LCA125L is a 300V, 170mA, 20Ω 1-Form-A relay. It fea-
tures enhanced peak load current capability with a 300V
peak load voltage. Current limiting version is available.
(“L” suffix)
Features
•
Small 6 Pin DIP Package
•
Low Drive Power Requirements (TTL/CMOS
Compatible)
•
No Moving Parts
•
High Reliability
•
Arc-Free With No Snubbing Circuits
•
3750V
RMS
Input/Output Isolation
•
FCC Compatible
•
VDE Compatible
•
No EMI/RFI Generation
•
Machine Insertable, Wave Solderable
•
Current Limiting Surface Mount and Tape & Reel
Versions Available
Approvals
•
UL Recognized: File Number E76270
•
CSA Certified: File Number LR 43639-10
•
BSI Certified to:
•
BS EN 60950:1992 (BS7002:1992)
Certificate #: 7344
•
BS EN 41003:1993
Certificate #: 7344
Ordering Information
Applications
•
Telecommunications
•
Telecom Switching
•
Tip/Ring Circuits
•
Modem Switching (Laptop, Notebook, Pocket Size)
•
Hookswitch
•
Dial Pulsing
•
Ground Start
•
Ringer Injection
•
Instrumentation
•
Multiplexers
•
Data Acquisition
•
Electronic Switching
•
I/O Subsystems
•
Meters (Watt-Hour, Water, Gas)
•
Medical Equipment-Patient/Equipment Isolation
•
Security
•
Aerospace
•
Industrial Controls
Part #
LCA125L
LCA125LS
LCA125LSTR
Description
6 Pin DIP (50/Tube)
6 Pin Surface Mount (50/Tube)
6 Pin Surface Mount (1000/Reel)
Pin Configuration
LCA125/LCA125L Pinout
AC/DC Configuration
1
2
3
6
5
4
LCA125/125L Pinout
DC Only Configuration
1
2
3
6
5
4
+ Control
– Control
Do Not Use
Load
Do Not Use
Load
+ Control
– Control
Do Not Use
+ Load
– Load
Switching Characteristics of
Normally Open (Form A) Devices
10ms
CONTROL
LOAD 10%+
+90%
10%+
T
ON
T
OFF
DS-LCA125L-R4
www.clare.com
1
LCA125L
Absolute Maximum Ratings (@ 25˚ C)
Parameter
Input Power Dissipation
Input Control Current
Peak (10ms)
Reverse Input Voltage
Total Power Dissipation
Isolation Voltage
Input to Output
Operational Temperature
Storage Temperature
Soldering Temperature
DIP Package
Surface Mount Package
(10 Seconds Max.)
1
2
Min
-
-
-
-
-
3750
-40
-40
-
-
Typ Max Units
-
-
-
-
-
-
-
-
-
-
150
1
50
1
5
800
2
-
+85
+125
+260
+220
mW
mA
A
V
mW
V
RMS
°C
°C
°C
°C
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 these
or any other conditions beyond those indicated in the
operational sections of this data sheet is not implied.
Exposure of the device to the absolute maximum ratings
for an extended period may degrade the device and effect
its reliability.
