INDUSTRY COMPONENT

PCB Connectors

PCB connectors are electromechanical components that provide removable electrical connections between printed circuit boards and other devices in industrial communication systems.

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Component Specifications

Definition
PCB connectors are precision-engineered electromechanical interfaces designed to establish reliable, removable electrical connections between printed circuit boards (PCBs) and external devices, cables, or other PCBs. In communication protocol boards, these connectors facilitate signal transmission, power delivery, and data exchange while allowing for modular assembly, maintenance, and upgrades. They are critical for ensuring signal integrity, mechanical stability, and environmental protection in industrial applications.
Working Principle
PCB connectors operate by establishing physical and electrical contact between conductive pins (male) and sockets (female) through mechanical mating. When connected, metal contacts within the connector create low-resistance pathways for electrical signals or power. Spring-loaded contacts, insulation displacement, or soldered terminations ensure stable connections. The housing provides alignment, strain relief, and protection against environmental factors like dust, moisture, and vibration.
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 thermosets (epoxy) for insulation and durability. Insulators: Glass-filled polymers for dimensional stability. Seals: Silicone or rubber gaskets for IP-rated versions.
Technical Parameters
ParameterTypical rangeNotes & selection driver
IP RatingIP20 to IP67
Contact Pitch0.5mm to 5.08mm
Mating Cycles500 to 10,000 cycles
Current Rating1A to 50A
Voltage Rating50V to 1000V
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
IEC 60664-1, UL 94, RoHS, REACH

Parent Products

This component is used in the following industrial products

Communication Protocol Board

Electronic circuit board that manages data exchange protocols within flow control systems

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Engineering Analysis

Risks & Mitigation
  • Intermittent connections due to vibration
  • Corrosion in humid environments
  • Misalignment during mating causing damage
  • Electromagnetic interference (EMI) affecting signal quality
  • Thermal expansion mismatches leading to stress
FMEA Triads
Trigger: Vibration or mechanical shock
Failure: Intermittent electrical connection or contact separation
Mitigation: Use locking mechanisms (latches, screws), strain relief, and connectors rated for high vibration environments.
Trigger: Exposure to moisture or contaminants
Failure: Corrosion, short circuits, or increased contact resistance
Mitigation: Select IP-rated connectors with sealed housings, apply conformal coating to PCB, and use corrosion-resistant platings.
Trigger: Improper handling during installation
Failure: Bent pins, cracked housing, or misalignment
Mitigation: Implement training for assembly personnel, use alignment guides or keying features, and follow ESD precautions.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Contact position tolerance ±0.1mm, housing dimensions per manufacturer drawings
Test Method
Electrical testing (continuity, insulation resistance), mechanical testing (mating force, durability cycles), environmental testing (temperature cycling, humidity, salt spray per IEC 60529)

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 Connectors

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.

Ningbo Max Electronic Technology Co., Ltd.
Zhejiang, CN
Also makes: Feed-through Terminal Blocks, Terminal Block
Listed on the company's own website · profile compiled by CNFX from public sources
View profile Send enquiry
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
View profile Send enquiry
ShenZhen Antenk Electronics Co,Ltd.
Guangdong, CN
Also makes: Aluminum Cable Gland, Smartphones, Circuit Breaker / Fuse Holder and 3 more
Listed on the company's own website · profile compiled by CNFX from public sources
View profile Send enquiry
Shenzhen Shenghongyue Technology Co., Ltd.
Shenzhen, Guangdong, CN
Also makes: Signal Connectors, Industrial Camera, Connector / Cable Assembly and 1 more
Listed on the company's own website · profile compiled by CNFX from public sources
View profile Send enquiry

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 communication protocol boards?

Common types include board-to-board (stacking or mezzanine), wire-to-board (terminal blocks or headers), and I/O connectors (D-sub, RJ45, USB). Selection depends on signal type, density, and environmental requirements.

How do I ensure signal integrity in high-speed communication applications?

Use connectors with controlled impedance, shielding for EMI/RFI protection, and proper grounding. Match connector specifications to signal frequency and consider differential pair routing for protocols like Ethernet or USB.

What maintenance is required for PCB connectors in industrial environments?

Regular inspection for corrosion, contact wear, and debris; cleaning with approved solvents; and verification of mating force and alignment. Follow manufacturer guidelines for lubrication if specified.

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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PCB Connector PCB Layer (if applicable)
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