A21CSP48VDC1.6

$2.13

Description：RELAY AUTOMOTIVE SPDT 40A 48V
Series：A2
Mfr：CIT Relay and Switch
Package：Tray

SKU:7381b25ed778 Category: Automotive Relays Brand: CIT Relay and Switch

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Product introduction

A21CSP48VDC1.6 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 48V. Review the specifications below when checking this part for your BOM.

Relay Automotive specifications for A21CSP48VDC1.6

Description：RELAY AUTOMOTIVE SPDT 40A 48V
Series：A2
Mfr：CIT Relay and Switch
Package：Tray
Coil Type：Non Latching
Coil Current：33.3 mA
Coil Voltage：48VDC
Contact Form：SPDT (1 Form C)
Contact Rating (Current)：40 A
Switching Voltage：75VDC - Max
Must Operate Voltage：33.6 VDC
Must Release Voltage：4.8 VDC
Operate Time：7 ms
Release Time：5 ms
Features：Sealed - Fully
Mounting Type：Through Hole
Termination Style：PC Pin
Operating Temperature：-40°C ~ 125°C

Relay Automotive datasheet and documents for A21CSP48VDC1.6

A21CSP48VDC1.6

Relay Automotive Overview

The A21CSP48VDC1.6 is a general-purpose electromechanical relay manufactured by CIT Relay and Switch, designed for through-hole mounting. It features an SPDT (Single Pole Double Throw) contact configuration with a maximum switching current rating of 40A. The coil operates at a nominal voltage of 48VDC, drawing a coil current of 33.3 mA. The device supports a maximum switching voltage of 75VDC and is suitable for automotive and lamp accessory applications.

Relay Automotive Feature Summary

High current switching capacity up to 40A
Compact physical dimensions for space-constrained designs
Dual mounting options including PCB pins and quick connect terminals

Relay Automotive Applications

Automotive electrical systems
Lamp accessories control
General purpose industrial switching

Relay Automotive Procurement Notes

Verify the specific suffix variant against official CIT documentation to ensure correct coil voltage and contact form compatibility. Confirm that the selected package style matches the intended board layout requirements. Cross-reference certification marks such as QS-9000 or ISO-9002 if required for your manufacturing quality standards.

Relay Automotive Selection Notes

Select this component when a high-current single-pole double-throw relay is required for 48VDC control circuits. Ensure the load does not exceed the 40A continuous rating or the 75VDC maximum switching voltage. Consider the physical size constraints and verify that the through-hole pin spacing aligns with the PCB footprint specifications.

Relay Automotive Part Context

This model belongs to the A2 series of relays from CIT Relay and Switch, characterized by large switching capacities and small footprints. The series offers various coil voltages and contact arrangements to accommodate diverse application needs while maintaining consistent mechanical reliability and contact material properties.