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Littelfuse, Inc.

Littelfuse, Inc.- Optocouplers

Littelfuse, Inc., founded in 1927 and headquartered in Chicago, Illinois, USA, is a global leader in circuit protection, power control, and sensing technologies. The company serves virtually every market that uses electrical energy, including automotive, industrial equipment, consumer electronics, and commercial vehicles. Its core product portfolio features the industry’s broadest and deepest range of circuit protection devices, such as automotive blade fuses (ATO, Mini, Maxi series), resettable polymeric positive temperature coefficient (PPTC) devices (PolySwitch series), metal oxide varistors (MOVs), transient voltage suppression (TVS) diodes (SPA and SMBJ families), and electrostatic discharge (ESD) protection arrays. Littelfuse also offers a growing lineup of power semiconductors including silicon carbide (SiC) MOSFETs, rectifiers, and gate drivers, alongside electromechanical sensors like reed switches and Hall effect speed sensors for automotive applications. The company has expanded into heavy-duty switches for commercial vehicles, power distribution centers for mining, and generator control and protection equipment for marine applications. With decades of proven technical expertise and sustained R&D investment, Littelfuse holds a top-tier position in the global circuit protection market, recognized for its reliability and innovation. Its products are critical to ensuring safety and performance in demanding environments, from high-voltage industrial systems to miniature consumer gadgets. Littelfuse operates manufacturing, sales, and engineering facilities worldwide, supporting a diverse customer base with localized solutions. The company is publicly traded on the NASDAQ under the symbol LFUS and continues to strengthen its position through strategic acquisitions and portfolio expansion.

03

Optocouplers - 型号列表

121 parts in total

Series

Package / Case

Current Transfer Ratio (Min)

Output Type

Weight

LED Forward Current

Voltage - Input (Min)

Current Transfer Ratio (Max)

Current - DC Forward (If) (Max)

Current - Input Bias (Max)

Output

Input Type

Power Dissipation (Max)

Current - Average Rectified (Io) (per Diode)

Package Quantity

Other Names

Number of Channels

Power - Average Forward

Mounting Type

Voltage - Supply

Height

Supplier Device Package

Turn On Time

Length - Overall

Number of Positions

Printed Circuit Board

Standard Package

Factory Pack Quantity

RoHS

Voltage - Isolation

Vce Saturation (Max)

Operating Temperature

Voltage - Load

LED Forward Voltage

Width

Length

Current - Output / Channel

Voltage - Forward (Vf) (Max) @ If

Standard Package Name

Shell Size - Insert

Delay Time - OFF

Voltage - Reverse Standoff (Typ)

Voltage - Gate Trigger (Vgt) (Max)

Output Configuration

Mfr Part #Quantity AvailablePriceStandard PackageFactory Pack QuantityRoHSPackagingSeriesManufacturerOutput TypeNumber of ChannelsVoltage - IsolationMounting TypeInput TypePackage / CaseOutputCurrent Transfer Ratio (Min)Current - Average Rectified (Io) (per Diode)Operating TemperatureCurrent Transfer Ratio (Max)Voltage - Input (Min)Power Dissipation (Max)LED Forward CurrentVce Saturation (Max)Current - DC Forward (If) (Max)Current - Input Bias (Max)Power - Average ForwardVoltage - Forward (Vf) (Max) @ IfPackage QuantityTransistor TypeVoltage - BreakdownWeightSpgNumber of UnitsEU RoHSTradenameHeightLengthVoltage - Reverse Standoff (Typ)Voltage - Gate Trigger (Vgt) (Max)Voltage - SupplyWidthMounting StyleVoltage Regulation - LoadLED Forward VoltageTurn On TimeLength - OverallNumber of PositionsShell Size - InsertPrinted Circuit BoardSupplier Device PackageStandard Package NameLead StyleDelay Time - OFFVoltage - Forward (Vf) (Min)Other NamesCurrent - Output / ChannelOutput ConfigurationCircuitLoad CurrentPower - RatedVoltage - LoadVoltage - I/O LowZero Crossing CircuitCurrent - Continuous Drain (Id) @ 25degCTermination StyleRelay TypePropagation Delay tpLH / tpHL (Max)Product CategoryCurrent Rating (Max)Circuit TypeGainVoltage ReferenceCurrent - Collector (Ic) (Max)BandwidthVoltage - TestVoltage RatingCurrent - OutputVoltage - Output (Max)Current - Off State (Max)Current - Peak Pulse (8/20us)Design
LDA210
2
LDA210

Transistor Output Optocouplers optocoupler with a single darlington transistor output OPTOCOUPLER DARL 3.75KVRMS 8DIP Transistor Output Optocouplers Optocoupler Single-Transistor

Littelfuse, Inc.

