High-Reliability 1.8H xTF Card Socket Connector with Mylar | Low-Profile PCB Mount Micro SD Holder | Gold-Plated Terminals & Secure Lock Structure
Product Description
This 3-Pin Male Circular Connector is designed for secure electrical and signal transmission in compact electronic systems. Featuring a 3.50mm pitch layout with precision-machined pins (Ø0.98mm), it delivers stable conductivity and low contact resistance. The connector supports tin- or gold-flash plating options to enhance corrosion resistance and long-term reliability. Its circular structure ensures easy mating and strong mechanical retention, making it suitable for power, signal, and low-voltage control lines. Custom wire length, terminal plating, and housing design are available to meet different application requirements.
| Product Type | 3-Pin Male Circular Connector |
| Pin Count | 3P |
| Pin Diameter | Ø0.98 mm |
| Pin Pitch | 3.50 mm (center distance) |
| Housing Shape | Circular male plug |
| Terminal Plating | Tin or gold flash (per customer requirement) |
| Rated Current | Refer to electrical spec (typical low-voltage signal/power) |
| Rated Voltage | 500V withstand (from drawing notes) |
| Insulation Resistance | ≥100MΩ |
| Contact Resistance | ≤30mΩ |
| Durability | Mechanical cycle per spec |
| Mounting Type | Cable-end / custom assembly |
| Material | Copper alloy terminals, molded housing |
| Compliance | RoHS 2.0 + REACH |
Applications
Consumer electronics power input modules
LED lighting controllers and driver boards
Industrial control interfaces and sensor wiring
Electric scooters, toys, and small appliances
PCB-to-wire and wire-to-wire signal transmission
Automotive low-voltage auxiliary circuits
Precautions
Ensure proper mating orientation to avoid terminal damage.
Select plating thickness based on environmental and durability requirements.
Recommended to follow standard soldering or crimping guidelines for reliable assembly.
Avoid pulling the cable directly during unplugging to maintain connector lifespan.
Keep connectors dry and free from dust to ensure optimal electrical performance.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.