A51AO12VDC1.6

Relay Automotive Overview

The A51AO12VDC1.6 is an automotive relay from the CIT Relay and Switch A5 series, designed for through-hole mounting. It features a non-latching coil type with a 12VDC coil voltage and 90 Ohms resistance. The contact configuration is SPST-NO (1 Form A), rated for 40A current and up to 75VDC switching voltage. Key electrical parameters include a coil current of 133.3 mA, coil power of 1.6W, minimum pull-in voltage of 8.4 VDC, and minimum release voltage of 1.2 VDC. Operating times are 7 ms for work and 5 ms for release. The unit utilizes silver tin oxide (AgSnO) contacts and operates within a temperature range of -40°C to 125°C.

Relay Automotive Feature Summary

• Sealed construction ensures reliability in harsh environments
• High current capacity suitable for demanding automotive loads
• Quick-connect terminals facilitate efficient assembly

Relay Automotive Applications

• Automotive power management systems
• Vehicle control circuits
• Industrial equipment switching

Relay Automotive Procurement Notes

Verify the specific part number suffix against official CIT Relay and Switch documentation to confirm exact coil voltage, contact form, and terminal style compatibility. Ensure that the required operating temperature range and sealing specifications align with the target application environment before finalizing procurement decisions.

Relay Automotive Selection Notes

Select this component when a high-current single-pole normally-open switch is required for 12VDC automotive or industrial applications. Consider the 40A rating and sealed design for durability. Verify that the quick-connect terminal style matches the existing harness or PCB layout requirements.

Relay Automotive Part Context

This relay belongs to the CIT Relay and Switch A5 series, which provides small-size, lightweight solutions for automotive and general electronic markets. The series emphasizes cost-effective manufacturing and robust performance for new designs and second sourcing needs.

Relay Automotive Replacement Considerations

Consult official CIT Relay and Switch cross-reference data for verified substitutes. Do not assume functional equivalence based solely on similar ratings without verifying pinout and mechanical dimensions.

Relay Automotive FAQ

What is the contact material used in this relay?

The contacts are made of silver tin oxide (AgSnO).

Is this relay latching or non-latching?

The A51AO12VDC1.6 uses a non-latching coil type.