A51CS12VDC1.6U

Relay Automotive Overview

The A51CS12VDC1.6U is a sealed SPDT automotive relay from the CIT A5 series, designed for high-current switching applications. It features a 12VDC coil with 133.3 mA current draw and 1.6W power consumption. The contact arrangement supports 40A at 14VDC, with a maximum switching voltage of 75VDC or 380VAC. Key electrical parameters include a coil resistance of 90 Ohms, an operating time of 5 ms, and a release time of 3 ms. The unit operates within a temperature range of -40°C to 85°C and utilizes AgSnO2 contact material.

Relay Automotive Feature Summary

• Sealed construction suitable for harsh automotive environments
• High switching capacity up to 40A for heavy loads
• Compact design with quick connect termination options

Relay Automotive Applications

• Automotive lighting circuits
• Vehicle accessory power distribution
• Industrial control systems requiring robust switching

Relay Automotive Procurement Notes

Verify the specific suffix 'U' against official CIT documentation to confirm terminal configuration and shroud inclusion. Ensure compatibility with existing PCB footprints or socket bases. Check RoHS compliance status and MSL rating for assembly processes. Confirm active part status and lead times with authorized distributors before ordering.

Relay Automotive Selection Notes

Select this model for applications requiring SPDT functionality with high current handling in compact spaces. Compare coil voltage and power ratings against available supply rails. Consider thermal management requirements given the 40A contact rating. Evaluate mechanical mounting constraints regarding the sealed housing dimensions.

Relay Automotive Part Context

This component belongs to the CIT A5 series of automotive relays, known for small size and light weight. It is manufactured by CIT Relay and Switch, certified under QS-9000 and ISO-9002 standards. The series is widely used in automobile and lamp accessories due to its reliability and switching capacity.

Relay Automotive Replacement Considerations

Direct substitutes may include other SPDT automotive relays with matching 12VDC coil specifications and 40A contact ratings. Verify pinout compatibility and physical dimensions before substitution. Cross-reference with CIT's official replacement guide for equivalent performance.