-5050RoHS CompliantTubeLDA210IXYS Integrated CircuitsDarlington2 Channels3750 VrmsThrough HoleAC/DCDIP-8Photodarlington8500 %1mA+ 85 C30000% @ 1mA1 V150 mW1 mA1V1 mA-150 mW----------------------------CLA186--------------------------
PS2401
3
PS2401

Triac & SCR Output Optocouplers SWITCH OPT ISOL 500V 8-SIP SWITCH OPT ISOL 500V 8-SIP

Littelfuse, Inc.

101: ¥127.4072525RoHS CompliantTubePSIXYS Integrated CircuitsAC2 Channels3750 VrmsThrough Hole-SIP-8PhotoSCR--+ 85 C-1.2VDC-5 mA-5 mA-1600 mW--------Clare3.30 mm19.20 mm--1.2VDC6.35 mmThrough Hole-1.2 VDC-----4-SIP----CLA196--SPST-NO (1 Form A)1A1600 mW0 ~ 500 V2 VYes1 APC PinRelay-Triac & SCR Output Optocouplers1ASPST-NO (1 Form A)-----------
LIA130
2
LIA130

Optically Isolated Amplifiers Linear Optocoupler OPTOCOUPLER PHOTOVO 8DIP Optically Isolated Amplifiers Optically Isolated Linear Error Amp Optocoupler; THT; Channels:1; Out: photodiode; 3.75kV; DIP8 New!

Littelfuse, Inc.

-5050RoHS CompliantTubeLIA130IXYS Integrated CircuitsAC/DC1 Channel3750 VrmsThrough HoleDCDIP-8Phototransistor300 % to 600 %20mA+ 85 C600% @ 5mA0.5 V145 mW20 mA500mV20 mA--1.4 V50optocoupler3.75kV0.93 g501-Clare3.3 mm9.65 mm--1.4 V-Through Hole-------------50mA--------------2 V/V1.24 V50 mA10 KHz-------
PS2601
3
PS2601

Triac & SCR Output Optocouplers AC Switch Relay SSR 100mA 1.4V DC-IN 1A 260V AC-OUT 4-Pin SIP SWITCH OPT ISOL 600V 8-SIP Solid state relay single phase 0.9...1.4 V, PS2601, Ixys Triac & SCR Output Optocouplers 600V, 1mA AC Power Switch

Littelfuse, Inc.

-2525RoHS CompliantTubePS2601IXYS Integrated CircuitsAC2 Channels3750 VrmsThrough HoleDCSIP-8PhotoSCR--+ 85 C-1.2VDC-5 mA-5 mA1001600 mW-SIP-----CompliantClare3.30 mm19.20 mm---6.35 mmThrough Hole--8.319.246.3544-SIPSIPThrough Hole--CLA197--SPST-NO (1 Form A)1A1600 mW0 ~ 600 V2 VYes1 APC PinRelay--------3.750.9...1.4 V1260(RMS)100020SIL8
LDA111
2
LDA111

Transistor Output Optocouplers optocoupler with a single darlington transistor output Optocoupler DC-IN 1-CH Darlington With Base DC-OUT 6-Pin PDIP Tube OPTOCOUPLER DARL 3.75KVRMS 6DIP Optocoupler; THT; Channels:1; Out: Darlington; 3.75kV; DIP6 New! Transistor Output Optocouplers Optocoupler Single-Transistor

Littelfuse, Inc.

1481: ¥9.14555050RoHS CompliantTubeLDA111IXYS Integrated CircuitsDC1 Channel3750 VrmsThrough HoleDCDIP-6Photodarlington300% @ 1mA1mA+ 85 C30000% @ 1mA1 V150 mW0.07 mA1V70 uA10 uA150 mW1.4PDIPoptocoupler3.75kV0.91 g501Compliant---1.4 V1.4 V-6.35Through Hole5-8µs8.3863.36-PDIPThrough Hole345µs----------------------------
LDA211S
2
LDA211S

Transistor Output Optocouplers optocoupler with a single darlington transistor output OPTOCOUPLER DARL 3.75KVRMS 8SMD Transistor Output Optocouplers Optocoupler Single-Transistor

Littelfuse, Inc.

-5050RoHS CompliantTubeLDA211IXYS Integrated CircuitsDarlington2 Channels3750 VrmsSurface MountDCSIP-8Photodarlington300% @ 1mA1mA+ 85 C30000% @ 1mA1 V150 mW0.07 mA1V70 uA100 mA150 mW-----------1.4 V1.4 V--Through Hole---------------------------------------
LOC112
LOC112

High Linearity Optocouplers Linear Optocoupler OPTOCOUPLER LINEAR 3.75KVRMS DIP OPTOISOLATOR 3.75KV PHVOLT 8DIP

Littelfuse, Inc.

