Introduction: Meet the Female 2.1mm DC Barrel Jack, Screw Terminals (Pack of 10)
The Female 2.1mm DC Barrel Jack, Screw Terminals, Pack of 10 is a simple, cost-effective power connector designed for rapid, solderless wiring. These 5.5 x 2.1 mm female DC barrel connectors accept the widely used CCTV/DC plug size and provide two rear screw terminals so you can quickly attach positive and negative conductors without soldering. Sold in a handy 10-pack, they are aimed at installers, hobbyists and small-scale projects where convenience and speed are important.
Key Features at a Glance
- Barrel compatibility:Accepts standard 5.5 x 2.1 mm DC plugs (common CCTV/DC size).
- Solderless termination:Rear screw terminals for fast, tool-only wiring.
- Pack quantity:Supplied as a pack of 10 — good value for installers and makers.
- Typical polarity:Centre-positive is typical, but polarity should be verified on the part.
- Typical uses:CCTV cameras, LED strips, small appliances, prototyping and DIY electronics.
Detailed Specifications and Benefits
The product record for ITM005822 supplies a short specification set and useful practical details. Below is a consolidated, easy-to-read breakdown of what is known and what you should confirm before use.
- Product name:FS-DCFC — Female 2.1mm DC power plug with screw terminals, pack of 10.
- Barrel size:5.5 x 2.1 mm (standard compatibility).
- Termination:Screw terminals (solderless).
- Polarity:Typically centre-positive (verify with part).
- Pack size:10 pieces.
- Typical uses:CCTV, LED strips, small appliances, DIY electronics.
- Materials/finish:Contact plating and housing materials are not specified in the supplied record.
- Current/voltage rating:NOT SPECIFIED — do not assume suitability for high-current or safety-critical applications without the vendor datasheet.
- Dimensions:Detailed external dimensions are not provided beyond the barrel compatibility.
- Wire gauge accepted:Not specified — verify the maximum recommended conductor size before installation.
- Speed and convenience:Screw terminals let you connect and disconnect wires quickly without soldering — ideal for field work and rapid prototyping.
- Flexibility:Works with standard 5.5 x 2.1 mm DC plugs, a common size across CCTV kits, LED power supplies and many small DC devices.
- Cost-effective:Pack of 10 gives good per-unit cost for installers and hobbyists.
- Compact:Small footprint makes them suitable where space is limited or for inline power connections on small projects.
Use Cases and Scenarios Where This Product Excels
These screw-terminal female DC jacks are versatile and shine in situations where speed, ease of use and compatibility with common DC plugs matter more than high-current performance or environmental sealing.
- CCTV installations:CCTV cameras often use 5.5 x 2.1 mm plugs for power. These jacks let installers create custom pigtails, extend power runs, or prepare quick-disconnect harnesses on site without soldering.
- LED lighting projects:LED strips and small LED drivers commonly use barrel connectors. These female jacks allow quick power terminations when testing strips or building non-permanent fittings.
- Prototyping and bench work:For electronics hobbyists, the solderless screw terminals make it easy to swap wires and test circuits without committing to soldered joints.
- Small appliances and DIY electronics:Low-voltage devices such as small routers, portable amplifiers and DIY kits that use the 5.5 x 2.1 mm standard can benefit from these adapters for rapid wiring.
- Field repairs and temporary installations:Where a quick, non-permanent connection is needed — for example during troubleshooting or temporary setups — these jacks are helpful.
- High-current applications:Because the current and voltage ratings are not specified in the supplied record, do not use these jacks for motors, high-current LED arrays, battery packs or other high-power devices unless you confirm the ratings with the supplier.
- Outdoor or harsh environments:These inexpensive jacks typically lack sealing or rugged housings, so they are not suited to exposed outdoor installations without additional protective measures.
- Permanent safety-critical installations:For permanent building wiring, certified connectors with detailed datasheets and appropriate approvals (CE/UKCA or other) should be used.
Comparison with Similar Products
Understanding the alternatives helps you pick the right connector for your application. Below are comparisons with common alternatives.
- Speed:Screw-terminal models win for quick assembly and field adjustments since no soldering is required.
- Reliability:Soldered joints are mechanically stronger and can be more reliable over long-term, vibration-prone installs.
- Use case:Use screw-terminal jacks for temporary or flexible setups; choose soldered jacks for permanent, vibration-exposed connections.
- Installation:Panel-mount jacks are designed for a fixed enclosure and often include mounting hardware and better mechanical support.
- Flexibility:Inline screw-terminal jacks (like ITM005822) are more flexible for inline power runs and quick wiring tasks.
- Speed:Pre-wired pigtails are fastest for plug-and-play — no wiring at all.
- Customization:Screw-terminal jacks let you choose wire gauge and routing on site; pigtails lock you into the supplied cable.
Installation Tips and Safety Considerations
Before installing these jacks, review a few simple guidelines to ensure safe, reliable results:
- Verify ratings:Confirm the product's rated current and voltage with the supplier before connecting to any high-power device. The Folk Safe SKU record does not provide current/voltage ratings or contact finish details.
- Check polarity:Most of these jacks are centre-positive — verify on the physical part or with the supplier if polarity matters for your application.
- Tighten screws properly:Ensure screw terminals are tightened securely to avoid intermittent connections or arcing. Use the correct screwdriver size and do not over-tighten.
- Use correct wire gauge:Although the accepted wire gauge is not specified, use a conductor appropriate for the current you expect. Larger currents need thicker wire and appropriately rated connectors.
- Consider permanence:For a permanent, critical connection, consider soldered joints or certified connectors rated for the operating current rather than relying on screw terminals alone.
- Confirm compliance:Check CE/UKCA marking and vendor datasheet for compliance claims if the installation requires regulatory approvals.
Conclusion: Why This Pack Is a Practical Choice
The Female 2.1mm DC Barrel Jack with screw terminals (Pack of 10, ITM005822) is a practical, low-cost option for anyone who needs quick, solderless DC power terminations using the common 5.5 x 2.1 mm barrel standard. It excels for CCTV installers, hobbyists, makers, and anyone needing temporary or frequently changed wiring solutions. The 10-pack format offers good value for repetitive tasks or small-scale installations.
However, this convenience comes with important caveats: the supplied record does not include current/voltage ratings, material finishes or accepted wire gauge. Before using these jacks in high-current or safety-critical situations, obtain the vendor datasheet and confirm CE/UKCA compliance and the connector's electrical ratings. For permanent or rugged installations, consider soldered connectors or panel-mounted, rated alternatives.
In short, if you need a fast, affordable, and compatible way to connect DC barrel plugs for prototyping, temporary installations, or low-power devices, this 10-pack is a solid choice — provided you verify ratings and suitability for your specific application.
