Description
Product Overview
The weideer K-177 series delivers a robust 2.1 × 5.5 mm DC power connector designed for both male and female mounting options. Constructed from high‑grade copper pins with a tin‑plated finish, the contacts provide excellent conductivity and resistance to corrosion. Each unit includes 150 mm of 20 AWG pre‑welded wire—red for positive and black for negative—clearly marked for quick polarity verification. Rated for 30 V DC at 10 A, the connector supports a wide array of devices while maintaining stable, low‑loss power transmission. The compact dimensions (4.29 × 3.03 × 0.98 in) and lightweight design (3.52 oz) make it ideal for space‑constrained applications.
Usage
Designed for versatility, this connector fits seamlessly into household appliances such as routers, LED lighting, and portable chargers, as well as professional equipment like fitness machines, medical monitoring devices, and security cameras. Its flame‑retardant, environmentally friendly housing ensures safety in demanding environments. Whether you are assembling a DIY audio‑visual setup or repairing a toy, the dual‑socket design simplifies integration and reduces the need for additional adapters. 
Why Choose Us
Weideer combines precision engineering with rigorous quality control to deliver connectors that exceed industry standards. Each socket undergoes a tin‑plating process that enhances solderability and prolongs lifespan. The pre‑soldered wires eliminate assembly errors and save time for manufacturers and hobbyists alike. Backed by a 4.8‑star rating from 45 verified customers, the K-177 series is recognized for its reliability, consistent performance, and excellent value.
Key Features
- Dual male and female sockets in interchangeable silver and black finishes.
- 30 V DC / 10 A rating ensures safe power delivery for high‑current devices.
- 150 mm pre‑soldered 20 AWG red/black wires with clear polarity marking.
- Flame‑retardant, tin‑plated contacts for superior solderability and durability.
- Compact, lightweight design suitable for tight spaces and portable equipment.
FAQ
What devices are compatible with this 2.1mm connector?
The connector works with any equipment that uses a 2.1 × 5.5 mm DC input, including routers, LED strips, portable chargers, fitness machines, medical monitors, and audio‑visual gear.
Is the wiring polarity fixed?
Yes, the red wire is permanently connected to the positive terminal and the black wire to the negative terminal, clearly indicated by the jacket colors for error‑free installation.
Can I solder the connector directly onto a PCB?
Absolutely. The tin‑plated ends are designed for easy soldering, providing a strong, reliable joint without additional preparation.
What safety certifications does this product have?
The connector complies with RoHS and is manufactured with flame‑retardant materials, meeting international safety standards for electronic components.
How many connectors are included in the package?
Each box contains four male mount connectors, four female mount connectors, and four male barrel plugs, giving you a complete set for multiple installations.
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