PCB Mounting Pins: Temperature Range -40°C to +125°C

Q: What are the main functions of PCB mounting pins in power regulation modules?

PCB mounting pins serve three primary functions: mechanical stabilization of PCBs within the module chassis, electrical grounding to prevent EMI/RFI interference, and providing reliable conductive pathways between PCB layers and external connections.

Q: How do I select the appropriate PCB mounting pin for my application?

Consider these factors: current carrying requirements (3-15A typical), environmental conditions (temperature, humidity), vibration levels, PCB thickness, required insertion/withdrawal force, and compatibility with existing mounting holes. Always verify material specifications and plating for corrosion resistance.

Q: Can PCB mounting pins be reused after installation?

Threaded pins can typically be reused 3-5 times if undamaged, while press-fit pins are generally single-use due to deformation during installation. Always inspect for plating wear, thread damage, or deformation before reuse in critical applications.

Component Specifications

Definition

PCB mounting pins are small, cylindrical conductive components designed to mechanically secure printed circuit boards (PCBs) within power regulation modules while establishing reliable electrical connections between the PCB and other module elements. These pins typically feature precision-machined threads or press-fit designs that ensure stable positioning, proper grounding, and consistent signal transmission in industrial electrical equipment.

Working Principle

PCB mounting pins function by providing both mechanical support and electrical pathways. Mechanically, they anchor the PCB to the module chassis through threaded or interference-fit connections, preventing vibration-induced displacement. Electrically, they create conductive bridges between PCB traces and ground planes or other circuit elements, often serving as grounding points or signal carriers while maintaining isolation from adjacent components.

Materials

Typically made from brass (C36000/C37700) or phosphor bronze (C51000/C52100) with optional nickel or gold plating (3-5μm) for corrosion resistance and improved conductivity. High-temperature applications may use beryllium copper (C17200) or stainless steel (304/316) with conductive coatings.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Length	8-25mm
Diameter	2.0-5.0mm
Resistance	<5mΩ
Thread Type	M2-M4 metric or #4-40 UNC
Current Rating	3-15A
Insertion Force	20-100N
Plating Thickness	3-8μm
Temperature Range	-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 60950-1, IPC-A-610, RoHS, REACH

Parent Products

This component is used in the following industrial products

Power Regulation Module

Electronic component that regulates and stabilizes power supply to camera circuits

View Product Details

Engineering Analysis

Risks & Mitigation

Insufficient grounding leading to EMI issues
Vibration-induced loosening
Galvanic corrosion in mixed-material assemblies
Over-torquing during installation
Thermal expansion mismatch

FMEA Triads

Trigger: Incorrect torque application during installation
Failure: Thread stripping or cracked PCB mounting holes
Mitigation: Use calibrated torque drivers (0.4-1.2Nm range) and follow manufacturer installation guidelines

Trigger: Material incompatibility in corrosive environments
Failure: Galvanic corrosion at pin-PCB interface
Mitigation: Select compatible materials (e.g., gold-plated pins for gold-plated PCB pads) and use conformal coatings

Trigger: Thermal cycling in high-power applications
Failure: Fatigue cracking at solder joints
Mitigation: Implement strain relief designs and use high-temperature solder alloys (Sn96.5Ag3Cu0.5)

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.05mm diameter, ±0.1mm length, thread pitch tolerance per ISO 965-1 Medium class

Test Method

IPC-TM-650 for solderability, MIL-STD-202 for vibration resistance, IEC 60068-2-6 for mechanical shock testing

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.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of PCB Mounting Pins

Manufacturer profiles associated with PCB Mounting Pins.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What are the main functions of PCB mounting pins in power regulation modules?