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3M™ Aerospace & Defense EMI/RFI Management Solutions
Clear signals. Trusted protection. Built for harsh environments.
When it comes to improving the reliability of critical electronics, EMI/RFI control is vital. Any interference can disrupt sensitive systems, potentially causing malfunctions or failures that could jeopardize electronic operations. With decades of experience in EMI and EMI control innovation, 3M has put its material science to work to provide solutions for the unique challenges of harsh environments. 3M EMI/RFI Mangement Solutions will help you:
Minimize noise and crosstalk: Help increase signal to noise ratios so devices can function at top efficiency within their electromagnetic environments.
Improve signal integrity: Absorb EMI to help improve signal quality and maintain consistently clear signals over a wide range of frequencies.
Be more cost-effective: Help avoid electrical system redesign with quick and easy peel-and-stick adhesive application.
- EMI Absorbers
- Magnetic Shielding Materials
-
Electrically Conductive
Single-Sided Tapes -
Electrically Conductive
Double-Sided Tapes -
Electrically Conductive
Adhesive Transfer Tapes
3M™ EMI Absorbers
3M™ EMI Absorbers are flexible composite materials that incorporate specialized magnetic particles and an optional non-conductive PSA to absorb near-field EMI. They help protect nearby electronics from EMI by suppressing EMI noise at multiple frequencies. 3M absorbers are available with a wide range of performance characteristics for effective EMI management, including a variety of thicknesses, resin systems, temperature ranges, a sheet and roll format, and with and without adhesive. These thin, highly permeable magnetic absorbers help reduce EMI noise, help improve the signal-to-noise ratio for better system performance in some of the most extreme environments, and help enable thinner, lighter solutions.
Contact CustomCut.3MProducts@digikey.com for more information regarding product customizations or to request a custom quote. Specification drawings are encouraged to expedite the quoting process.
Features
- Absorbing capabilities up to 10GHz with targeted permeability up to 10GHz
- Customization available
- Absorbing performance is thickness dependent (ex. 200MHz to 4GHz for 3M absorber EM25TP)
- Helps improve antenna performance and reduce EMI interference within a device
- Multiple thicknesses and optional adhesive to create a custom stack-up
- Longer shelf life options available (up to 2 years)
- Supplied on a removable liner for easy handling
- Halogen free*
Applications
- Cable wrapping/attachment
- Attached to semicon chip/micro-processors
- Insert between module (compartment)
- Attached to noise (traces, IC's, reflective enclosure surface)
AB7000HF Series
- Good workability
- High resistivity
- High permeability
- Improved lower frequency absorber vs the 3M Absorber AB5000 series (@ <1GHz)
AB5000HF/SHF Series
- AB5000HF: Standard absorber
- AB5000SHF: Advanced EMI absorber, lower peak absorber frequency than 3M EMI Absorber AB5000HF, thermal conductivity 0.7 W/m-K
AB6000SHF Series
- Excellent for EMI shielding & insulation
- Aluminum layer provides excellent shielding effectiveness up to 18 GHz
- Available in sheets or rolls
- PET absorber reduces EMI and ESD in enclosed cavities
AB7000E Series
- High permeability
- Available with and without (-WO) adhesive
- Long shelf life (18 months)
- Broader temperature performance than 3M absorber AB7000HF series
AB8000 Series
- High permeability
- High performance resin system for solder reflow stable performance
- High temperature resistance (150°C)
- Available without adhesive (-WO)
- Long shelf life (2 years)
3M™ Magnetic Shielding Materials
3M™ Magnetic Shielding Materials are thin, lightweight, magnetic materials that interact and influence electromagnetic (EM) fields. More effective than copper or aluminum tapes at low frequencies, these materials help protect sensitive electronic components and circuitry by shielding external low-frequency magnetic fields (<1MHz). Their very high magnetic permeability and low magnetic loss help protect against strong magnetic fields and help enable flux field redirection for applications less than 20MHz.
Contact CustomCut.3MProducts@digikey.com for more information regarding product customizations or to request a custom quote. Specification drawings are encouraged to expedite the quoting process.
Features
- High permeability magnetic foil
- Low resistivity options
- Good workability
- Approximately 80,000 permeability dependent on product and thickness
- Thin overall construction
- Optional pressure sensitive acrylic tape for high adhesion
- Supplied on a removable liner for easy removal
- Customization available
Applications
- Avionic system shielding
- Analog component shielding
- NFC Antenna shielding
- Inertial measurement units (IMUs) sensor shielding
EM80K Series
- Low frequency focused for magnetic field
- High permeability magnetic foil
- Thin overall product construction allows for thinner design
EM25TP Series
- Broad frequency absorber
- High permeability magnetic film
- Absorbing performance 100MHz - 4GHz
- Targeted permeability for magnetic shielding <5MHz - 10MHz
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3M™ Electrically Conductive Single-Sided Tapes
3M™ Electrically Conductive Single-Sided Tapes deliver XYZ-axis conductivity in a variety of conductive adhesives, carriers, and fillers to provide EMI/RFI shielding and/or grounding across multiple frequencies for critical systems. Copper foil tapes provide maximum shielding effectiveness and metalized fabric tapes offer improved conformability. These tapes are available in multiple thicknesses and the flexibility, conformability, strong adhesion, and temperature resistance needed for critical applications.
