AZ9421A-1CT-24DE

Relay Automotive Overview

The AZ9421A-1CT-24DE is a mini automotive relay manufactured by American Zettler, designed for through-hole mounting on printed circuit boards. It features a single-pole double-throw (SPDT) contact configuration, designated as Form C. The device utilizes a 24VDC coil and supports a high switching capacity of 20 Amps. This component is lead-free and RoHS compliant, offering Class F insulation suitable for high-temperature operations within automotive and industrial applications.

Relay Automotive Feature Summary

• High switching capacity rated at 20 Amps for robust load handling
• Class F insulation system engineered for reliable high-temperature operation
• Epoxy sealed construction provides environmental protection
• Compliant with UL and CUR safety standards

Relay Automotive Applications

• Automotive electrical systems
• Industrial control circuits
• Power distribution units

Relay Automotive Procurement Notes

Verify the specific part number suffix to ensure correct coil voltage and contact configuration. Confirm RoHS compliance status if required by project specifications. Check datasheet for thermal derating curves relevant to ambient operating temperatures. Ensure PCB footprint matches the through-hole package dimensions provided in the official documentation.

Relay Automotive Selection Notes

Select this model when a 20 Amp SPDT switching capability is required in a compact form factor. The 24VDC coil specification must match the control circuit voltage. Consider the epoxy-sealed variant for environments requiring enhanced moisture or dust resistance compared to non-sealed alternatives.

Relay Automotive Part Context

This relay belongs to the AZ942 series of mini PC board relays from American Zettler. The series is characterized by low cost and high reliability, widely used in automotive and general industrial applications where space constraints and high current switching are critical design factors.

Relay Automotive Replacement Considerations

Cross-reference with other AZ942 series variants for different coil voltages or contact arrangements. Verify mechanical compatibility and electrical ratings before substituting with generic equivalents.