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My RFQ

RF Shields

Category Introduction

RF Shields are metal devices that are designed to block or reduce electromagnetic interference to provide protection for components. The characteristics are type, height, length, width, ventilation, and mounting type. The types are CAN, cover, frame, shield 1-piece, and shield 2-piece with the mounting types being adhesive, snap-fit, solder, solder and snap on, surface mount, and through hole.

Product List

16306 Items
PDF Mfr Part # Quantity
Available		 UnitPrice RFQ Series Packaging Product StatusTypeHeight - OverallLength - OverallWidth - OverallVentilationMounting Type
2118716-2
2118716-2
RF SHIELD 0.65" X 0.65" SMD
TE Connectivity AMP Connectors
 335 $0.67
Tape & Reel (TR) ActiveFrame0.142" (3.60mm)0.650" (16.50mm)0.650" (16.50mm)-Surface Mount
SMS-202F
SMS-202F
RF SHIELD 0.65" X 0.65" SMD
Leader Tech Inc.
 543 $0.99
Tape & Reel (TR) ActiveFrame0.142" (3.60mm)0.650" (16.51mm)0.650" (16.51mm)-Surface Mount
BMI-S-201-F
BMI-S-201-F
RF SHIELD 0.5" X 0.538" SOLDER
Laird Technologies EMI
 285 $1.48
SMT 2 Piece Tape & Reel (TR) ActiveFrame0.100" (2.54mm)0.538" (13.66mm)0.500" (12.70mm)-Surface Mount
BMI-S-101
BMI-S-101
RF SHIELD 0.5"X0.538" SOLDER 1PC
Laird Technologies EMI
 37 $1.57
SMT 1 Piece Tape & Reel (TR) ActiveShield, 1-Piece0.100" (2.54mm)0.538" (13.66mm)0.512" (13.00mm)Vent Holes in PatternSurface Mount
S03-15100300R
S03-15100300R
RF SHIELD 0.394" X 0.591" SMD
Harwin Inc.
 215 $1.25
EZ BoardWare Tape & Reel (TR) ActiveCAN0.118" (3.00mm)0.591" (15.00mm)0.394" (10.00mm)Non-VentedSurface Mount
BMI-S-201-C
BMI-S-201-C
RF SHIELD 0.514"X0.552" SNAP FIT
Laird Technologies EMI
 892 $0.74
SMT 2 Piece Tray ActiveCover0.079" (2.00mm)0.552" (14.02mm)0.514" (13.06mm)Vent Holes in PatternSnap Fit
SMS-254F
SMS-254F
RF SHIELD 1.034" X 1.034" SMD
Leader Tech Inc.
 307 $1.31
Tape & Reel (TR) ActiveFrame0.098" (2.49mm)1.034" (26.26mm)1.034" (26.26mm)-Surface Mount
BMI-S-202-F
BMI-S-202-F
RF SHIELD 0.65" X 0.65" SOLDER
Laird Technologies EMI
 304 $1.87
SMT 2 Piece Tape & Reel (TR) ActiveFrame0.142" (3.60mm)0.650" (16.50mm)0.650" (16.50mm)-Surface Mount
BMI-S-205-F
BMI-S-205-F
RF SHIELD 1" X 1.5" SOLDER
Laird Technologies EMI
 108 $1.70
SMT 2 Piece Tape & Reel (TR) ActiveFrame0.236" (6.00mm)1.500" (38.10mm)1.000" (25.40mm)-Surface Mount
36103205S
36103205S
RF SHIELD 0.787" X 0.787" SMD
Würth Elektronik
 236 $1.51
WE-SHC Tape & Reel (TR) ActiveFrame0.118" (3.00mm)0.787" (20.00mm)0.787" (20.00mm)-Surface Mount
BMI-S-205-C
BMI-S-205-C
RF SHIELD 1.018"X1.518" ADHESIVE
Laird Technologies EMI
 200 $1.29
SMT 2 Piece Bulk ActiveCover0.079" (2.00mm)1.518" (38.56mm)1.018" (25.86mm)Vent Holes in PatternSnap Fit
BMI-S-209-F
BMI-S-209-F
RF SHIELD 0.728" X 1.156" SOLDER
Laird Technologies EMI
 345 $1.92
SMT 2 Piece Tape & Reel (TR) ActiveFrame0.276" (7.00mm)1.156" (29.36mm)0.728" (18.50mm)-Surface Mount
SMS-255F
SMS-255F
RF SHIELD 0.75" X 0.75" SMD
Leader Tech Inc.
 258 $2.00
Tape & Reel (TR) ActiveFrame0.200" (5.08mm)0.750" (19.05mm)0.750" (19.05mm)-Surface Mount
BMI-S-210-F
BMI-S-210-F
RF SHIELD 1.201" X 1.732" SOLDER
Laird Technologies EMI
 390 $2.19
SMT 2 Piece Tape & Reel (TR) ActiveFrame0.118" (3.00mm)1.732" (44.00mm)1.201" (30.50mm)-Surface Mount
BMI-S-209-C
BMI-S-209-C
RF SHIELD 0.728"X1.156" SNAP FIT
Laird Technologies EMI
 419 $1.57
SMT 2 Piece Bulk ActiveCover0.118" (3.00mm)1.180" (29.96mm)0.752" (19.10mm)Non-VentedSnap Fit
BMI-S-230-C
BMI-S-230-C
RF SHIELD 2" X 1.5" SNAP FIT
Laird Technologies EMI
 4 $1.57
SMT 2 Piece Bulk ActiveCover0.125" (3.18mm)1.514" (38.46mm)2.014" (51.16mm)Non-VentedSnap Fit
BMI-S-202-C
BMI-S-202-C
RF SHIELD 0.668"X0.668" SNAP FIT
Laird Technologies EMI
 15 $1.65
SMT 2 Piece Bulk ActiveCover0.079" (2.00mm)0.668" (16.96mm)0.668" (16.96mm)Vent Holes in PatternSnap Fit
SMS-409F
SMS-409F
RF SHIELD 0.728" X 1.156" SMD
Leader Tech Inc.
 151 $2.58
Tape & Reel (TR) ActiveFrame0.276" (7.01mm)1.156" (29.36mm)0.728" (18.49mm)-Surface Mount
BMI-S-203-F
BMI-S-203-F
RF SHIELD 1.032" X 1.032" SOLDER
Laird Technologies EMI
 79 $2.62
SMT 2 Piece Tape & Reel (TR) ActiveFrame0.200" (5.08mm)1.032" (26.21mm)1.032" (26.21mm)-Surface Mount
BMI-S-203-C
BMI-S-203-C
RF SHIELD 1.05" X 1.05" SNAP FIT
Laird Technologies EMI
 186 $1.91
SMT 2 Piece Bulk ActiveCover0.079" (2.00mm)1.050" (26.67mm)1.050" (26.67mm)Vent Holes in PatternSnap Fit