Derate Linearly 1.33 mw/˚C
Derate Linearly 6.67 mw/˚C
Electrical Characteristics
Parameter
Output Characteristics @ 25°C
Load Voltage (Peak)
Load Current (Continuous)
AC/DC Configuration
DC Configuration
Peak Load Current
On-Resistance
AC/DC Configuration
DC Configuration
Off-State Leakage Current
Switching Speeds
Turn-On
Turn-Off
Output Capacitance
Load Current Limiting
Input Characteristics @ 25°C
Input Control Current
Input Dropout Current
Input Voltage Drop
Reverse Input Voltage
Reverse Input Current
Input to Output Capacitance
Input to Output Isolation
I
L
=170mA
-
I
F
=5mA
-
V
R
=5V
-
-
I
F
-
V
F
V
R
I
R
C
I/O
V
I/O
5
0.4
0.9
-
-
-
3750
-
0.7
1.2
-
-
3
-
50
-
1.4
5
10
-
-
mA
mA
V
V
µA
pF
V
RMS
-
-
-
10ms
I
L
=170mA
I
L
=300mA
V
L
=300V
I
F
=5mA, V
L
=10V
I
F
=5mA, v
L
=10V
50V; f=1MHz
V
L
I
L
I
L
I
L
R
ON
R
ON
I
LEAK
T
ON
T
OFF
C
OUT
I
CL
-
-
-
-
-
-
-
-
-
-
190
-
-
-
-
12
4
-
-
-
50
235
300
170
300
-
20
6
1
5
5
-
280
V
mA
mA
mA
Ω
Ω
µA
ms
ms
-pF
mA
Conditions
Symbol
Min
Typ
Max
Units
2
www.clare.com
Rev. 4
LCA125L
PERFORMANCE DATA*
35
30
Device Count (N)
LCA125L
Typical LED Forward Voltage Drop
(N=50 Ambient Temperature = 25°C)
I
F
= 5mADC
35
30
Device Count (N)
LCA125L
Typical On-Resistance Distribution
(N=50 Ambient Temperature = 25°C)
(Load Current = 170mADC; I
F
= 5mA)
LCA125L
Typical Blocking Voltage Distribution
(N=50 Ambient Temperature = 25°C)
35
30
Device Count (N)
25
20
15
10
5
0
25
20
15
10
5
0
1.17
1.19
1.21
1.23
1.25
LED Forward Voltage Drop (V)
25
20
15
10
5
0
14.0
14.4
14.8
15.2
15.6
On-Resistance (Ω)
380
384
388
392
396
400
Blocking Voltage (V)
LCA125L
Typical I
F
for Switch Operation
(N=50 Ambient Temperature = 25°C)
(Load Current = 170mADC)
40
35
Device Count (N)
Device Count (N)
25
20
15
10
5
0
0.73
0.88
1.03
1.18
1.33
1.48
1.63
LCA125L
Typical I
F
for Switch Dropout
(N=50 Ambient Temperature = 25°C)
(Load Current = 170mADC)
30
25
Device Count (N)
0.3
0.5
0.7
0.9
1.1
1.3
1.5
20
15
10
LCA125L
Typical Turn-On Time
(N=50 Ambient Temperature = 25°C)
(Load Current = 170mADC; I
F
= 5mADC)
30
25
20
15
10
5
0
LED Current (mA)
5
0
0.23
0.32
0.41
0.50
0.59
0.68
0.77
LED Current (mA)
Turn-On (ms)
35
30
25
20
15
10
LCA125L
Typical Turn-Off Time
(N=50 Ambient Temperature = 25°C)
(Load Current = 170mADC; I
F
= 5mADC)
Load Current (mA)
LCA125L
Typical Load Current vs. Temperature
300
250
200
150
100
50
0
Leakage (µA)
0.18
0.16
0.14
0.12
0.10
0.08
0.06
-40
-20
0
20
40
60
80
100
120
-40
LCA125L
Typical Leakage vs. Temperature
(Measured across Pins 4 & 6)
Device Count (N)
20mA
10mA
5mA
5
0
0.06
0.10
0.14
0.18
0.22
0.26
0.30
Turn-Off (ms)
-20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
LCA125L
Typical Blocking Voltage
vs. Temperature
400
Blocking Voltage (V
RMS
)
395
Turn-On (ms)
390
385
380
375
-40
-20
0
20
40
60
80
100
Temperature (°C)
0.6
0.5
0.4
0.3
0.2
0.1
0
-40
LCA125L
Typical Turn-On vs. Temperature
(Load Current = 170mADC)
0.30
5mA
0.25
Turn-Off (ms)
10mA
LCA125L
Typical Turn-Off vs. Temperature
(Load Current = 170mADC)
0.20
0.15
0.10
0.05
20mA
-20
0
20
40
60
80
100
0
-40
-20
0
20
40
60
Temperature (°C)
5mA
80
100
Temperature (°C)
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.
