHz)
Fig. 19 - Voltage Gain vs. Cut-off Frequency
Document Number: 82405
6
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Rev. 1.8, 13-Oct-15
VOL618A
www.vishay.com
Vishay Semiconductors
PACKAGE DIMENSIONS (in millimeters)
2.30 max.
4.10 max.
10.20
3.80
+ 0.30
- 0.40
0.20
2.00
+ 0.10
- 0.05
7.50 ± 0.20
0.10
Seating plane
0.45 ± 0.1
0.70
+ 0.30
- 0.40
2.54 nom.
4
3
2.54
Possible footprint
0.90
8.20
1
22533
10.80
technical drawings
according to DIN
specifications
2
Pin no. 1 identification
PACKAGE MARKING (example of VOL618A-3X001T)
618A-3X1
V YWW 68
Notes
• Only option 1 is reflected in the package marking with the characters “X1”.
• Tape and reel suffix (T) is not part of the package marking.
TAPE AND REEL DIMENSIONS (in millimeters)
Ø 1.55
2.7
4
2
0.3
7.5
Tape slot
in core
1.75
ESD sticker
10.6
16
330
(13")
5°
4.25
8
Ø 1.6
Regular, special
or bar code label
17999
Fig. 20 - Reel Dimensions (3000 units per reel)
2.3
Direction of pulling out
technical drawings
according to DIN
specification
22662
Fig. 21 - Tape Dimensions
Document Number: 82405
7
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Rev. 1.8, 13-Oct-15
VOL618A
www.vishay.com
Vishay Semiconductors
SOLDER PROFILE
HANDLING AND STORAGE CONDITIONS
ESD level: HBM class 2
300
255 °C
240 °C
217 °C
250
Temperature (°C)
max. 260 °C
245 °C
Floor life: unlimited
Conditions: Tamb < 30 °C, RH < 85 %
Moisture sensitivity level 1, according to J-STD-020
200
max. 30 s
150
max. 100 s
max. 120 s
100
max. ramp down 6 °C/s
50
max. ramp up 3 °C/s
0
0
19841
50
100
150
200
250
300
Time (s)
Fig. 22 - Lead (Pb)-free Reflow Solder Profile
according to J-STD-020
Document Number: 82405
8
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Rev. 1.8, 13-Oct-15
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay's knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product
with the properties described in the product specification is suitable for use in a particular application. Parameters provided in
datasheets and / or specifications may vary in different applications and performance may vary over time. All operating
parameters, including typical parameters, must be validated for each customer application by the customer's technical experts.
Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited
to the warranty expressed therein.
Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and
for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of
any of the products, services or opinions of the corporation, organization or individual associated with the third-party website.
Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party website
or for that of subsequent links.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2022 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2022
1
Document Number: 91000
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