A101AS12VDC

Relay Automotive Overview

The A101AS12VDC is an automotive electromechanical relay manufactured by CIT Relay and Switch, designed for through-hole mounting. It features a single-pole single-throw normally open (SPST-NO) contact configuration with a switching capacity of up to 30A. The coil operates at 12VDC with a resistance of 254 Ohms and a current draw of approximately 47.2 mA. Key electrical parameters include a maximum switching voltage of 75VDC, a pull-in voltage of 8.4 VDC, and a release voltage of 1.2 VDC. The device utilizes silver tin oxide contacts and offers a coil power rating of 1.6W. It is sealed, non-latching, and rated for operation between -40°C and 125°C.

Relay Automotive Feature Summary

• Sealed construction provides environmental protection for automotive applications
• High current handling capability supports heavy load switching requirements
• Through-hole termination style ensures secure board integration

Relay Automotive Applications

• Automotive lighting circuits
• Motor control systems
• Heater and blower motor activation

Relay Automotive Procurement Notes

Verify the specific manufacturer part number against official CIT Relay and Switch documentation to confirm compatibility with your design requirements. Ensure that the through-hole footprint and pin spacing match your PCB layout specifications. Check for RoHS compliance status if required by your manufacturing standards. Confirm that the coil voltage and contact ratings align with your system's electrical loads. Review the datasheet for mechanical dimensions and mounting constraints before finalizing procurement.

Relay Automotive Selection Notes

Select this component when a robust, high-current automotive relay is needed for 12VDC control circuits. The SPST-NO configuration is suitable for simple on/off switching tasks. Consider the 30A rating for powering accessories like lights or motors. The sealed design makes it appropriate for harsh environments where moisture or dust resistance is critical. Verify that the operating temperature range meets the thermal conditions of the intended application area.

Relay Automotive Part Context

This relay belongs to the A Series from CIT Relay and Switch, which includes various automotive and industrial relays. The A101AS12VDC is part of a family of through-hole mounted devices designed for reliability in vehicle electronics. Similar models in the series may offer different contact configurations or current ratings, but share common design principles for automotive durability.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Consult official CIT Relay and Switch catalogs or authorized distributors for cross-reference information. Ensure any replacement matches the coil voltage, contact form, and current rating specifications.