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Song Chuan 3031AHSD112VDC Automotive Relay

This 12V DC automotive relay features a single-pole single-throw normally open contact configuration, capable of handling up to 20A. It offers socket mounting terminals, high temperature withstand up to 125°C, and operates reliably in automotive environments. Designed with AgSnO contact material, it provides fast switching times, high dielectric strength, vibration, and shock resistance. Ideal for motor fuel-pump, radiator-fan, and lighting applications, it ensures durability and efficient performance with a compact 20 g weight. Suitable for various automotive control systems requiring high current switching.

Authorized Distributors
Part No:303-1AH-S-D1-12VDC
Stock:2275
Inv Date:06-05-2026
Price: Unit price: $3.61
Buy/RFQ:
Part No:303-1AH-S-D1-12VDC
Stock:0
Inv Date:06-04-2026
Price: Unit price: $3.21
Buy/RFQ:
Part No:303-1AH-S-D1-12VDC
Stock:0
Inv Date:06-04-2026
Price: Unit price: $3.21
Buy/RFQ:

Song Chuan 3031AHSD112VDC Automotive Relay Specifications:

  • Contact material: AgSnO alloy
  • Contact voltage drop: NO: 200 mV Max. at 154 NC: 250 mV Max. at 10A
  • Operate time: 40 ms Max.
  • Release time: 10 ms Max.
  • Insulation resistance: ≥ 20 MQ (DC 500V)
  • Dielectric strength: AC 500V, 50/60Hz, 1 min between open contact and coil
  • Vibration resistance: 10~500Hz, 5.0G
  • Shock resistance: 100G
  • Life expectancy: 100,000 operations (electrical), 10 million operations (mechanical)
  • Operating temperature range: -40°C to +125°C
  • Dimensions: 16.6 mm x 8.4 mm x 13 mm (approximate), weight: 20 g

Buy the Song Chuan Series 3031AH SD12VDC Automotive Relay: 3031AHSD112VDC

Experience dependable performance with the Song Chuan Series 3031AHSD112VDC automotive relay, designed for high current applications up to 20A. Featuring a compact build, socket mounting, and high temperature tolerance up to 125°C, it is ideal for fuel pumps, radiator fans, and lighting systems in vehicles. Its robust construction ensures long life with over 100,000 electrical operations, providing consistent switching with minimal voltage drop. Perfect for automotive engineers and DIY enthusiasts seeking reliable control components, order online now and enhance your vehicle's electrical system with ease and confidence.

Order your Song Chuan Series 3031AHSD112VDC automotive relay today and ensure reliable high-current switching for your vehicle's critical systems.

Frequently Asked Questions

Where can I buy Song Chuan 3031AHSD112VDC?

You can click on the BUY or RFQ button to purchase 3031AHSD112VDC from an authorized Song Chuan distributor.

How do I troubleshoot issues or seek technical support for part 3031AHSD112VDC?

You can download the 3031AHSD112VDC datasheet or visit the Song Chuan website for support.

Who is the manufacturer of 3031AHSD112VDC?

Song Chuan

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