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CIT Relay and Switch A21ASQ12VDC16D Automotive Relay

This 12 VDC automotive relay features quick connect terminals, single-pole single-throw (SPST) normally open contact arrangement, and sealed design for durability. It handles up to 40 A, operates with a coil power of 1.6 W, and includes a diode for coil suppression, making it suitable for automotive and lighting applications. The relay is designed to provide reliable switching with a maximum switching power of 630W. Its robust construction ensures long life, with electrical life up to 100,000 cycles, and it performs well in temperature ranges from -40°C to +125°C, ensuring versatile use in harsh environments.

Authorized Distributors
Source:DigiKey
Part No:A21ASQ12VDC1.6D
Stock:6077
Inv Date:05-30-2026
Price: Unit price: $2.62
Buy/RFQ:

CIT Relay and Switch A21ASQ12VDC16D Automotive Relay Specifications:

  • Size: 26.0 x 26.0 x 24.5 mm
  • Operating Voltage: 12V DC
  • Coil Power: 1.6W
  • Contact Arrangement: SPST N.O.
  • Maximum Switching Power: 630W
  • Contact Rating: 40A @ 14VDC
  • Contact Resistance: < 30 milliohms
  • Contact Material: AgSnO2
  • Electrical Life: 100K cycles, typical
  • Mechanical Life: 10M cycles, typical
  • Dielectric Strength: 750V rms min.
  • Insulation Resistance: > 100MΩ
  • Operating Temperature Range: -40°C to +125°C
  • Storage Temperature Range: -40°C to +155°C
  • Weight: Approximate 35 grams
  • Sealing Option: Sealed
  • Termination: Quick Connect
  • Includes diode for coil suppression: Cathode on '86' terminal

Buy the Auto Parts Co 12VDC – Reliable Automotive Relay for Industrial Applications

Enhance your automotive or industrial projects with our 12VDC relay featuring quick connect terminals, 40A switching capacity, sealed design, and coil suppression diode. This relay offers robust performance, long electrical and mechanical life, and can operate within a temperature range from -40°C to +125°C. Easy to install with its compact size of 26 x 26 x 24.5 mm, it’s ideal for automotive, lighting, and control applications requiring dependable switching and durability.

Buy Auto Parts Co 12VDC relay now and experience unmatched reliability and performance for automotive and industrial uses.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21ASQ12VDC16D?

You can click on the BUY or RFQ button to purchase A21ASQ12VDC16D from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21ASQ12VDC16D?

You can download the A21ASQ12VDC16D datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21ASQ12VDC16D?

CIT Relay and Switch

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