5.5mm DC Female Power Jack (Panel/PCB)
11.00৳
Product details
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Description
The 5.5mm DC Female Power Jack Socket is a connector used in electronics. It is often paired with 2.1mm or 2.5mm center pins. This connector is a standard for sending low-voltage DC power into electronic enclosures, development boards and commercial hardware.
It comes in two types: threaded panel-mount versions like the DC-022 and through-hole PCB-mount versions like the DC-005. These designs ensure a dependable connection. The connector works with wall adapters, external battery packs and benchtop DC power supplies. It’s a trusted choice, for keeping power flowing where its needed.
Key Features and Benefits
- Universal Standard Compatibility: Works with standard 5.5mm outer diameter male barrel plugs. These plugs come in both 2.1mm and 2.5mm inner diameter center pins.
- Multiple Mounting Options:
- Panel Mount: Has a threaded chassis with a hex nut and washer. This makes it easy to install on the front or back of an enclosure.
- PCB Mount: Has a 3-pin through-hole footprint. This allows it to be soldered directly onto printed circuit boards.
- Integrated Shunt / Cut-off Switch: Has a normally-closed mechanical switch. This switch turns off the battery power automatically whenever an external DC adapter is plugged in.
- Durable Nickel-Plated Contacts: Uses copper alloy contacts, with nickel plating. This gives electrical conductivity, low contact resistance and long life when plugged in and out.
- Robust Flame-Retardant Casing: Made with high-temperature plastic (PBT/Nylon). This casing resists warping during hand soldering or wave soldering.
General Specification
|
Plug/Socket Type Standard |
5.5 mm Outer x 2.1 mm Inner Diameter Barrel Style |
|
Total Pin Configuration |
3 Pins (Pin 1: Center Pin; Pin 2: Shunt Spring; Pin 3: Outer Sleeve Ground) |
|
Maximum Rated Power Load |
DC 30V / 1.0A Continuous Limits |
|
Contact Resistance |
≤ 0.03 Ω max deviation |
|
Dielectric Voltage Isolation |
AC 500V (50Hz) / Minute threshold limits |
|
Ambient Operating Boundary |
-30°C to +70°C |
|
Component Shipment Weight |
0.005 kg |
|
Outer Module Boundaries |
3 cm x 3 cm x 3 cm (Packaging Cube) |
Pinout Configuration (Standard 3-Pin)
- Pin 1 (Center Pin) connects to the pin of the plug which is usually the DC Positive or +VCC in systems that use center-positive connectors. I use Pin 1 to feed power into my circuit.
- Pin 2 (Outer Sleeve / Shunt) is a spring contact that holds the sleeve of the plug and it is normally the DC Ground or GND. I rely on Pin 2 for the ground reference.
- Pin 3 (Switch Contact) is a closed switch that is connected to Pin 2 when no plug is inserted. When a barrel plug is inserted the switch opens automatically to cut off the battery power. I find Pin 3 for isolating the battery when an external supply is present.
Common Applications
- DIY Microcontroller Boards: These pins provide the power input for Arduino boards Raspberry Pi setups and ESP32 project boxes. I use this setup to power my hobby projects.
- Audio & Consumer Electronics: They serve as the power inlet for desktop amplifiers, DACs, Bluetooth speaker enclosures and LED strip controllers. I enjoy using this arrangement to run my gear.
- Robotics & Automation: They connect 12V or 24V battery packs and regulated switch‑mode power supplies (SMPS). I have used this to power my robot chassis.
- Test Gear: They are used as the input, for benchtop power supplies, custom sensor housings and signal generator boxes. I rely on this for lab equipment.
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