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DS-LCA712-R02 1
LCA712
Single-Pole, Normally Open
OptoMOS® Relay
RoHS
2002/95/EC e3
Pb
Part # Description
LCA712 6-Pin DIP (50/Tube)
LCA712S 6-Pin Surface Mount (50/Tube)
LCA712STR 6-Pin Surface Mount (1,000/Reel)
Parameter Ratings Units
Blocking Voltage 60 VP
Load Current 1 A
Off-State Leakage Current 10 nA
Max RON 0.5 Ω
Applications
Features
Description
Ordering Information
Pin Configuration
• Telecommunications
• Telecom Switching
• Tip/Ring Circuits
• Modem Switching (Laptop, Notebook,
Pocket Size)
• Hook Switch
• Dial Pulsing
• Ground Start
• Ringing Injection
• Instrumentation
• Multiplexers
• Data Acquisition
• Electronic Switching
• I/O Subsystems
• Meters (Watt-Hour, Water, Gas)
• Medical Equipment—Patient/Equipment Isolation
• Security
• Aerospace
• Industrial Controls
• Very Low Off-State Leakage Current: 10nA
• Low On-Resistance: 0.5Ω
• High Current Handling Capability: 1A
• 3750Vrms Input/Output Isolation
• Small 6-Pin Package
• Low Drive Power Requirements (TTL/CMOS
Compatible)
• High Reliability
• Arc-Free With No Snubbing Circuits
• No EMI/RFI Generation
• Machine Insertable, Wave Solderable
• Surface Mount Tape & Reel Version Available
The LCA712 is a normally open (1-Form-A) solid state
relay that uses optically coupled MOSFET technology
to provide 3750Vrms of input to output isolation. The
efficient MOSFET switches and photovoltaic die use
Clare’s patented OptoMOS architecture. The optically
coupled output is controlled by a highly efficent GaAIAs
infrared LED.
The LCA712 can be used to replace mechanical
relays, and offers the superior reliability associated
with semiconductor devices. Because it has no moving
parts, it offers faster, bounce-free switching in a more
compact surface mount or thru-hole package.
Switching Characteristics of
Normally Open Devices
Approvals
• UL Recognized Component: File E76270
• CSA Certified Component: Certificate 1175739
• EN/IEC 60950-1 Certified Component:
TUV Certificate B 09 07 49410 004
Form-A
IF
ILOAD
10%
90%
ton toff
1
3
2
4
5
6
+ Control
– Control
Do Not Use
Load
Do Not Use
Load
AC/DC Configuration
1
3
2
4
5
6
+ Control
– Control
Do Not Use
+ Load
– Load
DC Only Configuration
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2R02
LCA712
Absolute Maximum Ratings are stress ratings. Stresses in
excess of these ratings can cause permanent damage to
the device. Functional operation of the device at conditions
beyond those indicated in the operational sections of this
data sheet is not implied.
Absolute Maximum Ratings @ 25ºC
Parameter Ratings Units
Blocking Voltage 60 VP
Reverse Input Voltage 5 V
Input Control Current
Peak (10ms)
50 mA
1A
Input Power Dissipation 1150 mW
Total Power Dissipation 2800 mW
Isolation Voltage, Input to Output 3750 Vrms
Operational Temperature -40 to +85 °C
Storage Temperature -40 to +125 °C
1 Derate Linearly 1.33 mW / ºC
2 Derate Linearly 6.67 mW / ºC
Parameter Conditions Symbol Min Typ Max Units
Output Characteristics
Load Current
AC/DC Confi guration, Continuous - IL
--1
A DC Confi guration, Continuous - - - 1.8
Peak t=10ms ILPK --5
On-Resistance 1
AC/DC Confi guration IL=1A RON
- 0.3 0.5 Ω
DC Confi guration IL=1.8A - 0.1 0.15
Off-State Leakage Current VL=60VP , T=85ºC ILEAK - - 10 nA
Switching Speeds
Turn-On IF = 10mA, VL = 10V ton - - 2.5 ms
Turn-Off toff - - 0.35 ms
Output Capacitance VL=50V, f=1MHz COUT - 220 - pF
Input Characteristics
Input Control Current IL = 1A IF- - 10 mA
Input Dropout Current - IF0.4 0.7 - mA
Input Voltage Drop IF = 10mA VF0.9 1.2 1.4 V
Reverse Input Current VR = 5V IR- - 10 µA
Common Characteristics
Capacitance, Input to Output - CI/O -3 -pF
1 Measurement taken within 1 second of on-time.
Electrical Characteristics @ 25ºC (Unless Otherwise Noted)
LCA712
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R02
PERFORMANCE DATA*
*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications, please contact our application
department.
