{"id":6829,"date":"2026-06-21T12:49:04","date_gmt":"2026-06-21T12:49:04","guid":{"rendered":"https:\/\/ic-vendor.com\/mpz2012s102atd25\/"},"modified":"2026-06-21T12:49:04","modified_gmt":"2026-06-21T12:49:04","slug":"mpz2012s102atd25","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/ar\/mpz2012s102atd25\/","title":{"rendered":"MPZ2012S102ATD25"},"content":{"rendered":"<h2>\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n<p>The MPZ2012S102ATD25 from TDK is a 1000 Ohm (1kOhm) multilayer chip ferrite bead in an 0805 (2012 metric) package with 2A rated current for EMI suppression.<\/p>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<table>\n<tr>\n<td>\u0627\u0644\u0646\u0648\u0639<\/td>\n<td>Multilayer Chip Ferrite Bead (EMI Filter)<\/td>\n<\/tr>\n<tr>\n<td>Impedance @ 100MHz<\/td>\n<td>1000 Ohm (102)<\/td>\n<\/tr>\n<tr>\n<td>DC Resistance (DCR)<\/td>\n<td>0.2 Ohm (max)<\/td>\n<\/tr>\n<tr>\n<td>Rated Current<\/td>\n<td>2 A<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n<td>0805 (2012 metric, 2.0 x 1.25 mm)<\/td>\n<\/tr>\n<tr>\n<td>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n<td>-55C to +125C<\/td>\n<\/tr>\n<tr>\n<td>Tolerance<\/td>\n<td>+\/-25% (impedance)<\/td>\n<\/tr>\n<tr>\n<td>Construction<\/td>\n<td>Multilayer ferrite, nickel barrier, tin plating<\/td>\n<\/tr>\n<\/table>\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n<ul>\n<li>1000 Ohm impedance at 100 MHz for high EMI suppression<\/li>\n<li>2 A rated current for power line filtering<\/li>\n<li>Low 0.2 Ohm DC resistance minimizes voltage drop<\/li>\n<li>Compact 0805 (2012) surface mount package<\/li>\n<li>Multilayer construction for high reliability<\/li>\n<li>RoHS compliant (lead-free termination)<\/li>\n<\/ul>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>Power line EMI filtering on DC rails<\/li>\n<li>Signal line noise suppression<\/li>\n<li>USB and HDMI cable EMI filtering<\/li>\n<li>Switching power supply output filtering<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The MPZ2012S102ATD25 from TDK is a 1000 Ohm (1kOhm) multilayer chip ferrite bead in an 0805 (2012 metric) package with 2A rated current for EMI suppression. Key Specifications Type Multilayer Chip Ferrite Bead (EMI Filter) Impedance @ 100MHz 1000 Ohm (102) DC Resistance (DCR) 0.2 Ohm (max) Rated Current 2 A Package 0805 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,13],"tags":[],"chip_brand":[205],"class_list":["post-6829","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-tdk"],"acf":{"brief_explanation":"1000 Ohm Ferrite Bead, 2A, 0805, Multilayer Chip EMI Filter","date_code":"","package_case":"0805 (2012 metric, 2.0 x 1.25 x 0.85 mm)","in_stock":56789,"datasheet":"https:\/\/product.tdk.com\/en\/search\/emc\/emc\/ferrite-bead\/info?part_no=MPZ2012S102ATD25","price":"$0.008 @ 1ku","product_introduction":"The MPZ2012S102ATD25 from TDK is a multilayer chip ferrite bead providing 1000 Ohm impedance at 100 MHz in a compact 0805 surface mount package. The device is designed for EMI suppression on power and signal lines, where its high-frequency impedance attenuates conducted noise while the low 0.2 Ohm DC resistance minimizes voltage drop on DC power rails. The 2 A rated current supports moderate-power supply line filtering. The multilayer ferrite construction uses internal electrode layers to create a 3D impedance structure, achieving high impedance in a small footprint. The nickel barrier and tin plating on terminations ensure reliable soldering and prevent silver migration.","working_principle":"The MPZ2012S102ATD25 uses a multilayer ferrite construction where alternating internal silver-palladium electrode layers are embedded in a ferrite ceramic body. At DC and low frequencies, the device presents only the DC resistance of the internal conductors (0.2 Ohm), allowing power current to flow with minimal voltage drop. At high frequencies (100 MHz and above), the ferrite material's frequency-dependent complex permeability causes the impedance to increase dramatically. The impedance at 100 MHz is predominantly resistive (real part), meaning it absorbs EMI energy as heat rather than reflecting it back into the circuit. The 1000 Ohm impedance at 100 MHz provides approximately 40 dB of attenuation when used in a 50 Ohm system. The ferrite bead acts as a lossy inductor where the quality factor (Q) is intentionally low (Q < 1 at 100 MHz), ensuring broadband noise absorption without resonance issues that could amplify noise at specific frequencies.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Type<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>Terminal 1<\/td><td>Terminal<\/td><td>Series connection point (no polarity)<\/td><\/tr><tr><td>2<\/td><td>Terminal 2<\/td><td>Terminal<\/td><td>Series connection point (no polarity)<\/td><\/tr><\/table>","application_scenarios":"<ul><li>3.3V MCU power rail decoupling with ferrite bead for EMI isolation<\/li><li>USB 2.0 D+\/D- signal line common-mode EMI suppression<\/li><li>Switching regulator output ferrite bead filter to attenuate switching ripple<\/li><li>WiFi module 3.3V supply ferrite bead for RF noise isolation<\/li><\/ul>","alternative_models":"<table><tr><th>Manufacturer<\/th><th>Part Number<\/th><th>Package<\/th><th>Notes<\/th><\/tr><tr><td>TDK<\/td><td>MPZ2012S601ATD25<\/td><td>0805<\/td><td>600 Ohm, 3A, same series<\/td><\/tr><tr><td>Murata<\/td><td>BLM21AG102SN1D<\/td><td>0805<\/td><td>1000 Ohm, 2A, equivalent<\/td><\/tr><tr><td>Taiyo Yuden<\/td><td>FBMH2012HM601TN<\/td><td>0805<\/td><td>600 Ohm, similar class<\/td><\/tr><tr><td>TDK<\/td><td>MPZ1608S102ATD25<\/td><td>0603<\/td><td>1000 Ohm, smaller package<\/td><\/tr><tr><td>Wurth<\/td><td>742792091<\/td><td>0805<\/td><td>1000 Ohm, 3A, equivalent<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/6829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/comments?post=6829"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/6829\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/media?parent=6829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/categories?post=6829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/tags?post=6829"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=6829"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}