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.

Results: 167
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Packaging Mounting Style Load Current Rating Load Voltage Rating Relay Contact Form Control Voltage Range Package/Case Output Type Input Current Minimum Operating Temperature Maximum Operating Temperature Length Width Height Series
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 4PIN SOP 27.969In Stock
3,01 €
2,24 €
2,15 €
1,86 €
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) CPC1035
IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole 9.758In Stock
Cut Tape
7,55 €
6,73 €
6,42 €
6,20 €
Reel
4,39 €
Min.: 1
Mult.: 1
: 1.000
Reel, Cut Tape, MouseReel PCB Mount 120 mA 350 VDC 2 Form A (DPST-NO) 900 mVDC to 1.4 VDC SMD DIP-8 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) LAA110
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 400mA Solid State Relay 193.689In Stock
2,73 €
2,07 €
2,06 €
2,05 €
Min.: 1
Mult.: 1
Tube PCB Mount 400 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) CPC1014
IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Single OptoMOS Relay 10.703In Stock
Cut Tape
3,13 €
2,80 €
2,67 €
2,54 €
Reel
1,93 €
Min.: 1
Mult.: 1
: 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-4 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) CPC1330
IXYS Integrated Circuits Solid State Relays - PCB Mount 100V Single Pole 100V Power Relay 7.144In Stock
7.550Expected 2/1/2027
19,02 €
17,09 €
14,01 €
13,61 €
Min.: 1
Mult.: 1
Tube PCB Mount 5.25 A 100 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC ISOPLUS264 MOSFET 100 mA - 40 C + 85 C 19.914 mm (0.784 in) 5.029 mm (0.198 in) 26.162 mm (1.03 in) CPC1918
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 100V 100mA Solid State Relay 22.193In Stock
Cut Tape
2,59 €
2,32 €
2,19 €
2,12 €
Reel
1,57 €
Min.: 1
Mult.: 1
: 2.000
Reel, Cut Tape, MouseReel 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 SPST NO Relay 41.212In Stock
4,43 €
3,36 €
3,21 €
3,12 €
Min.: 1
Mult.: 1
Tube PCB Mount 600 mA 60 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) CPC1018
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 350V 100mA Solid State Relay 8.648In Stock
Cut Tape
2,77 €
2,49 €
2,37 €
2,27 €
Reel
1,63 €
Min.: 1
Mult.: 1
: 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 600V 6-Pin SM 978In Stock
5,61 €
5,00 €
4,77 €
3,96 €
Min.: 1
Mult.: 1
Tube PCB Mount 120 mA 600 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) CPC1593
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST i4-PAC 60V 200In Stock
18,10 €
16,13 €
15,41 €
14,88 €
Min.: 1
Mult.: 1
Tube PCB Mount 3.5 A 60 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC ISOPLUS264 MOSFET 100 mA - 40 C + 85 C 19.914 mm (0.784 in) 5.029 mm (0.198 in) 20.879 mm (0.822 in) CPC1908
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST 1 Form A 611In Stock
8,39 €
7,77 €
7,50 €
7,31 €
Min.: 1
Mult.: 1
Tube PCB Mount 200 mA 250 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC DIP-8 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) LAA127
IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Single OptoMOS Relay 1.570In Stock
500Expected 1/13/2027
2,63 €
2,48 €
2,39 €
2,32 €
Min.: 1
Mult.: 1
Tube PCB Mount 120 mA 350 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SMD DIP-4 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) CPC1330
IXYS Integrated Circuits Solid State Relays - PCB Mount DC Only Single Pole i4-PAC 186In Stock
17,96 €
16,00 €
13,91 €
13,45 €
Min.: 1
Mult.: 1
Tube PCB Mount 1.5 A 600 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 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) CPC1777
IXYS Integrated Circuits Solid State Relays - PCB Mount 250V, 1-Form-A SSR 3.837In Stock
3,52 €
3,14 €
2,99 €
2,87 €
Min.: 1
Mult.: 1
Tube PCB Mount 170 mA 250 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) 2.03 mm (0.08 in) CPC10
IXYS Integrated Circuits Solid State Relays - PCB Mount 1000V Single Pole 1000V Power Relay 160In Stock
31,82 €
28,50 €
28,47 €
27,04 €
23,56 €
Min.: 1
Mult.: 1
Tube PCB Mount 650 mA 1 kVDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC i4-PAC MOSFET 100 mA - 40 C + 85 C 19.914 mm (0.784 in) 5.029 mm (0.198 in) 20.879 mm (0.822 in) CPC1986
IXYS Integrated Circuits Solid State Relays - PCB Mount SP, NO ISOPLUS-264 208In Stock
24,05 €
21,23 €
20,56 €
20,16 €
Min.: 1
Mult.: 1
Tube PCB Mount 2.7 A 250 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC ISOPLUS264 MOSFET 100 mA - 40 C + 85 C 19.914 mm (0.784 in) 5.029 mm (0.198 in) 26.162 mm (1.03 in) CPC1927
IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Single OptoMOS Relay 439In Stock
3,36 €
2,53 €
2,50 €
2,12 €
Min.: 1
Mult.: 1
Tube PCB Mount 120 mA 350 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC DIP-4 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) CPC1330
IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole 149In Stock
9,24 €
8,66 €
7,70 €
7,30 €
Min.: 1
Mult.: 1
Tube PCB Mount 120 mA 350 VDC 2 Form A (DPST-NO) 900 mVDC to 1.4 VDC DIP-8 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) LAA100
IXYS Integrated Circuits Solid State Relays - PCB Mount RELAY OPTO 170MA SP-NO 6-SMD 160In Stock
6,14 €
4,68 €
4,48 €
4,34 €
4,33 €
Min.: 1
Mult.: 1
Tube PCB Mount 170 mA 300 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) LCA125
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A SSR 4-Pin SOP 127.229In Stock
1,08 €
0,972 €
0,929 €
0,894 €
Min.: 1
Mult.: 1
Tube 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 SPST-NO 4PIN SOP 62.444In Stock
2,10 €
1,95 €
1,89 €
1,85 €
1,73 €
Min.: 1
Mult.: 1
Tube PCB Mount 150 mA 100 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) CPC1008
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 400V 120mA Solid State Relay 92.606In Stock
Cut Tape
2,67 €
2,37 €
2,26 €
2,18 €
Reel
1,72 €
Min.: 1
Mult.: 1
: 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) CPC1025
IXYS Integrated Circuits Solid State Relays - PCB Mount Single Pole Relay 400V 140mA 9.676In Stock
Cut Tape
3,58 €
3,20 €
3,05 €
2,94 €
Reel
2,59 €
Min.: 1
Mult.: 1
: 1.000
Reel, Cut Tape, MouseReel PCB Mount 140 mA 400 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC SMD DIP-4 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) CPC1390
IXYS Integrated Circuits Solid State Relays - PCB Mount 1000V Single Pole 1000V Power Relay 583In Stock
34,74 €
33,34 €
31,83 €
30,74 €
Min.: 1
Mult.: 1
Tube PCB Mount 900 mA 1 kVDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC i4-PAC MOSFET 100 mA - 40 C + 85 C 19.914 mm (0.784 in) 5.029 mm (0.198 in) 26.162 mm (1.03 in) CPC1988
IXYS Integrated Circuits Solid State Relays - PCB Mount 60V 1000mA Dual Single-Pole 4.928In Stock
16,63 €
14,82 €
14,16 €
13,66 €
Min.: 1
Mult.: 1
Tube PCB Mount 1 A 60 VDC 2 Form A (DPST-NO) 900 mVDC to 1.4 VDC SMD DIP-8 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) LAA710