OptoMOS 1-Form-A (SPST-NO) Solid State Relays

Littelfuse offers an extensive portfolio of 1-Form-A (SPST-NO) Solid State Relays (SSRs) in various PC board-mount package sizes. These relays feature load current ratings from 50mA to 9A (20A with heat sink), and 30V to 1000V load voltage ratings. 1-Form-A relays are available in SOP-4, SIP-4, SMD DIP-4, SMD DIP-6, SOIC-16, Power i4-PAC, and ISOPLUS-264 packages. Fault-protected SSRs with active current limit and thermal shutdown are also available from Littelfuse to offer robust and rugged switching solutions.

Mga Resulta: 288
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Series
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 6PIN DIP
Datasheet
16,912May Stock
Min.: 1
Mult.: 1

Tube PCB Mount 120 mA 350 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC DIP-6 MOSFET 50 mA - 40 C + 85 C 8.382 mm (0.33 in) 6.35 mm (0.25 in) 3.302 mm (0.13 in) LCA110
IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA
Datasheet
14,028May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 1,000

Reel, Cut Tape, MouseReel PCB Mount 120 mA 350 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SMD DIP-6 MOSFET 50 mA - 40 C + 85 C 8.382 mm (0.33 in) 6.35 mm (0.25 in) 3.302 mm (0.13 in) LCA110
IXYS Integrated Circuits Solid State Relays - PCB Mount SP-NO SS OptoMOS Relay
Datasheet
5,051May Stock
Min.: 1
Mult.: 1

Tube PCB Mount 1.5 A 100 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SMD DIP-6 MOSFET 50 mA - 40 C + 85 C 8.382 mm (0.33 in) 6.35 mm (0.25 in) 3.302 mm (0.13 in) LCA701
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 1000 mA SSR w/optic MOSFET
Datasheet
6,823May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 1,000

Reel, Cut Tape, MouseReel PCB Mount 1 A 60 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SMD DIP-6 MOSFET 50 mA - 40 C + 85 C 8.382 mm (0.33 in) 6.35 mm (0.25 in) 3.302 mm (0.13 in) LCA710
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 2200mA SSR w/optic MOSFET
Datasheet
10,054May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 1,000

Reel, Cut Tape, MouseReel PCB Mount 2.2 A 60 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SMD DIP-6 MOSFET 50 mA - 40 C + 85 C 8.382 mm (0.33 in) 6.35 mm (0.25 in) 3.302 mm (0.13 in) LCA715
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 6PIN DIP
Datasheet
5,171May Stock
900Inaasahan 2/13/2026
Min.: 1
Mult.: 1

Tube PCB Mount 250 mA 400 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC DIP-6 MOSFET 50 mA - 40 C + 85 C 8.382 mm (0.33 in) 6.35 mm (0.25 in) 3.302 mm (0.13 in) PLA140
IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 800V 100mA
Datasheet
19,327May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 1,000

Reel, Cut Tape, MouseReel PCB Mount 180 mA 800 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC MOSFET 50 mA - 40 C + 85 C 8.382 mm (0.33 in) 6.35 mm (0.25 in) 3.302 mm (0.13 in) PLA170
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A SSR 4-Pin SOP
Datasheet
19,004May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 2,000

Reel, Cut Tape, MouseReel PCB Mount 75 mA 60 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.184 mm (0.086 in) CPC1006
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 100V 300mA Solid State Relay
Datasheet
3,508May Stock
4,000Inaasahan 8/17/2026
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 2,000

Reel, Cut Tape, MouseReel PCB Mount 300 mA 100 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SOP-4 MOSFET 50 mA - 40 C + 110 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.184 mm (0.086 in) CPC1004
IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 100V 150mA SSR
Datasheet
5,786May Stock
Min.: 1
Mult.: 1

Tube PCB Mount 150 mA 100 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.184 mm (0.086 in) CPC1009
IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 100V 150mA SSR
Datasheet
5,299May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 2,000

Reel, Cut Tape, MouseReel PCB Mount 150 mA 100 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.184 mm (0.086 in) CPC1009
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 100V 100mA Solid State Relay
Datasheet
5,582May Stock
Min.: 1
Mult.: 1

