A2H1CSQ12VDC1.6

Relay Automotive Overview

The A2H1CSQ12VDC1.6 is a sealed SPDT automotive relay manufactured by CIT Relay and Switch, designed for high-current switching applications. It features a 12VDC coil with a rated power of 1.6W and utilizes quick connect termination for PCB or panel mounting. The contact arrangement supports a maximum switching current of 40A at 14VDC, with a maximum switching voltage of 75VDC. Key electrical parameters include a coil resistance of 90 Ohms (+/- 10%), an initial contact resistance of less than 30 milliohms, and a contact material composition of AgSnO2. The unit operates within a temperature range of -40°C to 125°C.

Relay Automotive Feature Summary

• Sealed construction suitable for harsh automotive environments
• High switching capacity up to 40A for heavy-duty loads
• Compact design with lightweight characteristics
• Flexible mounting options including PCB pins and quick connects

Relay Automotive Applications

• Automotive lighting systems
• Lamp accessories control
• General automotive electrical circuits

Relay Automotive Procurement Notes

Verify the specific suffix 'H' against official CIT documentation to confirm it denotes the non-latching variant as indicated in distributor listings. Ensure the order matches the required SPDT configuration and 12VDC coil specification. Confirm RoHS compliance status if required by project specifications. Cross-reference the datasheet revision date to ensure availability of the latest manufacturing certifications.

Relay Automotive Selection Notes

Select this component when a sealed SPDT relay with 40A capacity is required for automotive use. The 12VDC coil voltage aligns with standard vehicle electrical systems. Consider the quick connect termination style for assembly compatibility. Verify that the 75VDC maximum switching voltage meets the load requirements. The operating temperature range supports broad environmental deployment.

Relay Automotive Part Context

This part belongs to the CIT A2 series of automotive relays, characterized by large switching capacity and small size. The series includes various contact arrangements and coil voltages. The A2H designation specifically identifies the SPDT configuration within this family. These relays are certified under QS-9000 and ISO-9002 standards for manufacturing quality.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Consult CIT Relay and Switch technical support for direct equivalents or cross-reference lists based on specific pinout and electrical parameter matching.