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Panasonic CB1WM12V Automotive Relay

This compact automotive relay features a Mini-ISO terminal arrangement, high switching capacity of 40A, and is heat resistant up to 125°C. Available in standard and heat-resistant types, it is suitable for automotive applications like headlights, air conditioners, and ABS systems, as well as construction equipment. Its space-saving 22 x 26 mm form factor incorporates an integrated bobbin and base construction for high durability and thermal resistance. Certain models include built-in resistors for enhanced electrical performance, making it ideal for demanding automotive and industrial environments.

Authorized Distributors
Source:Newark
Part No:CB1-WM-12V
Stock:8
Inv Date:06-01-2026
Price: Unit price: $5.62
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Source:DigiKey
Part No:CB1-WM-12V
Stock:208
Inv Date:06-01-2026
Price: Unit price: $5.75
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Part No:CB1-WM-12V
Stock:176
Inv Date:06-02-2026
Price: Unit price: $5.32
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Part No:CB1-WM-12V
Stock:22
Inv Date:06-01-2026
Price: Unit price: $2.9
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Part No:CB1-WM-12V
Stock:719
Inv Date:06-01-2026
Price: Unit price: $4.28
Buy/RFQ:
Part No:CB1-WM-12V
Stock:719
Inv Date:06-01-2026
Price: Unit price: $4.28
Buy/RFQ:
Part No:CB1-WM-12V
Stock:0
Inv Date:06-01-2026
Price: Unit price: $4.32
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Panasonic CB1WM12V Automotive Relay Specifications:

  • Arrangement: 4 Form A, 4 Form C, high capacity types
  • Contact resistance: Max. 15mΩ (initial)
  • Contact material: Ag alloy (Cadmium free)
  • Nominal switching capacity: 40A at 14V DC (standard type)
  • Max. carrying current: 50A (initial)
  • Nominal coil voltage: 12V DC, 24V DC
  • Coil resistance: 117mΩ (12V), 75mΩ (24V)
  • Operating time: Max. 15ms (initial)
  • Drop-out voltage: 1.2 to 4.2V (12V coil), 2.4 to 8.4V (24V coil)
  • Insulation resistance: Min. 20 MΩ at 500V DC
  • Ambient temperature: -40°C to +125°C (heat resistant model), -40°C to +85°C (standard)
  • Dimensions: 22 x 26 mm footprint, height varies by type
  • Mounting: Plug-in, PC board, or bracket types
  • RoHS compliant, sealed and flux-resistant types available

Buy the Panasonic Series MINI-ISO Automotive Relay: CB1WM12V

Order the Panasonic CB1WM12V automotive relay online today to ensure high switching capacity and durability. Its compact form and heat resistance make it perfect for automotive and industrial applications. With a space-efficient 22 x 26 mm size and built-in resistor options, this relay guarantees reliable operation near engines and demanding environments. Experience quick response times and long-lasting performance by purchasing online now—improve your automotive systems with trusted Panasonic quality and deliver superior performance in any critical application.

Buy Panasonic CB1WM12V now and experience unmatched reliability and performance with its high capacity, space-saving design, and heat resistance for automotive use.

Frequently Asked Questions

Where can I buy Panasonic CB1WM12V?

You can click on the BUY or RFQ button to purchase CB1WM12V from an authorized Panasonic distributor.

How do I troubleshoot issues or seek technical support for part CB1WM12V?

You can download the CB1WM12V datasheet or visit the Panasonic website for support.

Who is the manufacturer of CB1WM12V?

Panasonic

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