A51AS12VDC1.6

Relay Automotive Overview

The A51AS12VDC1.6 is an automotive SPST-NO (Form A) relay manufactured by CIT Relay and Switch, designed for 12V DC coil applications with a 40A contact rating. It features quick-connect terminals measuring 0.250 inches (6.3mm) and utilizes silver tin oxide (AgSnO) contact material. The unit operates within a temperature range of -40°C to 125°C, drawing 133.3 mA at 90 Ohms coil resistance. Key electrical parameters include a maximum switching voltage of 75V DC, 8.4 VDC pull-in voltage, and 1.2 VDC drop-out voltage.

Relay Automotive Feature Summary

• Sealed construction for environmental protection
• Base-mounted installation design
• Non-latching coil operation

Relay Automotive Applications

• Automotive electrical systems
• Agriculture machinery controls
• Industrial power distribution

Relay Automotive Procurement Notes

Verify the specific part number against official CIT Relay and Switch documentation to confirm compatibility with base sockets and terminal configurations. Ensure that the 12V DC coil voltage and 40A current rating align with the target circuit requirements. Check RoHS compliance status and moisture sensitivity levels prior to integration into final assemblies.

Relay Automotive Selection Notes

Select this component when a sealed, high-current automotive relay is required for 12V DC control circuits. The SPST-NO configuration suits simple on/off switching tasks. Consider the operating temperature range and contact material properties for durability in harsh environments compared to standard signal relays.

Relay Automotive Part Context

This model belongs to the CIT Relay and Switch automotive relay series, which includes various SPST and SPDT configurations. These components are engineered for robust performance in vehicle and heavy-duty equipment applications, offering reliable switching capabilities under demanding electrical loads.

Relay Automotive Replacement Considerations

Cross-reference with other CIT Automotive Relays such as A2S1ASQ12VDC1.6 or A51AS12VDC1.9U for potential substitutes. Verify pinout compatibility and physical dimensions before substituting to ensure proper fit within existing PCB layouts or socket bases.