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CIT Relay and Switch A51AO12VDC19 Power Relay

This power relay features a PCB terminal shape with a single pole, single throw contact arrangement, operating at 12 V DC with a coil power of 1.9 W. It can handle up to 40 A current and is suitable for automotive and lamp accessories, with open frame sealing. The relay offers high coil resistance, a switching voltage of 75VDC and 380VAC, and a compact size of 25.8 x 20.5 x 20.8 mm, making it ideal for demanding switching applications in control systems. It is RoHS compliant and designed for durability and reliability.

Authorized Distributors
Source:DigiKey
Part No:A51AO12VDC1.9
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1.38112
Buy/RFQ:

CIT Relay and Switch A51AO12VDC19 Power Relay Specifications:

  • Coil Voltage: 12VDC
  • Coil Resistance: 15.6Ω
  • Coil Power: 1.9W
  • Contact Arrangement: SPST N.O.
  • Contact Resistance: < 50 milliohms
  • Maximum Switching Power: 360W
  • Maximum Switching Voltage: 75VDC, 380VAC
  • Maximum Switching Current: 40A
  • Mechanical Life: 10 million cycles
  • Electrical Life: 100,000 cycles
  • Insulation Resistance: 100MΩ @ 500VDC
  • Dielectric Strength: 750V rms coil to contact, 500V rms contact to contact
  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +155°C
  • Weight: 21g
  • Dimensions: 25.8 x 20.5 x 20.8 mm

Buy the Citrelay Series A51AO12VDC19: Power Relay with PCB Terminals

Order the Citrelay Power Relay with PCB terminals and 12 V DC coil today. Designed for reliable switching up to 40 A, this compact relay features open frame sealing, RoHS compliance, and long-lasting durability. Perfect for automotive, lamp, and industrial control systems, it offers high coil resistance, excellent dielectric strength, and a lightweight design of only 21 grams. Improve your control panel's reliability and efficiency by purchasing this high-performance relay online now, ensuring fast delivery and premium quality.

Get Citrelay A51AO12VDC19 today—built for automotive and industrial control with robust power switching capabilities.

Frequently Asked Questions

Where can I buy CIT Relay and Switch A51AO12VDC19?

You can click on the BUY or RFQ button to purchase A51AO12VDC19 from an authorized CIT Relay and Switch distributor.

How do I troubleshoot issues or seek technical support for part A51AO12VDC19?

You can download the A51AO12VDC19 datasheet or visit the CIT Relay and Switch website for support.

Who is the manufacturer of A51AO12VDC19?

CIT Relay and Switch

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