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A21CSQ24VDC1.6D is listed in the Relay Automotive range at ChipApex. The manufacturer field lists CIT Relay and Switch. Its product description is RELAY AUTOMOTIVE SPDT 40A 24V. Review the specifications below when checking this part for your BOM.
Relay Automotive specifications for A21CSQ24VDC1.6D
- Description：RELAY AUTOMOTIVE SPDT 40A 24V
- Series：A2
- Mfr：CIT Relay and Switch
- Package：Tray
- Coil Type：Non Latching
- Coil Current：66.7 mA
- Coil Voltage：24VDC
- Contact Form：SPDT (1 Form C)
- Contact Rating (Current)：40 A
- Switching Voltage：75VDC - Max
- Must Operate Voltage：16.8 VDC
- Must Release Voltage：2.4 VDC
- Operate Time：7 ms
- Release Time：5 ms
- Features：Diode, Sealed - Fully
- Mounting Type：Socketable
- Termination Style：Plug In, Quick Connect - 0.250" (6.3mm)
- Operating Temperature：-40°C ~ 125°C
Relay Automotive datasheet and documents for A21CSQ24VDC1.6D
Relay Automotive Overview
The A21CSQ24VDC1.6D is a 24VDC automotive relay from the CIT A2 Series, featuring an SPDT (1 Form C) contact arrangement and quick connect termination. It supports a maximum switching current of 40A at 14VDC and a maximum switching voltage of 75VDC. The coil operates at 24VDC with a power consumption of 1.6W and includes a built-in diode. The unit measures 26.0 x 26.0 x 24.5 mm, offers PCB pin and quick connect mounting options, and functions within a temperature range of -40°C to 125°C.
Relay Automotive Feature Summary
- SPDT contact configuration for versatile circuit control
- High switching capacity up to 40A for automotive loads
- Integrated coil protection diode
- Compact design with multiple mounting options
Relay Automotive Applications
- Automotive electrical systems
- Lamp accessories
- Industrial control circuits
Relay Automotive Procurement Notes
Verify that the specific part number matches the required coil voltage and contact form. Confirm the presence of the integrated diode if transient suppression is necessary for the application. Ensure the quick connect termination style aligns with existing harness or PCB layouts. Check operating temperature ratings against environmental conditions.
Relay Automotive Selection Notes
Select this component when a 24VDC coil voltage and SPDT switching capability are required. Consider the 40A current rating for high-power automotive loads. Evaluate the physical dimensions and mounting style against available space constraints. Verify compatibility with the system's thermal environment and voltage specifications.
Relay Automotive Part Context
This relay belongs to the CIT A2 Series, designed for automotive applications. The series is characterized by large switching capacity and compact size. It is suitable for environments requiring reliable switching of high currents with minimal footprint.
Relay Automotive Replacement Considerations
Cross-reference with other A2 Series variants for different coil voltages or contact arrangements. Ensure substitute parts match the 24VDC coil requirement and SPDT configuration.
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