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 (ITM005822) 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.
- Supplier code:ITM005822.
- 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. With a suggested price of £9.99 (retail guidance) and low unit cost, these are budget-friendly components for bulk tasks.
- 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.
Customer Feedback and Typical User Impressions
No verified customer testimonials were supplied with the product record. However, based on the product type and common feedback for similar items, users typically report the following positives and caveats:
- Positives commonly reported:Easy to use, great value for bulk purchases, handy for quick repairs and prototyping, and compatible with most 5.5 x 2.1 mm DC plugs.
- Caveats frequently mentioned:Lack of detailed ratings in the product listing, occasional concerns about screw terminal longevity under high vibration, and the need to verify polarity and ratings for safety-critical uses.
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.