Tube PCB Mount 100 mA 100 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.184 mm (0.086 in) CPC1016
IXYS Integrated Circuits Solid State Relays - PCB Mount RELAY OPTO NSOIC4 30V 1.2A
Datasheet
5,039May Stock
Min.: 1
Mult.: 1

Tube PCB Mount 1.2 A 30 VDC 1 Form A (SPST-NO) 900 mVDC to 1.5 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.03 mm (0.08 in) CPC1020
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 400V 120mA Solid State Relay
Datasheet
2,600May Stock
6,400Inoorder
Min.: 1
Mult.: 1

Tube PCB Mount 120 mA 400 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.184 mm (0.086 in) CPC1025
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 4PIN SOP
Datasheet
3,472May Stock
1,400Inaasahan 8/4/2026
Min.: 1
Mult.: 1

Tube PCB Mount 120 mA 350 VDC 1 Form A (SPST-NO) 900 mVDC to 1.5 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.03 mm (0.08 in) CPC1030
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 350V 120mA Solid State Relay
Datasheet
5,758May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 2,000

Reel, Cut Tape, MouseReel PCB Mount 120 mA 350 VDC 1 Form A (SPST-NO) 900 mVDC to 1.5 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.03 mm (0.08 in) CPC1030
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 350V 100mA Solid State Relay
Datasheet
8,002May Stock
4,000Inaasahan 5/4/2026
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 2,000

Reel, Cut Tape, MouseReel PCB Mount 120 mA 350 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.184 mm (0.086 in) CPC1035
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 400V 120mA Solid State Relay
Datasheet
3,597May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 2,000

Reel, Cut Tape, MouseReel PCB Mount 120 mA 400 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.184 mm (0.086 in) CPC1225
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 4PIN SOP
Datasheet
1,985May Stock
Min.: 1
Mult.: 1

Tube PCB Mount 120 mA 350 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.184 mm (0.086 in) CPC1230
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 350V 120mA Solid State Relay
Datasheet
4,355May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 2,000

Reel, Cut Tape, MouseReel PCB Mount 120 mA 350 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SOP-4 MOSFET 50 mA - 40 C + 85 C 4.089 mm (0.161 in) 3.81 mm (0.15 in) 2.184 mm (0.086 in) CPC1230
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A; 600V,120mA 5000Vrms Isolation
Datasheet
4,070May Stock
2,000Inaasahan 5/7/2026
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 1,000

Reel, Cut Tape, MouseReel PCB Mount 120 mA 600 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC MOSFET 50 mA - 40 C + 85 C 6.35 mm (0.25 in) 4.572 mm (0.18 in) 3.3 mm (0.13 in) CPC1394
IXYS Integrated Circuits Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay
Datasheet
3,368May Stock
Min.: 1
Mult.: 1

Tube PCB Mount 120 mA 350 VDC 1 Form A (SPST-NO) 900 mVDC to 1.5 VDC SMD DIP-6 MOSFET 50 mA - 40 C + 85 C 8.382 mm (0.33 in) 6.35 mm (0.25 in) 3.302 mm (0.13 in) CPC1540
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 600mA Solid State Relay
Datasheet
5,361May Stock
Min.: 1
Mult.: 1

Tube PCB Mount 600 mA 60 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC MOSFET 50 mA - 40 C + 85 C 9.652 mm (0.38 in) 6.35 mm (0.25 in) 3.302 mm (0.13 in) CPC1560
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A; 60V, 4ADC 2500Vrms Isolation
Datasheet
4,192May Stock
Min.: 1
Mult.: 1

Tube PCB Mount 4 A 60 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SIP-4 MOSFET 50 mA - 40 C + 85 C 21.082 mm (0.83 in) 3.302 mm (0.13 in) 10.16 mm (0.4 in) CPC1706
IXYS Integrated Circuits Solid State Relays - PCB Mount DC Only Single Pole i4-PAC
Datasheet
607May Stock
Min.: 1
Mult.: 1

Tube PCB Mount 4 A 60 VDC 1 Form A (SPST-NO) 900 mVDC to 1.56 VDC i4-PAC MOSFET 50 mA - 40 C + 85 C 19.914 mm (0.784 in) 5.029 mm (0.198 in) 20.879 mm (0.822 in) CPC1708