A101AS24VDC

Relay Automotive Overview

The A101AS24VDC is an automotive 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 maximum switching current of 30A and a coil voltage of 24VDC. The unit operates within a temperature range of -40°C to 105°C, ensuring reliability in demanding environments. Key electrical parameters include a must-operate voltage of 16.8 VDC and a must-release voltage of 2.4 VDC. The coil resistance is specified at 960 Ohms, drawing a coil current of 25 mA. Mechanical performance includes an operate time of 4 ms and a release time of 1.5 ms.

Relay Automotive Feature Summary

• Sealed construction provides environmental protection against moisture and contaminants
• High current capacity supports heavy automotive loads up to 30A
• Through-hole PC board mounting ensures secure mechanical attachment

Relay Automotive Applications

• Automotive lighting circuits
• Vehicle heating and cooling systems
• General automotive power distribution

Relay Automotive Procurement Notes

Verify the specific suffix and manufacturer part number against official CIT Relay and Switch documentation to confirm exact coil voltage and contact configuration. Ensure compatibility with existing PCB layouts and thermal management requirements. Cross-reference datasheets for updated regulatory compliance status, including RoHS and REACH directives, prior to final procurement decisions.

Relay Automotive Selection Notes

Select this component when a robust, high-current automotive relay is required for 24VDC control applications. The SPST-NO configuration is suitable for simple on/off switching tasks. Consider the through-hole mounting style for applications requiring higher mechanical stability compared to surface-mount alternatives. Verify that the 30A rating aligns with the specific load requirements of the target circuit design.

Relay Automotive Part Context

This model belongs to the A101 series of automotive relays from CIT Relay and Switch. The series is characterized by sealed designs intended for harsh automotive environments. The A101AS variant specifically denotes the SPST-NO contact form and 24VDC coil specification, differentiating it from other configurations within the broader product line.

Relay Automotive Replacement Considerations

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