Contact CustomCut.3MProducts@digikey.com for more information regarding product customizations or to request a custom quote. Specification drawings are encouraged to expedite the quoting process.
Features
- XYZ-axis conductivity
- Conformability and edge conformance
- Excellent EMI/ESD and electrical performance over time
- Reliable electrical contact in small areas and bond lines
- High adhesion for reliable contact to various substrates
- Great handling & workability
- Thin and lightweight for applications with less Z-space
Applications
- Shield can lid
- Shielding display wrap
- PIM management
- Sensor grounding
- Display chip on flex
3304BC-S Series
- Scratch-resistant black copper foil
- Excellent edge conformability
- High shielding performances
1020BC Series
- XYZ-conductivity
- Excellent EMI shielding performance
- Excellent conformability and quick bonding
- Reliable contacts to small size grounding areas
- High adhesion and good grounding performance to many surface types
- Black conductive coating
1050TC Series
- XYZ-conductivity
- Conformable, quick bonding
- Copper foil backing
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3M™ Electrically Conductive Double-Sided Tapes
3M™ Electrically Conductive Double-Sided Tapes feature XYZ-axis conductivity and a carrier coated with adhesive on both sides. Easier to handle and die-cut than adhesive transfer tapes without a carrier, these tapes provide enhanced EMI performance where and when you need it, with flexibility, conformability, high adhesion, and excellent temperature resistance. Choose copper foil tapes for maximum shielding effectiveness over a broad frequency range, and metalized fabric tapes for better conformability to irregular surfaces.
Contact CustomCut.3MProducts@digikey.com for more information regarding product customizations or to request a custom quote. Specification drawings are encouraged to expedite the quoting process.
Features
- XYZ-axis conductivity
- A broad range of thicknesses
- Electrical contact to small contact areas and bond lines
- Excellent grounding performance over time
- Great EMI shielding in bond line gap
- Multiple levels of adhesion, conformability, and flexibility
- Adhesion to a variety of substrates and surfaces
- Great handling & workability
Applications
- Flex circuit to flex circuit interconnection
- Sensor grounding
- Electrostatic discharge (ESD)
- EMI shield and gasket attachment
- PCB/flex/chasis grounding
9772 Series
- Good EMI shielding in the bondline gap
- Best XY-axis electrical resistance in double-sided conductive PSAs
- Low PIM
9711S Series
- Low contact resistance
- High adhesion
- Excellent conformability
- Quick bonding
- Wide range of thickness options
3M™ Electrically Conductive Adhesive Transfer Tapes
3M™ Electrically Conductive Adhesive Transfer Tapes deliver a broad spectrum of performance, including high EMI shielding in the bond line gap for high-frequency attenuation, stable contact resistance for reliable electrical conductivity, and ultra-comfortability for reliable contact to various substrates. The Z-axis conductive tapes are ideal for flex-PCB bonding, virtually eliminating the need for a mechanical connector. Multiple thicknesses, conductive fillers, particle designs, and low-outgassing (ASTM E595 Class A) options are available.
Contact CustomCut.3MProducts@digikey.com for more information regarding product customizations or to request a custom quote. Specification drawings are encouraged to expedite the quoting process.
Features
- XYZ-axis conductivity
- A broad range of thicknesses
- Electrical contact to small contact areas and bond lines
- Excellent grounding performance over time
- Great EMI shielding in bond line gap
- Multiple levels of adhesion, conformability, and flexibility
- Adhesion to a variety of substrates and surfaces
- Great handling & workability
- Longer shelf life options
Applications
- Flex circuit to flex circuit interconnection
- Sensor grounding
- Electrostatic discharge (ESD)
- EMI shield and gasket attachment
- PCB/flex/chasis grounding
- Camera module grounding
- Bond line gap shielding
9703 Series
- Anisotropic Z-axis electrical conductivity
- Low outgassing
- Pressure-sensitive adhesive (PSA) tack properties
- Thermal curing not required
9712 Series
- Standard adhesion
- No nickel
- Non-magnetic material
- Nonwoven conductive scrim
9713 Series
- Standard adhesion
- Isotropic XYZ-axis electrical connectivity
- Uses nickel plated carbon scrim
- Good contact with both hard and soft surfaces
- Excellent die-cutting and converting capabilities
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