Solid State Relays (SSR)

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Mfr Part #	Quantity Available	Price	Tariff Status	Series	Package	Product Status	Mounting Type	Circuit	Output Type	Voltage - Input	Voltage - Load	Load Current	On-State Resistance (Max)	Termination Style	Operating Temperature	Package / Case	Supplier Device Package	Approval Agency	Grade	Qualification
AB37S SSR RELAY SPST-NO 500MA 0-60V Comus International	31,540 In Stock	1 : $1.61000 Tube	-	37	Tube	Active	Surface Mount	SPST-NO (1 Form A)	AC, DC	1.17VDC	0 V ~ 60 V	500 mA	1.6 Ohms	Gull Wing	-40°C ~ 85°C	4-SOP (0.173", 4.40mm)	4-SOP	cURus, UL	-	-
AC37 SSR RELAY SPST-NO 500MA 0-60V Comus International	5,848 In Stock	1 : $3.19000 Tube	-	37	Tube	Active	Through Hole	SPST-NO (1 Form A) x 2	AC, DC	1.17VDC	0 V ~ 60 V	500 mA	1.6 Ohms	PC Pin	-40°C ~ 85°C	8-DIP (0.300", 7.62mm)	8-DIP	cURus, UL	-	-
SMP-1A37-4PT SSR RELAY SPST-NO 500MA 0-60V Standex-Meder Electronics	1,549 In Stock	1 : $2.57000 Tube	-	37	Tube	Active	Surface Mount	SPST-NO (1 Form A)	AC, DC	1.17VDC	0 V ~ 60 V	500 mA	1.6 Ohms	Gull Wing	-40°C ~ 85°C	4-SOP (0.173", 4.40mm)	4-SOP	cURus	-	-
AC37S SSR RELAY SPST-NO 450MA 0-60V Comus International	291 In Stock	1 : $3.19000 Tube	-	37	Tube	Active	Surface Mount	SPST-NO (1 Form A) x 2	AC, DC	1.17VDC	0 V ~ 60 V	450 mA	1.6 Ohms	Gull Wing	-40°C ~ 85°C	8-SOP (0.173", 4.40mm Width)	8-SOP	cURus, UL	-	-
SMP-1A37-4ST SSR - PHOTO MOSFET, 1 FORM A 60V Standex-Meder Electronics	1,620 In Stock	1 : $2.38000 Tube	-	37	Tube	Active	Surface Mount	SPST-NO (1 Form A)	AC, DC	1.17VDC	0 V ~ 60 V	550 mA	1.6 Ohms	Gull Wing	-40°C ~ 85°C	4-SMD, Gull Wing	4-SOP	cURus	-	-
SMP-1A37-6DT SSR - PHOTO MOSFET, 1 FORM A 60V Standex-Meder Electronics	1,594 In Stock	1 : $3.24000 Tube	-	37	Tube	Active	Through Hole	SPST-NO (1 Form A)	AC, DC	1.17VDC	0 V ~ 60 V	550 mA	1.6 Ohms	PC Pin	-40°C ~ 85°C	6-DIP (0.300", 7.62mm)	6-DIP	cURus	-	-
SMP-1A37-6ST SSR - PHOTO MOSFET, 1 FORM A 60V Standex-Meder Electronics	1,600 In Stock	1 : $3.29000 Tube	-	37	Tube	Active	Surface Mount	SPST-NO (1 Form A)	AC, DC	1.17VDC	0 V ~ 60 V	550 mA	1.6 Ohms	Gull Wing	-40°C ~ 85°C	6-SMD (0.300", 7.62mm)	6-SMD	cURus	-	-
SMP-2A37-8ST SSR - PHOTO MOSFET, 2 FORM A 60V Standex-Meder Electronics	1,120 In Stock	1 : $4.28000 Tube	-	37	Tube	Active	Surface Mount	SPST-NO (1 Form A) x 2	AC, DC	1.17VDC	0 V ~ 60 V	500 mA	1.6 Ohms	Gull Wing	-40°C ~ 85°C	8-SMD (0.300", 7.62mm)	8-SMD	cURus	-	-
AB37 SSR RELAY SPST-NO 550MA 0-60V Toward Technologies, Inc.	137 In Stock	1 : $2.18000 Tube	-	37	Tube	Active	Through Hole	SPST-NO (1 Form A)	AC, DC	1.17VDC	0 V ~ 60 V	550 mA	1.6 Ohms	PC Pin	-	4-DIP (0.300", 7.62mm)	4-DIP	-	-	-
SMP-2A37-8DT SSR RELAY SPST-NO 500MA 0-60V Standex-Meder Electronics	72 In Stock	1 : $4.24000 Tube	-	37	Tube	Active	Through Hole	SPST-NO (1 Form A) x 2	AC, DC	1.17VDC	0 V ~ 60 V	500 mA	1.6 Ohms	PC Pin	-40°C ~ 85°C	8-DIP (0.300", 7.62mm)	8-DIP	cURus	-	-
SMP-2A37-8PT SSR RELAY SPST-NO 450MA 0-60V Standex-Meder Electronics	100 In Stock	1 : $5.31000 Tube	-	37	Tube	Active	Surface Mount	SPST-NO (1 Form A) x 2	AC, DC	1.17VDC	0 V ~ 60 V	450 mA	1.6 Ohms	Gull Wing	-40°C ~ 85°C	8-SOP (0.173", 4.40mm Width)	8-SOP	cURus	-	-
SMP-1A37-4DT SSR - PHOTO MOSFET, 1 FORM A 60V Standex-Meder Electronics	0 In Stock Check Lead Time	1,620 : $1.68266 Tube	-	37	Tube	Active	Through Hole	SPST-NO (1 Form A)	AC, DC	1.17VDC	0 V ~ 60 V	550 mA	1.6 Ohms	-	-40°C ~ 85°C	4-DIP (0.300", 7.62mm)	4-DIP	cURus	-	-

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A solid state relay (SSR) is an electronic switching device that switches on or off when an external voltage is applied across its control terminals. Unlike traditional electromagnetic relays, SSRs have no moving parts and rely on semiconductor components like thyristors, triacs, diodes, and transistors to perform switching operations.

Key features and benefits of solid state relays include:

Durability and Longevity: Without mechanical parts, SSRs have a longer operational life and are less prone to wear and tear.
Fast Switching: SSRs can switch on and off rapidly, making them suitable for applications requiring high-speed operation.
Silent Operation: The absence of mechanical movement results in noiseless switching.
Vibration Resistance: Their solid-state nature makes SSRs resistant to shock and vibration, enhancing reliability in harsh environments.
Reduced Electromagnetic Interference (EMI): SSRs generate less EMI compared to electromagnetic relays.

Solid state relays are commonly used in applications where fast switching, silent operation, and high reliability are required, such as in industrial automation, HVAC systems, lighting controls, and home appliances. They are available in various configurations to handle different voltage and current levels, providing flexibility in design and usage.