LBA120L
Dual Single-Pole OptoMOS® Relay
www.clare.com
DS-LBA120L-R04 1
Part # Description
LBA120L 8-Pin DIP (50/Tube)
LBA120LS 8-Pin Surface Mount (50/Tube)
LBA120LSTR 8-Pin Surface Mount (1,000/Reel)
Parameter Ratings Units
Blocking Voltage 250 VP
Load Current 170 mA
Max RON 20 Ω
Applications
Features
Description
Approvals
Ordering Information
Pin Configuration
• Current Limited
• 3750Vrms Input/Output Isolation
• Small 8-Pin Package
• Low Drive Power Requirements (TTL/CMOS
Compatible)
• High Reliability
• Arc-Free With No Snubbing Circuits
• FCC Compatible
• VDE Compatible
• No EMI/RFI Generation
• Machine Insertable, Wave Solderable
• Surface Mount, Tape & Reel Version Available
• 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
LBA120L comprises two independent 250V, 170mA,
20Ω solid state relays: one single-pole, normally open
(1-Form-A) current limited relay and one single-pole,
normally closed (1-Form-B) relay.
LBA120L is designed to provide an ideal solution
where a complementary Form-A/Form-B relay pair is
required.
• UL Recognized Component: File E76270
• CSA Certified Component: Certificate 1175739
• EN/IEC 60950-1 Certified Component
TUV Certificate B 09 07 49410 004
RoHS
2002/95/EC e3
Pb
Switching Characteristics of
Normally Closed Devices
Form-B
I
F
10%
90%
I
LOAD
t
on
t
off
Form-A
I
F
I
LOAD
10%
90%
t
on
t
off
Switching Characteristics of
Normally Open Devices
1
2
3
4
8
7
6
5
+ Control - Normally Closed
– Control - Normally Closed
+ Control - Normally Open
– Control - Normally Open
Normally Closed Pole
Normally Open Pole
AC/DC Configuration