INDUSTRY COMPONENT

PCB Connector

PCB connector is an electromechanical component that provides removable electrical connections between printed circuit boards and other electronic devices.

Component Specifications

Definition
A PCB connector is a precision-engineered electromechanical interface designed to establish secure, reliable, and removable electrical connections between printed circuit boards (PCBs) and other electronic components, cables, or systems. These connectors facilitate signal transmission, power distribution, and data communication in electronic assemblies while allowing for modularity, maintenance, and scalability. They are critical in ensuring signal integrity, mechanical stability, and environmental protection in various industrial applications.
Working Principle
PCB connectors operate on the principle of establishing electrical continuity through physical contact between conductive elements (typically pins and sockets). When mated, the connector's contacts create low-resistance pathways for electrical signals or power. The mechanical design ensures proper alignment, retention force, and environmental sealing. Spring-loaded contacts maintain consistent pressure to prevent intermittent connections, while insulation materials prevent short circuits. The connector's housing provides structural support and protects against mechanical stress, vibration, and contaminants.
Materials
Contacts: Phosphor bronze, beryllium copper, or brass with gold, tin, or nickel plating for conductivity and corrosion resistance. Housing: High-temperature thermoplastics (PBT, PPS, LCP) or thermosetting plastics (phenolic) with UL94 V-0 flammability rating. Insulators: Glass-filled nylon or polyester for dielectric strength. Seals: Silicone or fluorosilicone rubber for environmental protection.
Technical Parameters
ParameterTypical rangeNotes & selection driver
IP RatingIP67 (optional)
Contact Pitch2.54mm, 2.0mm, 1.27mm
Mating Cycles500 to 10,000 cycles
Current Rating1A to 50A per contact
Voltage Rating50V to 600V AC/DC
Contact Resistance<20mΩ
Insulation Resistance>1000MΩ
Operating Temperature-40°C to +125°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 9001, IEC 60512, MIL-DTL-83513

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Intermittent connections due to vibration
  • Corrosion from humidity or chemicals
  • Misalignment during mating causing damage
  • Electromagnetic interference in unshielded designs
  • Overheating from high current or poor contact
FMEA Triads
Trigger: Vibration or mechanical shock
Failure: Intermittent signal loss or open circuit
Mitigation: Use connectors with locking mechanisms, strain relief, and vibration-resistant designs; secure with additional fasteners.
Trigger: Environmental contamination (dust, moisture)
Failure: Increased contact resistance or short circuits
Mitigation: Select connectors with appropriate IP ratings (e.g., IP67), use sealed designs, and apply conformal coatings on PCBs.
Trigger: Exceeding current rating
Failure: Overheating and melting of insulation
Mitigation: Properly size connectors based on load calculations; implement thermal management; use connectors with higher current ratings.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Contact position tolerance ±0.1mm, housing dimensions per manufacturer specifications
Test Method
Electrical testing (continuity, insulation resistance), mechanical testing (mating force, durability), environmental testing (temperature cycling, humidity, salt spray)

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of PCB Connector

4 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

EFPCB
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Ningbo Max Electronic Technology Co., Ltd.
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Qualwave Inc.
Chengdu, Sichuan, CN
Also makes: Calibration Kit, Rotary Joints, Power Divider and 5 more
Listed on the company's own website · profile compiled by CNFX from public sources
ShenZhen Antenk Electronics Co,Ltd.
Beijing, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What are the main types of PCB connectors used in signal amplifiers?

Common types include board-to-board connectors (e.g., headers and sockets), wire-to-board connectors (e.g., terminal blocks), and coaxial connectors for RF signals. Specific choices depend on signal frequency, current requirements, and environmental conditions.

How do I select the right PCB connector for high-frequency applications?

For high-frequency signals (e.g., in RF amplifiers), use connectors with controlled impedance (e.g., SMA, BNC types), low insertion loss, and proper shielding to prevent signal degradation and electromagnetic interference.

What maintenance is required for PCB connectors in industrial environments?

Regular inspection for corrosion, contact wear, and contamination; cleaning with approved solvents; verification of mating force; and replacement if exceeding rated mating cycles or showing signs of failure.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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