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: 287
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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 1-Form-A SSR 4-Pin SOP 171,290In Stock
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 1-Form-A 60V 400mA Solid State Relay 234,878In Stock
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 SPNO RELAY 317,247In Stock
Min.: 1
Mult.: 1

Tube PCB Mount 100 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) CPC1017
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST NO Relay 46,905In Stock
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 Dual 1-Form-A 400V 250mA SSR 2,036In Stock
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 1000V Single Pole 1000V Power Relay 710In Stock
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 5,799In Stock
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
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 1000 mA SSR w/optic MOSFET 4,940In Stock
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 DPST-NO/NO 8PIN DIP 2,023In Stock
Min.: 1
Mult.: 1

Tube PCB Mount 250 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) PAA140
IXYS Integrated Circuits Solid State Relays - PCB Mount 250V, 1-Form-A SSR 15,411In Stock
Min.: 1
Mult.: 1
: 2,000

Reel, Cut Tape, MouseReel 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 SPST-NO 4PIN SOP 83,220In Stock
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 SPST-NO 4PIN SOP 28,799In 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) CPC1035
IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole 813In Stock
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 Single-Pole Relay 250V 170mA 2,910In Stock
Min.: 1
Mult.: 1
: 1,000

Reel, Cut Tape, MouseReel PCB Mount 170 mA 250 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) LCA120
IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 400V 150mA SSR 241In Stock
Min.: 1
Mult.: 1

Tube PCB Mount 150 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) PAA110
IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 250V 250mA SSR 347In Stock
Min.: 1
Mult.: 1

Tube PCB Mount 250 mA 250 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) PAA150
IXYS Integrated Circuits Solid State Relays - PCB Mount 250V 200mA Dual Single-Pole 1,149In Stock
Min.: 1
Mult.: 1
: 1,000

Reel, Cut Tape, MouseReel PCB Mount 200 mA 250 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) LAA127
IXYS Integrated Circuits Solid State Relays - PCB Mount Single Pole OptoMOS 1-Form-A, 60V, 1A 855In Stock
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 Single-Pole Relay 250V 250mA 1,235In Stock
Min.: 1
Mult.: 1

Tube PCB Mount 250 mA 250 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) PLA150
IXYS Integrated Circuits Solid State Relays - PCB Mount Single Pole 800V, 100mA SSR 1,545In Stock
Min.: 1
Mult.: 1

Tube PCB Mount 100 mA 800 VDC 1 Form A (SPST-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) 2.159 mm (0.085 in) PLA171
IXYS Integrated Circuits Solid State Relays - PCB Mount 250V 200mA Dual Single-Pole 298In Stock
Min.: 1
Mult.: 1

Tube PCB Mount 200 mA 250 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) LAA127
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST i4-PAC 60V 200In Stock
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 Dual 1-Form-A 600V 100mA SSR 285In Stock
Min.: 1
Mult.: 1

Tube PCB Mount 100 mA 600 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) PAA193
IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 300V 50mA 2,049In Stock
Min.: 1
Mult.: 1
: 1,000

Reel, Cut Tape, MouseReel PCB Mount 50 mA 300 VDC 1 Form A (SPST-NO) 1.8 VDC to 2.8 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) PLA160
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A; 600V,120mA 5000Vrms Isolation 552In Stock
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