A3F1UCQ12VDC1R

Relay Automotive Overview

The A3F1UCQ12VDC1R is a sealed automotive relay manufactured by CIT Relay and Switch. It features an SPST-NO (1 Form A) contact configuration with a rated switching capacity of 25A at 12VDC coil voltage. The unit utilizes quick connect terminals for termination and is designed for base mounting. Key electrical parameters include a coil power of 1R, operating within a temperature range of -40°C to 125°C. The contacts are constructed from silver tin oxide material to ensure reliable performance in automotive environments.

Relay Automotive Feature Summary

• Fully sealed construction protects internal components from environmental contaminants
• High current switching capability suitable for demanding automotive loads
• Integrated diode protection manages inductive kickback from the coil circuit

Relay Automotive Applications

• Automotive lighting circuits
• Heater and blower motor control
• Fuel pump activation systems

Relay Automotive Procurement Notes

Verify the specific coil resistance and contact rating against the official datasheet before integration. Confirm that the quick connect terminal dimensions match the target harness connectors. Ensure the sealing specification meets the required ingress protection standards for the intended installation location. Cross-reference the pinout diagram to prevent incorrect wiring during assembly.

Relay Automotive Selection Notes

Select this component when a high-current single-pole application requires robust sealing against moisture and dust. The 12VDC coil voltage aligns with standard automotive electrical systems. Consider the physical mounting requirements and terminal style compatibility with existing PCB or wire harness designs. Evaluate the thermal management needs given the high current carrying capacity.

Relay Automotive Part Context

This part belongs to the A3 series of automotive relays from CIT Relay and Switch. The series is characterized by high switching capacities and durable sealed housings designed for harsh vehicle environments. The A3F1UCQ12VDC1R specifically targets applications requiring 25A switching with a 12V control signal.

Relay Automotive Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify mechanical footprint and electrical specifications if considering alternative manufacturers.