LCB127
250V, 200mA Single-Pole
Normally Closed Relay
INTEGRATED
CIRCUITS
DIVISION
Description
Parameter
Blocking Voltage
Load Current
Ratings
250
Units
The LCB127 is a 250V, 200mA, 10, single-pole,
normally closed (1-Form-B) Solid State Relay that
features enhanced peak load current capability. It
employs optically coupled MOSFET technology to
provide 3750Vrms of input to output isolation.
VP
mArms / mADC
200
On-Resistance (max)
10
Features
• 3750Vrms Input/Output Isolation
• Low Drive Power Requirements
• Greater Reliability than Electromechanical Relays
• FCC Compatible
• VDE Compatible
• No EMI/RFI Generation
• Small 6-Pin Package
• Flammability Rating UL 94 V-0
• Surface Mount Tape & Reel Versions Available
Its optically coupled outputs, which use the patented
OptoMOS architecture, are controlled by a highly
efficient infrared LED.
This OptoMOS relay provides a more compact design
solution than discrete single-pole relays in a variety of
applications, and saves board space over conventional
electromechanical relays.
Approvals
• UL Recognized Component: File E76270
• CSA Certified Component: Certificate 1175739
• TUV EN 62368-1: Certificate # B 082667 0008
Applications
• Telecommunications
• Telecom Switching
• Tip/Ring Circuits
Ordering Information
• Modem Switching (Laptop, Notebook, Pocket Size)
• Hook Switch
• Dial Pulsing
• Ground Start
• Ringing Injection
Part #
LCB127
Description
6-Pin DIP (50/Tube)
LCB127S
LCB127STR
6-Pin Surface Mount (50/Tube)
6-Pin Surface Mount (1,000/Reel)
• Instrumentation
• Multiplexers
• Data Acquisition
Pin Configuration
AC/DC Configuration
• Electronic Switching
• I/O Subsystems
• Meters (Watt-Hour, Water, Gas)
• Medical Equipment-Patient/Equipment Isolation
• Security
1
2
3
6
5
4
+ Control
– Control
Load
Do Not Use
Load
Do Not Use
• Industrial Controls
DC Only Configuration
1
2
3
6
5
4
+ 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-LCB127-R07
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