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CIT Relay and Switch A21ASQ12VDC16 Automotive Relay

This is a 12 VDC automotive relay with quick connect terminals, rated for 40A current and featuring a single-pole, single-throw (SPST) normally open contact. It includes sealed protection and standard coil suppression, making it suitable for reliable automotive switching applications. The relay operates with a coil power consumption of 1.6 W, ensuring efficient performance. Its compact size and durable construction meet industry standards, providing dependable switching for lamp accessories, automotive circuits, or control systems. The relay’s robust design supports high current loads and seamless integration into vehicle electrical systems.

Authorized Distributors
Source:DigiKey
Part No:A21ASQ12VDC1.6
Stock:1193
Inv Date:05-30-2026
Price: Unit price: $2.18
Buy/RFQ:

CIT Relay and Switch A21ASQ12VDC16 Automotive Relay Specifications:

  • Operating Voltage: 12 VDC
  • Contact Arrangement: SPST N.O.
  • Maximum Switching Power: 630W
  • Contact Rating: 40A @ 14VDC
  • Contact Resistance: < 30 milliohms
  • Contact Material: AgSnO2
  • Coil Power: 1.6W
  • Coil Resistance: 303.2Ω ± 10%
  • Release Time: 8.4 ms
  • Operate Time: 8.4 ms
  • 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 @ 500VDC
  • Dielectric Strength: 750V rms coil to contact
  • Shock Resistance: 147 m/s² for 11 ms
  • Vibration Resistance: 1.5 mm double amplitude, 10–40Hz
  • Terminal: Quick connect, 8N
  • Certifications: RoHS Compliant

Buy the Buy CIT Relay & Switch A21ASQ12VDC16 Automotive Relay Part Number A21ASQ12VDC16 Online

Purchase the CIT Relay & Switch automotive relay with part number A21ASQ12VDC16 online today. Designed for automotive applications, this 12 VDC relay provides a 40A switching capacity with sealed protection and standard coil suppression. Its compact size, quick connect terminals, and low coil power consumption of 1.6W make it easy to install and reliable during high-current switching. Perfect for automotive lighting, control systems, and various electrical projects. Get your high-quality relay now and enhance your vehicle’s electrical system performance.

Order your CIT Relay & Switch Series A21ASQ12VDC16 automotive relay today and ensure reliable automotive switching performance with this sealed, high-current relay.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21ASQ12VDC16?

You can click on the BUY or RFQ button to purchase A21ASQ12VDC16 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21ASQ12VDC16?

You can download the A21ASQ12VDC16 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21ASQ12VDC16?

CIT Relay and Switch

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