ModelAPY274S
DescriptionSSR RELAY SPST-NO 300mA 400V, SOP-4
TechnologyOptoMOS Relay
Contact Form1 Form A (SPST-NO)
Load Voltage0V~400V
Load TypeAC, DC
Load Current300mA
On-State Resistance
Isolation Voltage (Vrms)2500V
Control Voltage1.2 ~ 1.4VDC
Turn-On Time500µs
Turn-Off Time30µs
PackageSOP-4
Mounting TypeSurface Mount
Operating Temperature (°C)-40°C ~ 85°C
PackagingTape & Reel

Specifications & Application Scenarios

Specifications: The APY274S is a medium-voltage PhotoMOS SSR rated for 300mA at 400V (AC/DC) in an SOP-4 package. It has an 8Ω on-state resistance and provides 2500Vrms of isolation. It features 500μs turn-on and a very fast 30μs turn-off time. The device operates from -40°C to 85°C and is controlled by 1.2-1.4VDC.

Application Scenarios: Designed for reliable switching of medium-voltage, moderate-current loads. Ideal for industrial sensor and transducer power supply isolation, medical device auxiliary power control, HVAC system valve/solenoid control, and as an output enable switch in medium-power DC/DC or AC/DC power supplies.

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