Shielding/ Housing: Material Thickness 0.8-2.0 mm

Component Specifications

Definition

A specialized enclosure component designed for Intermediate Frequency (IF) amplifiers that provides electromagnetic interference (EMI) and radio frequency interference (RFI) shielding while offering mechanical protection and thermal management. It isolates the amplifier's sensitive circuitry from external electromagnetic fields and prevents internal emissions from affecting nearby components.

Working Principle

Operates on the principle of Faraday cage effect, where conductive materials create a barrier that attenuates electromagnetic fields through reflection, absorption, and multiple internal reflections. The housing redirects electromagnetic energy around the protected circuitry rather than allowing it to penetrate.

Materials

Typically aluminum alloys (6061, 5052), steel (cold-rolled, galvanized), copper alloys, or conductive plastics with metal coatings. May include gaskets made of conductive elastomers (silver-filled silicone, nickel-graphite) for seam sealing.

Technical Parameters

Parameter	Typical range	Notes & selection driver
IP Rating	IP54-IP67
Mounting Type	Screw, snap-fit, or slide-in
Surface Finish	Conductive paint, anodizing, or plating
Material Thickness	0.8-2.0 mm
Operating Temperature	-40°C to +85°C
Shielding Effectiveness	40-100 dB @ 10 MHz - 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 61000-5-7, MIL-STD-461, ISO 11452-2, DIN EN 50147-1

Parent Products

This component is used in the following industrial products

IF Amplifier

An electronic amplifier that boosts the intermediate frequency (IF) signal in a Low-Noise Block Downconverter (LNB).

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Engineering Analysis

Risks & Mitigation

Inadequate shielding leading to signal interference
Corrosion compromising conductivity
Thermal management failure
Mechanical stress causing cracks or deformation
Improper grounding creating ground loops

FMEA Triads

Trigger: Poor seam design or damaged gaskets
Failure: EMI leakage through gaps
Mitigation: Implement continuous conductive gaskets, minimize seams, use EMI finger stock, and conduct regular shielding effectiveness testing

Trigger: Material corrosion or oxidation
Failure: Reduced conductivity and shielding effectiveness
Mitigation: Apply protective coatings (anodizing, plating), use corrosion-resistant alloys, and implement proper environmental sealing

Trigger: Inadequate thermal design
Failure: Component overheating and performance degradation
Mitigation: Incorporate heat sinks, ventilation with EMI screens, thermal interface materials, and conduct thermal analysis during design

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.2 mm for critical dimensions, flatness within 0.1 mm over 100 mm

Test Method

Shielding effectiveness tested per IEC 61000-5-7 using dual chamber method, mechanical testing per ISO 16750-3 for vibration and shock resistance

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 Shielding/ Housing

Manufacturer profiles associated with Shielding/ Housing.

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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 IF amplifier shielding housing?

To protect sensitive intermediate frequency amplifier circuits from electromagnetic interference while containing internal emissions and providing mechanical protection.

How does material selection affect shielding performance?

Conductive materials like aluminum and copper provide better high-frequency shielding, while steel offers better low-frequency magnetic shielding. Material thickness and conductivity directly impact attenuation levels.

What maintenance is required for shielding housings?

Regular inspection of conductive gaskets and seams for damage, cleaning of contact surfaces to maintain conductivity, and checking for corrosion or physical deformation.

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.

Shielding/ Housing