A21CSQ12VDC1.6

Relay Automotive Overview

The A21CSQ12VDC1.6 is a sealed automotive relay manufactured by CIT Relay and Switch, featuring a 12VDC coil with 1.6W power consumption. It utilizes an SPDT (Form C) contact arrangement capable of switching up to 40A at 75VDC. The device employs Silver Tin Oxide contacts with initial resistance below 30 milliohms. Dimensions are 26.0 x 26.0 x 24.5 mm, supporting PCB pin and quick connect mounting for compact integration.

Relay Automotive Feature Summary

• Large switching capacity up to 40A
• Small size and light weight design
• PCB pin and quick connect mounting available
• Suitable for automobile and lamp accessories

Relay Automotive Applications

• Automotive electrical systems
• Lamp accessory control circuits
• General purpose switching applications requiring high current capacity

Relay Automotive Procurement Notes

Verify the specific datasheet version and manufacturing certification status prior to procurement. Confirm that the required contact arrangement matches the SPDT configuration documented for this part number. Ensure compatibility with the specified 12VDC coil voltage and 1.6W power rating within the target circuit design parameters.

Relay Automotive Selection Notes

Select this component when a sealed automotive relay with high current handling is required. The SPDT configuration provides flexibility for normally open or normally closed circuit control. Verify that the physical dimensions fit the available board space and that the quick connect termination style aligns with the assembly process requirements.

Relay Automotive Part Context

This model belongs to the CIT automotive relay series designed for robust performance in vehicle environments. The product line emphasizes durability and high switching capacity within a compact form factor. Manufacturing certifications ensure consistent quality standards for automotive and industrial applications.

Relay Automotive Replacement Considerations

Cross-reference with other CIT models sharing identical coil voltage and contact ratings. Verify mechanical footprint compatibility before substituting with alternative manufacturers' relays to ensure proper mounting and connection interface alignment.