3M™ Flux Field Directional Material EM25TP is a magnetic composite material consisting of a carrier resin with magnetic fillers. This versatile material can be used efficiently for EMI absorbing and magnetic shielding. 3M absorber EM25TP offers extremely high permeability and high magnetic loss to suppress EMI noise at the target frequency range. Because it functions as both an EMI absorber and a magnetic shield, this material is excellent for creating high-performing custom stackups and preventing short circuits in electrical systems. Customization options include an acrylic pressure sensitive adhesive (PSA) for fast, easy application and a black PET top film layer for added durability. The 3M EM25TP is also designed to efficiently couple to the magnetic field, and redirect it in low frequencies up to 15 MHz.
El material direccional para campo de flujo EM25TP de 3M™ tiene cinco opciones de espesor de capa magnética de 0,025 mm a 0,250 mm. El espesor total varía con la pila seleccionada del adhesivo opcional y la cubierta de película de PET.
El material direccional para campo de flujo de la serie EM25TP de 3M™ tiene una alta permeabilidad magnética (μ'), lo que hace que el material EM25TP de 3M sea ideal para proteger campos magnéticos de CA de 100 kHz a 10 MHz. La alta pérdida magnética (μ") permite una absorción efectiva de interferencias electromagnéticas en el rango de frecuencia de 100 MHz a 4 GHz.