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
698In Stock
Min.: 1
Mult.: 1
: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 250V 170mA
2,596In Stock
Min.: 1
Mult.: 1
: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 400V 150mA SSR
241In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 250V 250mA SSR
317In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Single OptoMOS Relay
439In Stock
100Expected 02-12-2026
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount RELAY, SS ICS 3In Stock
1,000Expected 09-10-2026
Min.: 1
Mult.: 1
: 1,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 100V 300mA Double Pole Relay
274In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 600V 100mA
244In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 6PIN DIP
213In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP
96In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 600V 100mA
318In Stock
Min.: 1
Mult.: 1
: 1,000

IXYS Integrated Circuits Triac & SCR Output Optocouplers 250V Single Pole SIP Power Relay 424In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole
149In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Single 1-Form-A 250V 50mA relay
234In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 800V Normally-Open 6-Pin OptoMOS Relay
122In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 170mA Dual Single-Pole
152In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount RELAY OPTO 170MA SP-NO 6-SMD
160In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Triac & SCR Output Optocouplers 250V Single Pole SIP Power Relay 489In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 600V 100mA
294In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A SSR 4-Pin SOP
37,807In Stock
Min.: 1
Mult.: 1
: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 400mA Solid State Relay
37,829In Stock
38,000Expected 23-10-2026
Min.: 1
Mult.: 1
: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount SPNO RELAY
3,00,353In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 100mA Solid State Relay
60,098In Stock
68,000Expected 19-10-2026
Min.: 1
Mult.: 1
: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 600mA Solid State Relay
32,346In Stock
Min.: 1
Mult.: 1
: 2,000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 750mA Solid State Relay
9,082In Stock
Min.: 1
Mult.: 1