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LBA120
DUAL POLE OptoMOS® Relay
Load Voltage
Load Current
Max RON
LBA120
250
170
20
Units
V
mA
Ω
Description
LBA120 is 250V, 170mA, 20Ω independent 1-Form-A and
1-Form-B relays. It features low on-resistance combined
with enhanced peak load current handling capabilities.
Current limiting version is available (“L” suffix, see speci-
fication for variations in performance).
Features
• Small 8 Pin DIP Package
• Low Drive Power Requirements (TTL/CMOS
Compatible)
• No Moving Parts
• High Reliability
• Arc-Free With No Snubbing Circuits
• 3750VRMS Input/Output Isolation
• FCC Compatible
• VDE Compatible
• No EMI/RFI Generation
• Machine Insertable, Wave Solderable
• 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
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
Ordering Information
Part #
LBA120
LBA120P
LBA120PTR
LBA120S
LBA120STR
Description
8 Pin DIP (50/Tube)
8 Pin Flatpack (50/Tube)
8 Pin Flatpack (1000/Reel)
8 Pin Surface Mount (50/Tube)
8 Pin Surface Mount (1000/Reel)
Pin Configuration
LBA120 Pinout
AC/DC Configuration
1
+ Control - Normally Closed
2
– Control - Normally Closed
3
+ Control - Normally Open
4
– Control - Normally Open
8
Normally Closed Pole
7
6
Normally Open Pole
5
Switching Characteristics of
Normally Open (Form A) Devices
CONTROL
10ms
Switching Characteristics of
Normally Closed (Form B) Devices
CONTROL
10ms
+90%
LOAD 10%+
10%+
TON TOFF
+90%
+10%
TOFF
+90%
TON
DS-LBA120-R5
www.clare.com
1
LBA120
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 Derate Linearly 1.33 mw/˚C
2 Derate Linearly 6.67 mw/˚C
Min Typ Max Units
- - 1501 mW
- - 50 mA
- -1 A
- -5 V
- - 8002 mW
3750
-40
-40
- - VRMS
- +85 °C
- +125 °C
- - +260 °C
- - +220 °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.
Electrical Characteristics
Parameter
Conditions
Symbol Min Typ Max
Output Characteristics @ 25°C
Load Voltage (Peak)
Load Current*(Continuous)
AC/DC Configuration
Peak Load Current
On-Resistance
AC/DC Configuration
Off-State Leakage Current
Switching Speeds
Turn-On
Turn-Off
Output Capacitance
Input Characteristics @ 25°C
-
-
10ms
IL=170mA
VL=250V
IF=5mA, VL=10V
IF=5mA, VL=10V
50V; f=1MHz
VL
IL
ILPK
RON
ILEAK
TON
TOFF
COUT
- - 250
- - 170
- - 400
- 16 20
- -1
- -5
- -5
- 50 -
Input Control Current
Input Dropout Current
IL=120mA
-
IF 5 - 50
-
0.4 0.7
-
Input Voltage Drop
Reverse Input Voltage
Reverse Input Current
Input to Output Capacitance
Input to Output Isolation
IF=5mA
-
VR=5V
-
-
VF 0.9 1.2 1.4
VR - - 5
IR - - 10
CI/O - 3 -
VI/O 3750 -
-
*NOTE: If both poles operate simultaneously load current must be derated so as not to exceed the package power dissipation value.
Units
V
mA
mA
Ω
µA
ms
ms
pF
mA
mA
V
V
µA
pF
VRMS
2 www.clare.com
Rev. 5
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