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CIT Relay and Switch A21ASP12VDC16R Automotive Relay

This 12 V DC automotive relay features PCB terminal pins and a SPST N.O. contact configuration, capable of switching up to 40 A. It is sealed, compact, lightweight, and suitable for automotive and lamp accessories. The relay operates with a coil power of 1.6 W, with a coil resistance of approximately 680 Ohms, ensuring reliable switching performance. Designed for harsh environments, it withstands temperatures from -40°C to +125°C, and includes coil suppression via a resistor. Its robust construction and certifications make it ideal for industrial control and automotive relay applications.

Authorized Distributors
Source:DigiKey
Part No:A21ASP12VDC1.6R
Stock:540
Inv Date:06-11-2026
Price: Unit price: $2.25
Buy/RFQ:

CIT Relay and Switch A21ASP12VDC16R Automotive Relay Specifications:

  • Operating Voltage: 12 V DC
  • Coil Power: 1.6 W
  • Coil Resistance: approximately 680 Ohms
  • Contact Arrangement: SPST N.O.
  • Maximum Switching Power: 630 W
  • Maximum Switching Current: 40 A @ 14 VDC
  • Contact Resistance: < 30 milliohms
  • Contacts Material: AgSnO2
  • Electrical Life: 100K cycles, typical
  • Mechanical Life: 10M cycles, typical
  • Insulation Resistance: 100MΩ min. @ 500VDC
  • Dielectric Strength: 750V rms min. coil to contact
  • Operating Temperature: -40°C to +125°C
  • Sealing: Sealed version available
  • Dimensions: 26.0 x 26.0 x 24.5 mm

Buy the CIT Series A2 Automotive Relay: A21ASP12VDC16R

Get the CIT Series A2 automotive relay with 12 V DC voltage, PCB pin mounting, and 40 A switching capacity. This sealed relay is ideal for automotive, lamp accessories, and industrial automation. It features a compact design, robust contact materials, and coil suppression with a resistor, ensuring durability and stable operation in harsh environments. With a coil power of 1.6 W and and excellent electrical life, this relay guarantees performance and long-term reliability for various control applications. Shop online now for fast delivery and competitive prices.

Order your CIT Series A2 automotive relay with PCB terminals today and ensure reliable switching for your automotive or industrial projects.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21ASP12VDC16R?

You can click on the BUY or RFQ button to purchase A21ASP12VDC16R from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21ASP12VDC16R?

You can download the A21ASP12VDC16R datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21ASP12VDC16R?

CIT Relay and Switch

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