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DC Power Adapter - 3.0mm ID 6.3mm OD Male to 2.5mm ID 5.5mm OD Female

Male to Female | Durable | Plastic Handle | Change Connector Size
Quantity Discount Pricing
1-4 5-9 10-49 50-99 100+
$2.78 $2.58 $2.43 $2.35 $2.19

Direct current (DC) power adapters are the perfect way to change from one size DC connector to another. Typically you would have to buy different power supplies with the proper power cable attached to fit your needs. These adapters make it possible to convert one size to another.


  • Connector A: 3.0mm plug (male)
  • Connector B: 2.5mm jack (female)
  • Durable construction
  • Plastic handle
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Product Questions

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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.