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CIT Relay and Switch A21CSQ12VDC16R Automotive Relay

This automotive relay features a 12 V DC coil with a quick connect terminal, supporting a robust 40 A switching capacity. Designed for automotive and lamp accessories, it has a sealed construction for durability. With a compact size of approximately 26 x 26 x 24.5 mm, it includes a resistor suppressor for voltage spike mitigation. The relay features SPDT contact arrangement, operates at 1.6 W coil power, and is tested for over 100,000 electrical cycles. It supports diverse mounting options including PCB pins and quick connect terminals, suitable for various automotive and industrial control applications.

Authorized Distributors
Source:DigiKey
Part No:A21CSQ12VDC1.6R
Stock:6451
Inv Date:05-30-2026
Price: Unit price: $2.95
Buy/RFQ:

CIT Relay and Switch A21CSQ12VDC16R Automotive Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Coil Voltage: 12VDC
  • Coil Resistance: 15.6 ohms
  • Coil Power: 1.6W
  • Maximum Switching Power: 630W
  • Switching Voltage: 75 VDC
  • Switching Current: 40A at 14VDC
  • Contact Resistance: < 30 milliohms
  • Contact Material: AgSnO2
  • Electrical Life at Rated Load: 100,000 cycles
  • Mechanical Life: 10 million cycles
  • Operating Temperature: -40°C to +125°C
  • Storage Temperature: -40°C to +155°C
  • Sealing: Sealed version available
  • Mounting Options: PCB Pins, Quick Connects
  • Shock Resistance: 147 m/s2 for 11 ms
  • Vibration Resistance: 1.5 mm double amplitude at 10–40Hz
  • Weight: 31g

Buy the Buy CIT RELAY & SWITCH Automotive Relay Part Number A21CSQ12VDC16R Online

Purchase the CIT RELAY & SWITCH automotive relay A21CSQ12VDC16R online for your automotive or industrial control needs. Designed with a sealed construction and quick connect terminals, this relay supports up to 40A switching current, ensuring reliable operation under demanding conditions. Its compact size and high switching capacity make it ideal for automotive and lamp accessories. With a coil power of 1.6W and a resistor suppressor, it reduces voltage spikes and enhances system stability. Easy to install and highly durable, order now for prompt delivery and excellent performance.

Get CIT RELAY & SWITCH automotive relay A21CSQ12VDC16R today—built for precision, durability, and reliable automotive switching performance.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21CSQ12VDC16R?

You can click on the BUY or RFQ button to purchase A21CSQ12VDC16R from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21CSQ12VDC16R?

You can download the A21CSQ12VDC16R datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21CSQ12VDC16R?

CIT Relay and Switch

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