LCB111
350V, 120mA Single-Pole,
Normally Closed Relay
INTEGRATED
CIRCUITS
DIVISION
Parameter
Blocking Voltage
Load Current
Rating
350
120
2
Units
VP
Description
LCB111 is a 350V, 120mA, 35, normally closed
(1-Form-B) solid state relay featuring high sensitivity.
It uses optically coupled relay technology to provide
a 3750Vrms isolation barrier between the input and
the output of the relay.
mArms / mADC
Input Control Current
On-Resistance (max)
mA
35
Features
• Low Input Control Current: 2mA
• 3750Vrms Input/Output Isolation
• Low Drive Power Requirements
Its optically coupled outputs, which use the patented
OptoMOS architecture, are controlled by a highly
efficient infrared LED.
• Greater Reliability than Electromechanical Relays
• FCC Compatible
• VDE Compatible
• No EMI/RFI Generation
• Small 6-Pin Package
The LCB111 can be used to replace mechanical
relays, and offers the superior reliability associated
with semiconductor devices. Because it has no moving
parts, it can offer faster, bounce-free switching in a
more compact surface mount or thru-hole package.
• Flammability Rating UL 94 V-0
• Tape & Reel, Surface Mount Version Available
Approvals
• UL Recognized Component: File # E76270
• TUV EN 62368-1: Certificate # B 082667 0008
Applications
• Telecommunications
• Telecom Switching
• Tip/Ring Circuits
• Modem Switching (Laptop, Notebook, Pocket Size)
• Hook Switch
Ordering Information
Part #
LCB111
Description
6-Pin DIP (50/Tube)
LCB111S
LCB111STR
6-Pin Surface Mount (50/Tube)
6-Pin Surface Mount (1000/Reel)
• 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
Pin Configuration
AC/DC Configuration
1
2
3
6
5
4
+ Control
– Control
Load
Do Not Use
Load
Do Not Use
DC Only Configuration
1
2
3
6
5
4
• Industrial Controls
+ Control
– Control
+ Load
– Load
Do Not Use
Switching Characteristics of Normally
Closed Devices
Form-B
IF
ILOAD
90%
10%
t
t
on
off
1
DS-LCB111-R11
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