About RF Shields

What are RF Shields?

RF Shields

RF Shields, or Radio Frequency Shields, are protective enclosures designed to block or attenuate electromagnetic interference (EMI) and radio frequency interference (RFI) from affecting electronic devices. These shields work by creating a barrier that reflects or absorbs electromagnetic waves, preventing them from penetrating sensitive components. The basic operating principle involves using conductive materials, such as metals, to form a Faraday cage around the device or circuit. This cage effectively neutralizes external electromagnetic fields, ensuring the device operates without interference from external RF sources.

Types of RF Shields

Board-Level Shields

Board-level shields are small, lightweight enclosures designed to protect individual components or small sections of a circuit board. They are typically used in compact electronic devices like smartphones and tablets. These shields are often made from stamped metal and can be easily soldered onto the circuit board, providing localized protection against RF interference.

Enclosure Shields

Enclosure shields are larger structures that house entire electronic systems or devices. They are commonly used in industrial settings where equipment is exposed to high levels of EMI. These shields can be made from metal or conductive coatings applied to plastic enclosures, offering robust protection for the entire device.

Fabric Over Foam Shields

Fabric over foam shields are flexible, lightweight solutions often used in applications where traditional metal shields are impractical. They consist of conductive fabric wrapped around a foam core, providing effective shielding while allowing for easy installation and removal. These shields are ideal for irregularly shaped components or devices.

Gasket Shields

Gasket shields are used to seal gaps and seams in electronic enclosures, preventing RF leakage. They are typically made from conductive elastomers or metal-filled silicone, providing a reliable seal that maintains the integrity of the shielded enclosure. Gasket shields are essential in ensuring complete RF protection in complex assemblies.

How to choose RF Shields?

When selecting RF shields, several key parameters should be considered:

  • Material: Choose a material that offers the desired level of conductivity and durability. Common materials include copper, aluminum, and conductive fabrics.
  • Shielding Effectiveness: Evaluate the shield's ability to attenuate RF signals, typically measured in decibels (dB). Higher dB ratings indicate better performance.
  • Size and Form Factor: Ensure the shield fits the specific dimensions and shape of the component or device it will protect.
  • Installation Requirements: Consider ease of installation and compatibility with existing systems. Some shields may require soldering, while others offer adhesive backing or snap-on designs.
  • Environmental Factors: Assess the shield's resistance to environmental conditions such as temperature, humidity, and chemical exposure.

To evaluate product quality and reliability, review supplier certifications, customer reviews, and performance testing data. Consider working with reputable suppliers who offer comprehensive support and customization options.

Applications of RF Shields

Telecommunications

In the telecommunications industry, RF shields are used to protect sensitive equipment like base stations and antennas from external interference. They ensure clear signal transmission and reception, maintaining the quality and reliability of communication networks.

Medical Devices

RF shields are critical in medical devices such as MRI machines and pacemakers, where electromagnetic interference can disrupt functionality and pose safety risks. Shields help maintain device accuracy and patient safety by preventing unwanted RF exposure.

Automotive

In the automotive industry, RF shields protect electronic control units (ECUs) and infotainment systems from interference caused by other vehicle components. This ensures reliable operation of safety features and communication systems within the vehicle.

Aerospace

Aerospace applications require RF shields to protect avionics and communication systems from high levels of EMI encountered during flight. Shields ensure the safe and efficient operation of aircraft systems, contributing to overall flight safety.

Consumer Electronics

In consumer electronics, RF shields are used in devices like smartphones, laptops, and gaming consoles to prevent interference from nearby electronic devices. They help maintain device performance and user experience by ensuring stable operation in crowded RF environments.