About Solid State Relays - PCB Mount

Letex Technology Solid State Relays - PCB Mount

A solid-state relay (SSR) is a type of electrical relay designed to switch electrical power on and off using an electro-mechanical contactor, but with no moving parts. It typically contains no relays, but instead a miniature circuit board that includes transistors, resistors, capacitors, and diodes in the circuit. These components are connected to a printed circuit board (PCB) through either physical or electrical connections. A solid-state relay (SSR) is thus able to control high-power devices such as electric motors and server power supplies using only a low-power control signal. Due to this, SSRs are often used in industrial applications, where size and weight are important considerations. Additionally, SSRs are advantageous in applications where there are many start/stop cycles and/or the environment is hostile, because there is no contact wear experienced with the contactor. Typically, a PCB mounted solid-state relay offers the best value if you need to control high-powered loads like motors or solenoids. Compared to leaded relays, they are smaller and consume less power, making them ideal for applications where space and power consumption is a priority. Moreover, they are more reliable as they have no contact bounce which can lead to arcing or sparking.

Solid State Relays - PCB Mount

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LT239


1 Form A(SPST-NO) 1.2V 60V 0.8Ω 500mA AC,DC SOP-4-2.54mm Solid State Relays - MOS Output (PhotoMOS) ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Letex Technology 3694
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USD 0.7535
Multiples of: 1

         1 Form A(SPST - NO)       
LT243


1 Form A(SPST-NO) 1.2V 60V 5Ω 120mA AC,DC SOP-4-2.54mm Solid State Relays - MOS Output (PhotoMOS) ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Letex Technology 1746
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USD 2.9506
Multiples of: 1

         1 Form A(SPST - NO)       
LT218D


1 Form A(SPST-NO) 1.2V 40V 50mΩ 3.5A DC SOP-4-2.54mm Solid State Relays - MOS Output (PhotoMOS) ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Letex Technology 1589
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USD 1.0726
Multiples of: 1

         1 Form A(SPST - NO)       
LT236


1 Form A(SPST-NO) 1.2V 100V 2Ω 400mA AC,DC SOP-4-2.54mm Solid State Relays - MOS Output (PhotoMOS) ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Letex Technology 1449
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USD 1.5054
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         1 Form A(SPST - NO)       
LT218


1 Form A(SPST-NO) 1.2V 40V 60mΩ 2.5A AC,DC SOP-4-2.54mm Solid State Relays - MOS Output (PhotoMOS) ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Letex Technology 1027
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USD 1.3097
Multiples of: 1

         1 Form A(SPST - NO)       
LT219-3


1 Form A(SPST-NO) 1.2V 60V 100mΩ 800mA AC,DC SOP-4-2.54mm Solid State Relays - MOS Output (PhotoMOS) ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Letex Technology 556
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USD 1.0704
Multiples of: 1

         1 Form A(SPST - NO)       
LT210


1 Form A(SPST-NO) 1.2V 400V 20Ω 100mA AC,DC SOP-4-2.54mm Solid State Relays - MOS Output (PhotoMOS) ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Letex Technology 388
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USD 0.6737
Multiples of: 1

         1 Form A(SPST - NO)       
LT219-2


1 Form A(SPST-NO) 1.2V 60V 200mΩ 400mA AC,DC SOP-4-2.54mm Solid State Relays - MOS Output (PhotoMOS) ROHS
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Letex Technology 0
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USD 0.9725
Multiples of: 1

         1 Form A(SPST - NO)       
LT219-1


1 Form A(SPST-NO) 1.2V 60V 0.13Ω 1.3A AC,DC SOP-4-2.54mm Solid State Relays - MOS Output (PhotoMOS) ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Letex Technology 0
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USD 1.0128
Multiples of: 1

         1 Form A(SPST - NO)       
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