AZ977-1A-24D

Relay Automotive Overview

The AZ977-1A-24D is a miniature power relay designed for automotive applications, manufactured by American Zettler. It features a SPST (1 Form A) contact arrangement with a maximum switching current of 20 A and a maximum switched voltage of 150 VDC. The coil operates at 24 VDC with a continuous power consumption of 2.6 W at 20°C. The device offers up to 280 W resistive load capacity and includes vibration and shock resistance.

Relay Automotive Feature Summary

• Compact design providing up to 20 Amp switching capability
• Vibration and shock resistant construction suitable for automotive environments
• Small footprint optimized for space-constrained installations

Relay Automotive Applications

• Automotive electrical systems
• High in-rush current applications
• General purpose switching in compact enclosures

Relay Automotive Procurement Notes

Verify the specific contact configuration matches the required circuit design, as the series includes multiple form factors. Confirm coil voltage ratings align with system power supplies. Check datasheet for special precautions when switching voltages exceed 30 VDC. Ensure environmental conditions fall within the specified operating temperature range of -40°C to 115°C.

Relay Automotive Selection Notes

Select this model for applications requiring robust switching in a small package. The 24 VDC coil suits standard automotive electrical architectures. Consider the 20 A current rating against peak load requirements. Verify compatibility with existing socketing infrastructure if applicable. Evaluate thermal management needs given the continuous power dissipation characteristics.

Relay Automotive Part Context

This component belongs to the AZ977 series of micro-ISO automotive relays. It shares design principles with related models like the AZ977-1C-24D but differs in contact arrangement. The series emphasizes durability and compactness for vehicle integration.

Relay Automotive Replacement Considerations

Direct substitutes may include other AZ977 variants with matching coil voltage and contact form. Cross-reference pinout configurations to ensure mechanical compatibility. Verify that alternative parts meet the same vibration and shock resistance standards.