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DC Power Male Field Terminated Connector - 2.1mm I.D. - 5.5mm O.D.

Screw-In Terminals | 2.1mm Inner Diameter | 5.5mm Outer Diameter | Male
Quantity Discount Pricing
1-4 5-9 10-49 50-99 100+
$4.65 $3.95 $3.73 $3.47 $3.25

Direct Current (DC) electrical power connectors are typically connected to various power supplies for laptop computers, small televisions and many other electronic devices. This DC connector features screw-in terminals for easy field termination.


  • 2.1mm inner diameter
  • 5.5mm outer diameter
  • Field termination
  • Plug (Male)
  • Plastic Handle
  • Molded strain relief
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Product Questions

Are these rated for 18 volt dc power supply
Question by: Laird on Apr 29, 2020, 11:01 PM
This part has a Max. voltage rating of 12v.
Answer by: David Gust on May 6, 2020, 9:29 AM

Q: What is a DC connector?

A: A DC (Direct Current) is an electrical connector used for DC power.

Q: What are some other names for these connectors?

A: Sometimes they are referred to as coaxial power connectors barrel connectors or tip connectors.

Q: What are DC power connectors commonly used for?

A: DC power connectors are primarily used for electronic devices such as laptop computers radar detectors small televisions and many other portable devices.

Q: What is the most common size of DC connector?

The most common sizes are 2.1mm and 2.5mm. You should always check with the manufacturer of the electronic device to be certain.

Q: How can I tell the difference between a male and a female DC connector?

The male protrudes outward with a pin. The female side surrounds this pin to make contact.