Outer Shell/Shield: Frequency Range DC to 40 GHz, VSWR <1.3:1

Q: What is the primary function of an RF connector outer shell?

The primary function is to provide electromagnetic shielding to prevent interference and protect internal components from mechanical damage and environmental factors.

Q: How does the outer shell affect connector performance?

It maintains signal integrity by minimizing RF leakage and external EMI, ensuring stable impedance and low VSWR throughout the frequency range.

Component Specifications

Definition

The outer shell or shield is a critical component of RF connectors designed to provide robust electromagnetic interference (EMI) shielding, mechanical protection, and environmental sealing. It encloses the internal contact assembly, preventing signal degradation from external electromagnetic fields while ensuring structural integrity and durability in various operating conditions.

Working Principle

Works by creating a continuous conductive enclosure around the RF connector's internal components, forming a Faraday cage that blocks external electromagnetic interference. It provides grounding paths to dissipate unwanted currents and maintains signal integrity by preventing RF leakage.

Materials

Typically made from brass, stainless steel, or aluminum alloys with plating (gold, nickel, silver) for corrosion resistance and conductivity. Dielectric materials like PTFE may be incorporated for insulation.

Technical Parameters

Parameter	Typical range	Notes & selection driver
VSWR	<1.3:1
IP Rating	IP67
Impedance	50Ω or 75Ω
Frequency Range	DC to 40 GHz
Operating Temperature	-55°C to +125°C
Shielding Effectiveness	>90 dB at 1 GHz

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 61169, MIL-PRF-39012, DIN 47223

Parent Products

This component is used in the following industrial products

RF Connector

A specialized electrical connector designed to transmit radio frequency signals between components in electronic systems.

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Engineering Analysis

Risks & Mitigation

Corrosion leading to poor conductivity
Mechanical deformation affecting shielding
Improper grounding causing EMI issues

FMEA Triads

Trigger: Material degradation due to environmental exposure
Failure: Reduced shielding effectiveness and increased VSWR
Mitigation: Use corrosion-resistant plating and proper sealing techniques

Trigger: Improper installation torque
Failure: Mechanical damage and compromised EMI shielding
Mitigation: Follow manufacturer torque specifications and use calibrated tools

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.05mm dimensional tolerance, surface finish Ra<0.8μm

Test Method

Shielding effectiveness per MIL-STD-461, mechanical tests per IEC 60512

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 Outer Shell/Shield

Manufacturer profiles associated with Outer Shell/Shield.

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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 is the primary function of an RF connector outer shell?