Rev. 4
www.clare.com
3
LCA125L
PERFORMANCE DATA*
LCA125L
Typical LED Forward Voltage Drop
vs. Temperature
LED Forward Voltage Drop (V)
1.8
1.6
Turn-On (ms)
LCA125L
Typical Turn-On vs. LED Forward Current
(Load Current = 170mADC)
0.40
0.35
0.30
0.25
0.20
0.15
0.10
LCA125L
Typical Turn-Off vs. LED Forward Current
(Load Current = 170mADC)
0.160
0.150
Turn-Off (ms)
0
2
4
6
8
10
12
14
16
18
20
1.4
1.2
1.0
0.8
-40
-20
0
20
40
60
80
100
120
Temperature (°C)
0.140
0.130
0.120
0.110
0.100
0
2
4
6
8
10
12
14
16
18
20
50mA
30mA
20mA
10mA
5mA
LED Forward Current (mA)
LED Forward Current (mA)
60
On-Resistance (Ω)
LCA125L
Typical On-Resistance vs. Temperature
(Load Current = 170mADC; I
F
= 5mADC)
LCA125L
Typical I
F
for Switch Operation
vs. Temperature
(Load Current = 170mADC)
3.000
2.500
LED Current (mA)
LED Current (mA)
2.000
1.500
1.000
0.500
0
3.000
2.500
2.000
1.500
1.000
0.500
0
-40
-20
0
20
40
60
80
100
-40
LCA125L
Typical I
F
for Switch Dropout
vs. Temperature
(Load Current = 170mADC)
50
40
30
20
10
0
-40
-20
0
20
40
60
80
100
Temperature (°C)
-20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
200
150
LCA125L
Typical Load Current vs. Load Voltage
(Ambient Temperature = 25°C)
I
F
= 5mADC
LCA125L
Energy Rating Curve
1.2
1.0
Load Current (A)
0.8
0.6
0.4
0.2
0
10µs 100µs 1ms 10ms 100ms
Time
1s
10s 100s
Current (mA)
400
350
300
250
200
150
100
50
0
LCA125L
Typical Current Limiting vs. Temperature
I
F
= 5mADC
Load Current (mA)
100
50
0
-50
-100
-150
-200
-2.5 -2.0 -1.5 -1.0 -0.5
0
0.5 1.0 1.5 2.0 2.5
-40
-20
0
20
40
60
80
100
Load Voltage (V)
Temperature (°C)
*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.
4
www.clare.com
Rev. 4
LCA125L
Mechanical Dimensions
6 Pin DIP Through Hole (Standard)
7.620
±
.254
(.300
±
.010)
3.302
(.130)
6.350
±
.127
(.250
±
.005)
9.144
±
.508
(.360
±
.020)
8.382
±
.635
(.330
±
.025)
2.540
±
.127
(.100
±
.005)
PC Board Pattern
(Top View)
6-.800 DIA.
(6-.031 DIA.)
9.144
(.360)
6.350
±
.127
(.250
±
.005)
2.540
±
.127
(.100
±
.005)
7.620
±
.127
(.300
±
.005)
7.239 TYP.
(.285)
.457
±
.076
(.018
±
.003)
5.080
±
.127
(.200
±
.005)
6 Pin DIP Surface Mount (“S” Suffix)
7.620
±
.254
(.300
±
.010)
4.445
±
.127
(.175
±
.005)
3.302
(.130)
.635 TYP.
(.025)
.254 TYP.
(.010)
6.350
±
.127
(.250
±
.005)
8.382
±
.635
(.330
±
.025)
2.540
±
.127
(.100
±
.005)
PC Board Pattern
(Top View)
2.540
±
.127
(.100
±
.005)
9.525
±
.254
(.375
±
.010)
1.905
±
.127
(.075
±
.005)
8.305
±
.127
(.327
±
.005)
.457
±
.076
(.018
±
.003)
1.499
±
.127
(.059
±
.005)
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