FSA66M5

Analog Switches, Multiplexers, Demultiplexers Overview

The FSA66M5 is a single-channel, normally open analog switch IC manufactured by onsemi. It operates within a supply voltage range of 1.65 V to 5.5 V and features a maximum on-resistance of 7 Ohms. The device supports high-speed switching with a maximum turn-on time of 4.5 ns and a maximum turn-off time of 5 ns. It is housed in an SOT-23-5 surface-mount package and is rated for operation between -40°C and +85°C. The component draws a maximum supply current of 10 µA and dissipates up to 200 mW of power.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Single SPST configuration for signal routing
• Low on-resistance for minimal signal loss
• High-speed switching capability
• Low power consumption design

Analog Switches, Multiplexers, Demultiplexers Applications

• Portable consumer electronics
• Audio signal path switching
• Data acquisition systems

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the manufacturer status as the component is listed as obsolete or end-of-life. Confirm availability through authorized distributors or secondary market suppliers. Ensure RoHS compliance documentation is obtained prior to procurement. Check for alternative packages or pin-compatible replacements if long-term supply is required.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when a low-voltage, single-channel analog switch is required. Verify that the 7 Ohm on-resistance meets the application's signal integrity requirements. Ensure the operating temperature range covers the intended environment. Consider the SOT-23-5 package size for space-constrained designs.

Analog Switches, Multiplexers, Demultiplexers Part Context

The FSA66M5 belongs to the family of low-voltage analog switches from Fairchild Semiconductor (now onsemi). It is designed for applications requiring efficient signal routing in portable devices. The part is distinct from higher-channel-count switches and offers a compact solution for single-path switching needs.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Check for pin-compatible alternatives from onsemi or other manufacturers. Verify electrical parameters such as on-resistance and supply voltage range match the original design requirements.