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 (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 100V 150mA Solid State Relay 40 872In Stock
92 000On Order
Min.: 1
Mult.: 1
: 2 000

IXYS Integrated Circuits Solid State Relays - PCB Mount 250V, 1-Form-A SSR 14 012In Stock
Min.: 1
Mult.: 1
: 2 000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 100V 100mA Solid State Relay 10 673In Stock
12 000On Order
Min.: 1
Mult.: 1
: 2 000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 30V 1200V Solid State Relay 30 413In Stock
57 201On Order
Min.: 1
Mult.: 1
: 2 000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 400V 120mA Solid State Relay 122 071In Stock
Min.: 1
Mult.: 1
: 2 000

IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Single OptoMOS Relay 12 131In Stock
Min.: 1
Mult.: 1
: 1 000

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 600mA Solid State Relay 5 014In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A; 60V, 4ADC 2500Vrms Isolation 8 048In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount DC Only Single Pole i4-PAC 2 168In Stock
1 350Expected 01/02/2027
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount DC Only Single Pole i4-PAC 1 661In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 8Pin Single Pole NOR Mally Open SS Relay 7 046In Stock
12 100On Order
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 100V Single Pole 100V Power Relay 7 455In Stock
7 550Expected 25/01/2027
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount AC SS Power Switch Dual Power SCR Out 2 168In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 5 A 500 V Optic Iso Pwr Sol State Relay 475In Stock
1 050On Order
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1000V Single Pole SIP Power Relay 2 934In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 600V AC/DC 1-FORM-A ENHANCED ISO PSIP 4 063In Stock
1 600Expected 28/09/2026
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 1000V Single Pole 1000V Power Relay 608In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount SP AC Solid State Power Switch 4 742In Stock
2 725Expected 09/09/2026
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 120MA DPST 8-DIP 2 928In Stock
4 700On Order
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP 2 473In Stock
100Expected 25/12/2026
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount 350V 120mA Dual Single-Pole 11 809In Stock
Min.: 1
Mult.: 1
: 1 000

IXYS Integrated Circuits Solid State Relays - PCB Mount 60V 1000mA Dual Single-Pole 5 038In Stock
Min.: 1
Mult.: 1

IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 350V 120mA 15 391In Stock
4 000Expected 11/09/2026
Min.: 1
Mult.: 1
: 1 000

IXYS Integrated Circuits Solid State Relays - PCB Mount SP-NO SS OptoMOS Relay 3 943In Stock
3 500Expected 05/08/2026
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