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CIT Relay and Switch A2S1CSQ12VDC16D Automotive Power Relay

This 12 V DC automotive relay features a SPDT contact arrangement, quick connect terminals, sealed design, and a high switching capacity of 40 amps. It offers reliable single side stable operation, with a coil power of 1.6 W and built-in coil suppression using a 1N4005 diode, connected at the '86' terminal. Its compact size, rated to operate from -40°C to +125°C, makes it ideal for automotive and lamp accessory applications, providing durable performance, RoHS compliance, and easy installation with multiple mounting options.

Authorized Distributors
Source:DigiKey
Part No:A2S1CSQ12VDC1.6D
Stock:950
Inv Date:05-30-2026
Price: Unit price: $3.63
Buy/RFQ:

CIT Relay and Switch A2S1CSQ12VDC16D Automotive Power Relay Specifications:

  • Contact Arrangement: SPDT
  • Maximum Switching Power: 630W
  • Maximum Switching Voltage: 75VDC
  • Switching Current: 40A at 14VDC
  • Coil Voltage: 12VDC
  • Coil Power: 1.6W
  • Coil Resistance: 303.2Ω ±10%
  • Contact Resistance: <30 milliohms initial
  • 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: ≥100MΩ @ 500VDC
  • Dielectric Strength: 750V rms coil to contact, 500V rms contact to contact
  • Shock Resistance: 147m/s² for 11ms
  • Vibration Resistance: 1.5mm double amplitude, 10-40Hz
  • Terminal Strength: 8N (quick connect), 4N (PCB pins)
  • Sealing Options: Sealed or dust cover
  • Certifications: RoHS compliant
  • Materials: Copper alloy terminals, AgSnO2 contacts

Buy the CIT Series A2 SPDT Automotive Relay: A2S1CSQ12VDC16D

Enhance your automotive and lighting systems with the CIT Series A2 SPDT relay. Featuring a 12 VDC coil, 40A switching capacity, sealed design, and coil suppression diode, it ensures durable, reliable operation. Ideal for single side stable applications, it offers easy installation with quick connect terminals and multiple mounting options. With RoHS compliance and a broad temperature range, this relay guarantees performance even in harsh environments. Purchase online today to benefit from quick delivery and genuine quality, ensuring your projects stay connected and operate flawlessly.

Buy CIT Series A2 SPDT automotive relay with 40A capacity and sealed protection now and experience reliable performance in automotive and lighting applications.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A2S1CSQ12VDC16D?

You can click on the BUY or RFQ button to purchase A2S1CSQ12VDC16D from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A2S1CSQ12VDC16D?

You can download the A2S1CSQ12VDC16D datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A2S1CSQ12VDC16D?

CIT Relay and Switch

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