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.

Types of Optocouplers/Photocouplers

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Results: 277
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS Mounting Style Package/Case Number of Channels Output Type
IXYS Integrated Circuits Solid State Relays - PCB Mount 800V Normally-Open 6-Pin OptoMOS Relay 122In Stock
Rp186.211,90
Rp178.506,58
Rp164.196,70
Rp149.519,90
Min.: 1
Mult.: 1
PCB Mount SMD DIP-6 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount Dual 1-Form-A 250V 50mA SSR 167In Stock
Rp196.669,12
Rp179.423,88
Rp172.452,40
Rp166.581,68
Min.: 1
Mult.: 1
PCB Mount SMD DIP-8 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount DPST-NO/NO 8PIN DIP 90In Stock
Rp224.004,66
Rp205.475,20
Rp198.320,26
Rp191.532,24
Min.: 1
Mult.: 1
PCB Mount SMD DIP-8 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 600V 100mA 244In Stock
Rp120.533,22
Rp111.910,60
Rp104.939,12
Rp101.086,46
Min.: 1
Mult.: 1
PCB Mount SMD DIP-6 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 250V 250mA 137In Stock
Rp160.710,96
Rp143.282,26
Rp136.861,16
Rp119.065,54
Min.: 1
Mult.: 1
PCB Mount SMD DIP-6 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 6PIN DIP 213In Stock
Rp134.659,64
Rp128.422,00
Rp126.770,86
Rp107.507,56
Min.: 1
Mult.: 1
PCB Mount DIP-6 MOSFET
IXYS Integrated Circuits Triac & SCR Output Optocouplers 250V Single Pole SIP Power Relay 424In Stock
Rp53.753,78
Rp43.113,10
Rp37.425,84
Rp36.508,54
Min.: 1
Mult.: 1
IXYS Integrated Circuits Triac & SCR Output Optocouplers 250V Single Pole SIP Power Relay 489In Stock
Rp53.753,78
Rp44.213,86
Rp40.544,66
Rp36.325,08
Min.: 1
Mult.: 1
SMD/SMT
IXYS Integrated Circuits Solid State Relays - PCB Mount RELAY OPTO 170MA SP-NO 6-SMD 160In Stock
Rp130.990,44
Rp108.608,32
Rp101.636,84
Rp97.967,64
Min.: 1
Mult.: 1
PCB Mount DIP-6 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 600V 100mA 318In Stock
Cut Tape
Rp138.879,22
Rp130.256,60
Rp115.763,26
Rp109.892,54
Reel
Rp83.290,84
Min.: 1
Mult.: 1
: 1.000
PCB Mount SMD DIP-6 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount Single-Pole Relay 600V 100mA 294In Stock
Rp117.964,78
Rp105.122,58
Rp100.352,62
Rp96.866,88
Min.: 1
Mult.: 1
PCB Mount SMD DIP-6 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount SS Relay SP, NO 4-PIN SOP OptoMOS 12.100In Stock
Rp67.146,36
Rp59.991,42
Rp56.689,14
Rp54.671,08
Min.: 1
Mult.: 1
PCB Mount SOP-4 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A SSR 4-Pin SOP 138.291In Stock
Rp23.115,96
Rp20.730,98
Rp19.813,68
Rp19.079,84
Min.: 1
Mult.: 1
PCB Mount SOP-4 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount SPST-NO 4PIN SOP 64.112In Stock
Rp44.764,24
Rp41.645,42
Rp40.361,20
Rp39.443,90
Min.: 1
Mult.: 1
PCB Mount SOP-4 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 60V 750mA Solid State Relay 60.738In Stock
Cut Tape
Rp71.732,86
Rp63.844,08
Rp61.092,18
Rp58.890,66
Reel
Rp48.800,36
Min.: 1
Mult.: 1
: 2.000
PCB Mount SOP-4 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount 1-Form-A 400V 120mA Solid State Relay 104.956In Stock
Cut Tape
Rp57.422,98
Rp53.753,78
Rp47.883,06
Rp46.231,92
Reel
Rp39.627,36
Min.: 1
Mult.: 1
: 2.000
PCB Mount SOP-4 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount Single Pole Relay 400V 140mA 10.206In Stock
Cut Tape
Rp76.319,36
Rp68.247,12
Rp65.128,30
Rp62.559,86
Reel
Rp55.221,46
Min.: 1
Mult.: 1
: 1.000
PCB Mount SMD DIP-4 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount 600V AC/DC 1-FORM-A ENHANCED ISO PSIP 4.075In Stock
Rp318.119,64
Rp283.445,70
Rp270.603,50
Rp261.247,04
Min.: 1
Mult.: 1
PCB Mount SIP-4 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount 1000V Single Pole 1000V Power Relay 583In Stock
Rp741.178,40
Rp711.274,42
Rp678.985,46
Rp655.686,04
Min.: 1
Mult.: 1
PCB Mount i4-PAC MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount 60V 1000mA Dual Single-Pole 4.928In Stock
Rp354.811,64
Rp316.101,58
Rp301.975,16
Rp291.334,48
Min.: 1
Mult.: 1
PCB Mount SMD DIP-8 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount 60V 1000mA Dual Single-Pole 3.105In Stock
Cut Tape
Rp359.398,14
Rp320.137,70
Rp305.644,36
Rp289.499,88
Reel
Rp246.203,32
Min.: 1
Mult.: 1
: 1.000
PCB Mount SMD DIP-8 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount AC SS Power Switch Dual Power SCR Out 2.139In Stock
Rp255.559,78
Rp227.673,86
Rp217.216,64
Rp208.777,48
Min.: 1
Mult.: 1
PCB Mount SIP-4 SCR
IXYS Integrated Circuits Solid State Relays - PCB Mount SP AC Solid State Power Switch 3.500In Stock
7.700Expected 15/04/2027
Rp399.025,50
Rp362.333,50
Rp345.088,26
Rp330.044,54
Min.: 1
Mult.: 1
PCB Mount i4-PAC SCR
IXYS Integrated Circuits Solid State Relays - PCB Mount SP-NO SS OptoMOS Relay 6.626In Stock
Rp189.147,26
Rp168.599,74
Rp160.894,42
Rp153.005,64
Min.: 1
Mult.: 1
PCB Mount SMD DIP-6 MOSFET
IXYS Integrated Circuits Solid State Relays - PCB Mount SP-NO SS OptoMOS Relay 2.664In Stock
Cut Tape
Rp180.708,10
Rp161.077,88
Rp153.739,48
Rp148.419,14
Reel
Rp126.954,32
Min.: 1
Mult.: 1
: 1.000
PCB Mount MOSFET