ACS110-7SB2

Overview

The ACS110-7SB2 is an AC line switch from STMicroelectronics, packaged in a DIL-8 configuration. It features a repetitive peak off-state voltage (VDRM/VRRM) of 700 V and supports a nominal RMS on-state current (IT(RMS)) of 1 A at a lead temperature of 110 °C. The device includes avalanche control with a typical clamping voltage (VCL) of 1100 V. Electrical characteristics specify a maximum gate triggering current (IGT) of 10 mA and a holding current (IH) of 45 mA. Thermal resistance from junction to lead (Rth j-l) is 15 °C/W for the DIL-8 package.

Feature Summary

• Integrates a high-voltage clamping structure to absorb inductive turn-off energy without external snubbers
• Includes a gate level shifter driver to isolate digital controllers from the main switch
• Triggered by negative gate current flowing out of the gate pin
• Designed to meet IEC 61000-4-5 surge immunity standards

Applications

• AC static switching in appliance control systems
• Driving low power high inductive loads such as relays, valves, solenoids, and dispensers
• Control of pumps, fans, micro-motors, and defrost heaters

Procurement Notes

Verify the specific ordering suffix B2 corresponds to the DIL-8 package when sourcing components. Confirm that the supplier provides documentation matching the April 2003 edition 2A datasheet specifications. Ensure the delivered parts are genuine STMicroelectronics products intended for industrial or consumer appliance applications rather than critical life support systems.

Selection Notes

Select this component for applications requiring direct interfacing with microcontrollers while managing inductive load kickback. The DIL-8 package facilitates straightforward connection of multiple devices on the same cooling pad. Consider the thermal resistance values and operating junction temperature range of -30 to +125 °C when designing the heat dissipation strategy for the circuit board.

Part Context

This part belongs to the ACS110 AC line switch family built around the ASD concept. The 'B2' suffix specifically denotes the DIL-8 package variant, whereas 'N' indicates the SOT-223 package. The series is designed to reduce component counts by up to 80% compared to traditional discrete solutions for AC switching tasks.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.