681: ¥20.0555050Lead free / RoHS CompliantTubeLOC112IXYS Integrated CircuitsDC1 Channel3750 VrmsThrough HoleACDIP-8Phototransistor0.73% @ 2mA ~ 10mA100mA+ 85 C1.07% @ 2mA ~ 10mA-500 mW10 mA-10 mA100 mA500 mW1.4 V-------Clare3.3 mm9.65 mm5 V5 V1.2 V---1.2 V---------0.9 V--Through Hole------------------------
LDA211
2
LDA211

Transistor Output Optocouplers optocoupler with a single darlington transistor output Optocoupler DC-IN 2-CH Darlington DC-OUT 6-Pin PDIP Tube OPTOCOUPLER DARL 3.75KVRMS 8DIP Optocoupler; THT; Channels:2; Out: Darlington; 3.75kV; DIP8 New! Transistor Output Optocouplers Optocoupler Single-Transistor

Littelfuse, Inc.

-5050RoHS CompliantTubeLDA211IXYS Integrated CircuitsDC2 Channels3750 VrmsThrough HoleDCSIP-8Photodarlington300% @ 1mA1mA+ 85 C30000% @ 1mA1 V150 mW0.07 mA1V70 uA100 mA150 mW1.4PDIPoptocoupler3.75kV0.95 g501Compliant---1.4 V1.4 V-6.35Through Hole5-8µs8.3863.36-PDIPThrough Hole345µs----------------------------
LDA203
LDA203

Transistor Output Optocouplers optocoupler with a single darlington transistor output Optocoupler DC-IN 2-CH Transistor DC-OUT Tube OPTOCOUPLER TRANS 3.75KVRMS 8DIP Transistor Output Optocouplers Optocoupler Single-Transistor Optocoupler; THT; Channels:2; Out: transistor; 3.75kV; DIP8 New!

Littelfuse, Inc.

-5050Lead free / RoHS CompliantTubeLDA203IXYS Integrated CircuitsDC2 Channels3750 VrmsThrough HoleDC8-DIP (0.300", 7.62mm)NPN Phototransistor33% @ 1mA1mA851000% @ 1mA85V150-500mV-1-1.450optocoupler3.75kV1.4 g501Compliant--------5-7µs-------20µs----------------------------
LDA203S
LDA203S

Transistor Output Optocouplers optocoupler with a single darlington transistor output OPTOCOUPLER TRANS 3.75KVRMS 8SMD Transistor Output Optocouplers Optocoupler Single-Transistor

Littelfuse, Inc.

-5050Lead free / RoHS CompliantTubeLDA203IXYS Integrated CircuitsTransistor2 Channels3750 VrmsSurface MountDC8-SMD, Gull WingNPN Phototransistor33% @ 1mA1mA-1000% @ 1mA85V--500mV----------------------------------------------------------
LOC112P
LOC112P

High Linearity Optocouplers Linear Optocoupler OPTOCOUPLER LINEAR 3.75KVRMS SMD Optocoupler; SMD; Channels:1; Out: photodiode; 3.75kV; DIP8 New!

Littelfuse, Inc.

-5050Lead free / RoHS CompliantTubeLOC112IXYS Integrated CircuitsDC1 Channel3750 VrmsSurface MountACFlatpack-8Phototransistor0.73% @ 2mA ~ 10mA100mA+ 85 C1.07% @ 2mA ~ 10mA-500 mW10 mA-10 mA100 mA500 mW1.4 V50optocoupler3.75kV1.4 g501-Clare2.29 mm9.65 mm5 V5 V1.2 V---1.2 V---------0.9 V--Surface Mount------------------------
CPC3140P
CPC3140P

Logic Output Optocouplers Optically Isolated IGBT Gate Drive Circuit OPTOCOUPLER IGBT GATE DRIVE FLPK Logic Output Optocouplers Optically Isolated IGBT Gate Drive Cir

Littelfuse, Inc.

-5050Lead free / RoHS CompliantTube*IXYS Integrated Circuits-------------------------------------------------------------------------
LDA213
LDA213

Transistor Output Optocouplers optocoupler with a single darlington transistor output Optocoupler DC-IN 2-CH Darlington DC-OUT Tube OPTOCOUPLER DARL 3.75KVRMS 8DIP Transistor Output Optocouplers Optocoupler Single-Transistor Optocoupler; THT; Channels:2; Out: Darlington; 3.75kV; DIP8 New!

Littelfuse, Inc.

-5050Lead free / RoHS CompliantTubeLDA213IXYS Integrated CircuitsDC2 Channels3750 VrmsThrough HoleDC8-DIP (0.300", 7.62mm)Photodarlington300% @ 1mA1mA8530000% @ 1mA30V150-1V-1-1.450optocoupler3.75kV0.98 g501Compliant--------5-8µs-------345µs----------------------------
LOC112S
LOC112S

High Linearity Optocouplers Linear Optocoupler OPTOCOUPLER LINEAR 3.75KVRMS SMD

Littelfuse, Inc.

