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CIT Relay and Switch A21ASQ12VDC19R Automotive Relay

This 12 V DC automotive relay features a quick connect terminal, designed for robust switching applications up to 40A. It has a single pole single throw normally open contact arrangement, suitable for automotive and lamp accessories. The relay operates at 1.9 W coil power, with a sealed construction for environmental protection. It includes a resistor for coil suppression, ensuring reliable operation. The compact size (26.0 x 26.0 x 24.5 mm) and high current capacity make it ideal for automotive and industrial electrical systems, verified by ISO-9002 and QS-9000 certifications for quality assurance.

Authorized Distributors
Source:DigiKey
Part No:A21ASQ12VDC1.9R
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.66578
Buy/RFQ:

CIT Relay and Switch A21ASQ12VDC19R Automotive Relay Specifications:

  • Dimensions: 26.0 x 26.0 x 24.5 mm
  • Contact Type: SPST N.O.
  • Contact Resistance: <30 milliohms initial
  • Contact Material: AgSnO2
  • Maximum Switching Power: 630W
  • Switching Voltage: 75VDC
  • Maximum Switching Current: 40A @ 14VDC
  • Coil Voltage: 12VDC
  • Coil Power: 1.9W
  • Coil Resistance: 303.2Ω ± 10%
  • Electrical Life: 100K cycles
  • Mechanical Life: 10M cycles
  • Insulation Resistance: ≥100MΩ @ 500VDC
  • Dielectric Strength: 750V rms coil to contact, 500V rms contact to contact
  • Operating Temperature: -40°C to +125°C
  • Storage Temperature: -40°C to +155°C
  • Sealing: Sealed with coil suppression resistor included
  • Certification: ISO-9002, QS-9000

Buy the CIT Relay Series A2 Automotive Relay: A21ASQ12VDC19R

Purchase the CIT Relay Series A2 automotive relay with 12V DC coil voltage today. This relay offers a robust 40A switching capacity, sealed construction for protection, and includes a coil suppression resistor ensuring reliable operation. Its compact size of 26 by 26 mm makes it ideal for automotive and industrial applications. The relay is designed for long-lasting performance with high cycling life and a wide operating temperature range, providing you with a dependable solution for your electrical switching needs. Order now for fast online delivery and guaranteed quality.

Get CIT Relay Series A2 automotive relay with 40A switching capacity, sealed, compact, and reliable for automotive and industrial applications today.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A21ASQ12VDC19R?

You can click on the BUY or RFQ button to purchase A21ASQ12VDC19R from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A21ASQ12VDC19R?

You can download the A21ASQ12VDC19R datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A21ASQ12VDC19R?

CIT Relay and Switch

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