Typical Turn-On Time
(N=50, IF=10mA, IL=1ADC, TA=25ºC)
0.7 1.1 1.50.5 0.9 1.3
Turn-On (ms)
Device Count (N)
25
20
15
10
5
0
Typical Turn-Off Time
(N=50, IF=10mA, IL=1ADC, TA=25ºC)
0.05 0.09 0.130.03 0.07 0.11
Turn-Off (ms)
Device Count (N)
25
20
15
10
5
0
Typical On-Resistance Distribution
(N=50, IF=10mA, IL=1ADC, TA=25ºC)
35
30
25
20
15
10
5
0
0.215 0.225 0.235 0.2550.245 0.265
On-Resistance (Ω)
Device Count (N)
Typical IF for Switch Operation
(N=50, IL=1ADC, TA=25ºC)
1.25 2.25 3.251.75 2.75 3.75
LED Current (mA)
Device Count (N)
25
20
15
10
5
0
Typical IF for Switch Dropout
(N=50, IL=1ADC, TA=25ºC)
25
20
15
10
5
0
1.25 2.25 3.251.75 2.75 3.75
LED Current (mA)
Device Count (N)
Typical Blocking Voltage Distribution
(N=50, TA=25ºC)
35
30
25
20
15
10
5
0
72 74 76 78 80 82
Blocking Voltage (VP)
Device Count (N)
Typical LED Forward Voltage Drop
(N=50, IF=10mA, TA=25ºC)
35
30
25
20
15
10
5
0
1.17 1.19 1.21 1.23 1.25
LED Forward Voltage (V)
Device Count (N)
Typical Turn-On
vs.LED Forward Current
(IL=1ADC)
Forward Current (mA)
Turn-On (ms)
05 1015202530354045
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
50
Typical Turn-Off
vs. LED Forward Current
(IL=1ADC)
LED Forward Current (mA)
Turn-Off (ms)
05 1015202530354045
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
50
Typical LED Forward Voltage Drop
vs. Temperature
Temperature (ºC)
LED Forward Voltage Drop (V)
1.8
1.6
1.4
1.2
1.0
0.8
-40 -20 0 20 40 60 80 120100
I
F
=50mA
I
F
=30mA
I
F
=20mA
I
F
=10mA
Typical Turn-On vs. Temperature
(IL=1ADC)
Temperature (ºC)
Turn-On (ms)
-40
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-20 0 20 40 60 80 100
I = 20mA
F
I = 10mA
F
Typical Turn-Off vs. Temperature
(IF=10mA, IL=1ADC)
Temperature (ºC)
Turn-Off (ms)
-40
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
-20 0 20 40 60 80 100
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4R02
LCA712
PERFORMANCE DATA*
*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications, please contact our application
department.
Typical IF for Switch Operation
vs. Temperature
(IL=1ADC)
Temperature (ºC)
LED Current (mA)
-40
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-20 0 20 40 60 80 100
Typical IF for Switch Dropout
vs. Temperature
(IL=1ADC)
Temperature (ºC)
LED Current (mA)
-40
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-20 0 20 40 60 80 100
Typical On-Resistance vs. Temperature
(IF=10mA, IL=1ADC)
Temperature (ºC)
On-Resistance (Ω)
-40
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
-20 0 20 40 60 80 100
Typical Load Current vs. Load Voltage
(IF=10mA, TA=25ºC)
Load Voltage (V)
Load Current (mA)
1000
800
600
400
200
0
-200
-400
-600
-800
-1000
-0.3 -0.2 -0.1 0.1 0.2
00.3
Typical Maximum Load Current
vs. Temperature
Temperature (ºC)
Load Current (mA)
1800
1600
1400
1200
1000
800
600
400
-40 -20 0 20 40 60 80 120100
IF=20mA
IF=10mA
IF=5mA
Typical Blocking Voltage
vs. Temperature
Temperature (ºC)
Blocking Voltage (VP)
-40
81
80
79
78
77
76
75
74
73
-20 0 20 40 60 80 100
Typical Leakage vs. Temperature
Measured across Pins 4&6
(VL=60V)
Temperature (ºC)
Leakage (μA)
-40
0.007
0.006
0.005
0.004
0.003
0.002
0.001
0
-20 0 20 40 60 80 100
Energy Rating Curve
Time
Load Current (A)
8
7
6
5
4
3
2
1
0
10μs 1ms 100ms 10s100μs 10ms 1s 100s
LCA712
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Manufacturing Information
Moisture Sensitivity
All plastic encapsulated semiconductor packages are susceptible to moisture ingression. Clare classified all
of its plastic encapsulated devices for moisture sensitivity according to the latest version of the joint industry
standard, IPC/JEDEC J-STD-020, in force at the time of product evaluation. We test all of our products to
the maximum conditions set forth in the standard, and guarantee proper operation of our devices when handled
according to the limitations and information in that standard as well as to any limitations set forth in the information or
standards referenced below.