-5050Lead free / RoHS CompliantTubeLOC112IXYS Integrated CircuitsDC1 Channel3750 VrmsSurface MountACSO-8Phototransistor0.73% @ 2mA ~ 10mA100mA+ 85 C1.07% @ 2mA ~ 10mA-500 mW10 mA-10 mA100 mA500 mW1.4 V-------Clare3.3 mm9.65 mm5 V5 V1.2 V---1.2 V---------0.9 V---------------------------
CPC3140GS
CPC3140GS

Logic Output Optocouplers Optically Isolated IGBT Gate Drive Circuit OPTOCOUPLER IGBT GATE DRIVE 8SMD Logic Output Optocouplers Optically Isolated IGBT Gate Drive Cir

Littelfuse, Inc.

-5050Lead free / RoHS CompliantTubeCPC3140IXYS Integrated CircuitsGate Driver1, Unidirectional3750Vrms*DC------------------------------------*-----600mA----------1µs @ 8mA--------------
LDA212S
LDA212S

Transistor Output Optocouplers optocoupler with a single darlington transistor output OPTOCOUPLER DARL 3.75KVRMS 8SMD Transistor Output Optocouplers Optocoupler Single-Transistor

Littelfuse, Inc.

-5050Lead free / RoHS CompliantTubeLDA212IXYS Integrated CircuitsDarlington2 Channels3750 VrmsSurface MountAC, DC8-SMD, Gull WingPhotodarlington300% @ 1mA1mA-30000% @ 1mA30V--1V----------------------------------------------------------
LDA213S
LDA213S

Transistor Output Optocouplers optocoupler with a single darlington transistor output Optocoupler DC-IN 2-CH Darlington DC-OUT Tube OPTOCOUPLER DARL 3.75KVRMS 8SMD Transistor Output Optocouplers Optocoupler Single-Transistor

Littelfuse, Inc.

-5050Lead free / RoHS CompliantTubeLDA213IXYS Integrated CircuitsDC2 Channels3750 VrmsSurface MountDC8-SMD, Gull WingPhotodarlington300% @ 1mA1mA8530000% @ 1mA30V150-1V-1-1.4------Compliant--------5--------------------------------------
LOC117
LOC117

High Linearity Optocouplers SINGLE LINEAR OPTOCOUPLER, 8 PIN OPTOCOUPLER LINEAR 3.75KVRMS DIP Optocoupler; SMD; Channels:1; Out: photodiode; 3.75kV; DIP8 New! High Linearity Optocouplers Single Linear Optocoupler

Littelfuse, Inc.

801: ¥24.2345050Lead free / RoHS CompliantTubeLOC117IXYS Integrated CircuitsDC1 Channel3750 VrmsThrough HoleACDIP-8Phototransistor0.8 % to 3 %2mA ~ 10mA+ 85 C--500 mW10 mA-10 mA-500 mW1.4 V50optocoupler3.75kV1.01 g501-Clare3.3 mm9.65 mm5 V5 V1.2 V---1.2 V---------0.9 V--Through Hole------------------------
LDA102
LDA102

Transistor Output Optocouplers optocoupler with a single darlington transistor output Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin DIP Tube OPTOCOUPLER TRANS 3.75KVRMS 6DIP Transistor Output Optocouplers Optocoupler Single-Transistor Optocoupler; THT; Channels:1; Out: transistor; 3.75kV; DIP6 New!

Littelfuse, Inc.

-5050Lead free / RoHS CompliantTubeLDA102IXYS Integrated CircuitsDC1 Channel3750 VrmsThrough HoleDC6-DIP (0.300", 7.62mm)NPN Phototransistor50% @ 1mA1mA85350(Typ)30V150-500mV-50--DIPoptocoupler3.75kV1.4 g501Compliant------6.35-5--8.3863.36--------------------------------
CPC3140G
CPC3140G

Logic Output Optocouplers Optically Isolated IGBT Gate Drive Circuit OPTICALLY ISOLATED IGBT GATE DRIVE CIRCUIT OPTOCOUPLER IGBT GATE DRIVE 8DIP Logic Output Optocouplers Optically Isolated IGBT Gate Drive Cir

Littelfuse, Inc.

-5050Lead free / RoHS CompliantTubeCPC3140IXYS Integrated CircuitsGate Driver1, Unidirectional3750VrmsThrough HoleDC8-DIP (0.360", 9.14mm)-------------PDIP-----Compliant------6.35----9.6583.388-DIPPDIPThrough Hole---600mA----------1µs @ 8mA--------------
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