A3F1CSQ12VDC2D

Relay Automotive Overview

The A3F1CSQ12VDC2D is a sealed SPDT automotive relay manufactured by CIT Relay and Switch. It features a 12 VDC coil voltage with a coil power of 1.8W and operates within a temperature range of -40°C to 125°C. The relay supports a maximum switching current of 80A at 75VDC, utilizing AgSnO2/In2O3 contact material. It employs quick connect termination styles and chassis mounting for secure installation in vehicle electrical systems.

Relay Automotive Feature Summary

• Sealed construction designed for automotive environments
• High switching capacity up to 80A for heavy loads
• Quick connect termination options for flexible wiring

Relay Automotive Applications

• Automotive lighting circuits
• Vehicle accessory power distribution
• General automotive control applications

Relay Automotive Procurement Notes

Verify the specific suffix 'D' against official CIT documentation to confirm exact terminal configuration or packaging variations. Ensure compatibility with existing harness connectors and mounting brackets. Confirm RoHS compliance status if required by project specifications. Cross-reference datasheet revision dates to ensure accurate technical parameters are applied during design integration.

Relay Automotive Selection Notes

Select this model for applications requiring high current handling in compact automotive spaces. The SPDT configuration allows for single-pole switching with common and normally open/closed contacts. Consider the 12VDC coil requirement for standard vehicle electrical systems. Evaluate thermal management needs given the operating temperature range and contact resistance characteristics.

Relay Automotive Part Context

This component belongs to the A3 series of large automotive relays from CIT Relay and Switch. These relays are characterized by their robust switching capacity and durable sealed housings. The series is widely used in modern vehicles for managing high-power accessories and critical systems where reliability under harsh conditions is essential.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout and coil voltage compatibility before substituting with other SPDT automotive relays. Ensure mechanical dimensions and mounting flange configurations match the existing assembly requirements.