Failure to adhere to the warnings or limitations as established by the listed specifications could result in reduced
product performance, reduction of operable life, and/or reduction of overall reliability.
This product carries a Moisture Sensitivity Level (MSL) rating as shown below, and should be handled according
to the requirements of the latest version of the joint industry standard IPC/JEDEC J-STD-033.
Device Moisture Sensitivity Level (MSL) Rating
LCA712 / LCA712S MSL 1
ESD Sensitivity
This product is ESD Sensitive, and should be handled according to the industry standard JESD-625.
Reflow Profile
This product has a maximum body temperature and time rating as shown below. All other guidelines of J-STD-020
must be observed.
Device Maximum Temperature x Time
LCA712 / LCA712S 250ºC for 30 seconds
Board Wash
Clare recommends the use of no-clean flux formulations. However, board washing to remove flux residue is
acceptable. Since Clare employs the use of silicone coating as an optical waveguide in many of its optically isolated
products, the use of a short drying bake could be necessary if a wash is used after solder reflow processes.
Chlorine- or Fluorine-based solvents or fluxes should not be used. Cleaning methods that employ ultrasonic energy
should not be used.
RoHS
2002/95/EC e3
Pb
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6R02
LCA712
MECHANICAL DIMENSIONS
Dimensions
mm
(inches)
PCB Hole Pattern
6.350 ± 0.127
(0.250 ± 0.005)
2.540 ± 0.127
(0.100 ± 0.005)
7.620 ± 0.127
(0.300 ± 0.005)
5.080 ± 0.127
(0.200 ± 0.005)
6 - 0.800 DIA.
(6 - 0.031 DIA.)
0.254 ± 0.0127
(0.010 ± 0.0005)
9.144 ± 0.508
(0.360 ± 0.020)
7.239 TYP
(0.285 TYP)
7.620 ± 0.254
(0.300 ± 0.010)
3.302 ± 0.051
(0.130 ± 0.002) 4.064 TYP
(0.160 TYP)
0.457 ± 0.076
(0.018 ± 0.003)
8.382 ± 0.381
(0.330 ± 0.015) 2.54 ± 0.127
(0.100 ± 0.005)
6.350 ± 0.127
(0.250 ± 0.005)
1.651 ± 0.254
(0.065 ± 0.010)
Dimensions
mm
(inches)
PCB Land Pattern
0.254 ± 0.0127
(0.010 ± 0.0005)
7.620 ± 0.254
(0.300 ± 0.010)
0.635 ± 0.127
(0.025 ± 0.005)
3.302 ± 0.051
(0.130 ± 0.002)
4.445 ± 0.254
(0.175 ± 0.010)
2.54
(0.10)
8.90
(0.3503)
1.65
(0.0649)
0.65
(0.0255)
8.382 ± 0.381
(0.330 ± 0.015) 2.54 ± 0.127
(0.100 ± 0.005)
9.524 ± 0.508
(0.375 ± 0.020) 6.350 ± 0.127
(0.250 ± 0.005)
0.457 ± 0.076
(0.018 ± 0.003)
1.651 ± 0.254
(0.065 ± 0.010)
1.651 ± 0.254
(0.065 ± 0.010)
LCA712
LCA712S
Clare, Inc. makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the right to make changes to specifications
and product descriptions at any time without notice. Neither circuit patent licenses nor indemnity are expressed or implied. Except as set forth in Clare’s Standard Terms and Conditions of
Sale, Clare, Inc. assumes no liability whatsoever, and disclaims any express or implied warranty, relating to its products including, but not limited to, the implied warranty of merchantability,
fitness for a particular purpose, or infringement of any intellectual property right.
The products described in this document are not designed, intended, authorized or warranted for use as components in systems intended for surgical implant into the body, or in other
applications intended to support or sustain life, or where malfunction of Clare’s product may result in direct physical harm, injury, or death to a person or severe property or environmental
damage. Clare, Inc. reserves the right to discontinue or make changes to its products at any time without notice.
Specification: DS-LCA712-R02
©Copyright 2010, Clare, Inc.
OptoMOS® is a registered trademark of Clare, Inc.
All rights reserved. Printed in USA.
7/23/2010
For additional information please visit our website at: www.clare.com
7
LCA712
NOTES:
1. All dimensions carry tolerances of EIA Standard 481-2
2. The tape complies with all “Notes” for constant dimensions listed on page 5 of EIA-481-2
Dimensions
mm
(inches)
Embossment
Embossed
Carrier
330.2 Dia
(13.00 Dia)
Top Cover
Tape Thickness
0.102 Max
(0.004 Max)
W=16.00
(0.63)
B0 = 10.10
(0.398)
A0 = 10.10
(0.398)
P = 12.00
(0.472)
K1 = 3.80
(0.15)
K0 = 4.90
(0.19)
User Direction of Feed
LCA712S Tape & Reel
