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: 268
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 RELAY, SS ICS
12 866On Order
9,42 €
8,76 €
8,02 €
7,74 €
Min.: 1
Mult.: 1
Tube PCB Mount 500 mA 600 VDC 1 Form A (SPST-NO) 900 mVDC to 1.5 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) CPC1983
IXYS Integrated Circuits Solid State Relays - PCB Mount 100V 300mA Double Pole Relay
7 000On Order
Cut Tape
4,58 €
4,14 €
3,82 €
3,62 €
Reel
3,02 €
Min.: 1
Mult.: 1
: 1 000
Reel, Cut Tape, MouseReel PCB Mount 300 mA 100 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) LAA108
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A SSR
707On Order
10,22 €
8,98 €
8,56 €
8,18 €
Min.: 1
Mult.: 1
Tube PCB Mount 1.5 A 100 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) LCA701
IXYS Integrated Circuits Solid State Relays - PCB Mount Single Pole OptoMOS 1-Form-A, 60V, 1A
946Expected 02/12/2026
8,59 €
8,08 €
7,24 €
6,89 €
Min.: 1
Mult.: 1
Tube PCB Mount 1 A 60 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) LCA710
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 1000 mA SSR w/optic MOSFET Lead-Time 36 Weeks
Cut Tape
9,67 €
8,62 €
8,23 €
7,93 €
Reel
6,45 €
Min.: 1
Mult.: 1
: 1 000
Reel, Cut Tape, MouseReel PCB Mount 1 A 60 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) LCA712
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form 30V 2000 mA Solid State Relay
2 080Expected 23/10/2026
9,39 €
8,80 €
7,82 €
7,43 €
Min.: 1
Mult.: 1
Tube PCB Mount 2 A 30 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) LCA717
IXYS Integrated Circuits Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP
485On Order
12,31 €
10,94 €
10,40 €
9,67 €
9,33 €
Min.: 1
Mult.: 1
Tube PCB Mount 150 mA 400 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) PAA110
IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 250V 250mA SSR
192On Order
12,23 €
10,88 €
10,36 €
9,81 €
9,48 €
Min.: 1
Mult.: 1
Tube PCB Mount 250 mA 250 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) PAA150
IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 400V 250mA SSR
712Expected 08/02/2027
12,59 €
11,22 €
10,72 €
10,33 €
Min.: 1
Mult.: 1
Tube PCB Mount 250 mA 400 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) PAA191
IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 400V 150mA
2 996Expected 08/02/2027
Cut Tape
6,35 €
6,22 €
Reel
4,41 €
Min.: 1
Mult.: 1
: 1 000
Reel, Cut Tape, MouseReel PCB Mount 150 mA 400 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) PLA110
IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 600V 150mA
1 825Expected 08/02/2027
6,09 €
5,43 €
5,19 €
5,01 €
Min.: 1
Mult.: 1
Tube PCB Mount 150 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) PLA192
IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 100V 150mA SSR
7 741On Order
Cut Tape
2,61 €
2,37 €
2,18 €
2,12 €
Reel
1,69 €
Min.: 1
Mult.: 1
: 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 SPST-NO 4PIN SOP
1 817Expected 19/04/2027
3,39 €
3,02 €
2,89 €
2,78 €
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
3 731Expected 08/03/2027
Cut Tape
3,28 €
3,00 €
2,76 €
2,67 €
Reel
2,24 €
Min.: 1
Mult.: 1
: 2 000
Reel, Cut Tape, MouseReel PCB Mount 120 mA 350 VDC 1 Form A (SPST-NO) 900 mVDC to 1.5 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 Single Pole Relay 400V 140mA
600On Order
3,93 €
3,54 €
3,31 €
3,17 €
Min.: 1
Mult.: 1
Tube 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 1-Form-A; 600V,120mA 5000Vrms Isolation
500Expected 03/02/2027
4,30 €
3,93 €
3,69 €
3,56 €
Min.: 1
Mult.: 1
Tube PCB Mount 120 mA 600 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) CPC1394
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 250V 200mA Solid State Relay
2 502On Order
5,97 €
5,24 €
4,99 €
4,82 €
Min.: 1
Mult.: 1
Tube PCB Mount 200 mA 250 VDC 1 Form A (SPST-NO) 1.15 VDC 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) CPC1510
IXYS Integrated Circuits Solid State Relays - PCB Mount SP, Normally-Open OptoMOS Relay
1 100Expected 15/04/2027
5,74 €
5,25 €
4,83 €
4,58 €
Min.: 1
Mult.: 1
Tube PCB Mount 120 mA 600 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) CPC1563
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 600V 6-Pin DIP
499Expected 01/02/2027
5,61 €
5,00 €
4,77 €
4,60 €
Min.: 1
Mult.: 1
Tube PCB Mount 120 mA 600 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) CPC1593
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 600V 6-Pin SM T/R
1 742Expected 04/11/2027
Cut Tape
5,36 €
4,77 €
4,56 €
4,40 €
Reel
3,84 €
Min.: 1
Mult.: 1
: 1 000
Reel, Cut Tape, MouseReel PCB Mount 120 mA 600 VDC 1 Form A (SPST-NO) SMD DIP-6 MOSFET - 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 DC Only Single Pole i4-PAC
100On Order
23,68 €
21,36 €
20,31 €
19,45 €
Min.: 1
Mult.: 1
Tube PCB Mount 1.65 A 600 VDC 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) CPC1779
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 4PIN SIP
291Expected 23/07/2027
10,76 €
9,59 €
9,13 €
8,84 €
Min.: 1
Mult.: 1
Tube PCB Mount 2 A 60 VDC 1 Form A (SPST-NO) 900 mVDC to 1.4 VDC ISOPLUS264 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) CPC1906
IXYS Integrated Circuits Solid State Relays - PCB Mount Dual Power Relay 60V, 1-Form-A
785On Order
18,02 €
16,03 €
14,72 €
14,22 €
13,73 €
Min.: 1
Mult.: 1
Tube PCB Mount 2 A 60 VDC 2 Form A (DPST-NO) 900 mVDC to 1.4 VDC SOIC-8 MOSFET 50 mA - 40 C + 85 C 21.082 mm (0.83 in) 10.16 mm (0.4 in) 3.302 mm (0.13 in) CPC2907B
IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA
2 000Expected 08/02/2027
Cut Tape
3,76 €
3,43 €
3,16 €
3,04 €
Reel
2,61 €
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-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
499On Order
4,64 €
4,19 €
3,87 €
3,67 €
Min.: 1
Mult.: 1
Tube 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) LCA182