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.

All Results (297)

Select Image Part # Mfr. Description Datasheet Availability Pricing (INR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole
11,811In Stock
Min.: 1
Mult.: 1
: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 60V 1000mA Dual Single-Pole
5,149In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA
14,391In Stock
5,000On Order
Min.: 1
Mult.: 1
: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount SP-NO SS OptoMOS Relay
3,971In Stock
3,500On Order
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 6PIN DIP
5,501In Stock
5,150On Order
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 6 Pin SMD
4,237In Stock
400Expected 06-08-2026
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 1000 mA SSR w/optic MOSFET
7,359In Stock
Min.: 1
Mult.: 1
: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 2200mA SSR w/optic MOSFET
4,208In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 2200mA SSR w/optic MOSFET
11,819In Stock
Min.: 1
Mult.: 1
: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form 30V 2000 mA Solid State Relay
2,907In Stock
Min.: 1
Mult.: 1
: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 6PIN DIP
3,005In Stock
3,700Expected 22-10-2026
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 800V 100mA
11,962In Stock
32,000Expected 25-01-2027
Min.: 1
Mult.: 1
: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 700mA Solid State Relay
16,375In Stock
1,50,000On Order
Min.: 1
Mult.: 1
: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 100V 150mA SSR
2,398In Stock
Min.: 1
Mult.: 1
: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 250V, 1-Form-A SSR
5,060In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 100V 100mA Solid State Relay
3,956In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 400V 120mA Solid State Relay
5,369In Stock
2,500On Order
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 350V 120mA Solid State Relay
3,642In Stock
Min.: 1
Mult.: 1
: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 400V 120mA Solid State Relay
3,597In Stock
2,000Expected 11-09-2026
Min.: 1
Mult.: 1
: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 4PIN SOP
1,278In Stock
700Expected 20-08-2026
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 350V 120mA Solid State Relay
3,560In Stock
Min.: 1
Mult.: 1
: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount Single Pole Relay 400V 140mA
1,023In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 600V 90mA Single OptoMOS Relay
1,890In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 600V 90mA Single OptoMOS Relay
4,580In Stock
4,000Expected 05-10-2026
Min.: 1
Mult.: 1
: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A; 600V,120mA 5000Vrms Isolation
542In Stock
Min.: 1
Mult.: 1