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CIT Relay and Switch A21CSP12VDC16 Automotive Power Relay

This 12 V DC automotive relay with PCB pin terminals features a SPDT contact arrangement, handling up to 40 A. Sealed and compact, it is suitable for automotive and lamp accessories, with a coil power of 1.6 W and standard coil suppression. Designed for durability, it operates reliably in harsh environments with a temperature range from -40°C to +125°C and a weight of 31 grams. The relay's robust construction ensures high switching capacity, making it ideal for automotive and industrial applications requiring reliable power switching.

Authorized Distributors
Source:DigiKey
Part No:A21CSP12VDC1.6
Stock:28543
Inv Date:05-30-2026
Price: Unit price: $2.79
Buy/RFQ:
Part No:A21CSP12VDC1.6
Stock:2800
Inv Date:05-30-2026
Price: Unit price: $2.13
Buy/RFQ:
Part No:A21CSP12VDC1.6
Stock:2800
Inv Date:05-30-2026
Price: Unit price: $2.13
Buy/RFQ:

CIT Relay and Switch A21CSP12VDC16 Automotive Power Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Contact Arrangement: SPDT (Single Pole Double Throw)
  • Contact Resistance: < 30 milliohms
  • Maximum Switching Power: 630W
  • Maximum Switching Voltage: 75VDC
  • Maximum Switching Current: 40A at 14VDC
  • Coil Resistance: 7.8 ohms at 6VDC, 15.6 ohms at 12VDC, 31.2 ohms at 24VDC
  • Coil Power: 1.6W
  • Operate Time: 4.2 ms (at rated voltage)
  • Release Time: 6 ms (at rated voltage)
  • Electrical Life: 100,000 cycles
  • Mechanical Life: 10 million cycles
  • Operating Temperature: -40°C to +125°C
  • Storage Temperature: -40°C to +155°C
  • Insulation Resistance: 100 MΩ at 500 VDC
  • Dielectric Strength: 750 V rms
  • Weight: 31g

Buy the Industrial Series Automotive Relay: A21CSP12VDC16

Order the CIT automotive relay A21CSP12VDC16 online today for superior performance in automotive and industrial applications. Designed with sealed construction, SPDT contact, and 40A transfer capacity, this relay provides reliable switching with a coil power of just 1.6 W. Its robust build withstands harsh conditions from -40°C to +125°C, ensuring longevity. Easy to install with PCB pins, it’s ideal for automotive, lamp, or industrial switching needs, offering quick online purchase for fast delivery and dependable operation.

Get CIT relay and switch automotive relay A21CSP12VDC16 today—built for precision, durability, and reliable automotive power switching.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21CSP12VDC16?

You can click on the BUY or RFQ button to purchase A21CSP12VDC16 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21CSP12VDC16?

You can download the A21CSP12VDC16 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21CSP12VDC16?

CIT Relay and Switch

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