{"id":10613,"date":"2026-07-20T06:39:16","date_gmt":"2026-07-20T06:39:16","guid":{"rendered":"https:\/\/ic-vendor.com\/b82498b1272j000\/"},"modified":"2026-07-20T06:39:16","modified_gmt":"2026-07-20T06:39:16","slug":"b82498b1272j000","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/es\/b82498b1272j000\/","title":{"rendered":"B82498B1272J000"},"content":{"rendered":"

Productos<\/h2>\n

The B82498B1272J000 from TDK\/EPCOS is a 2.7\u00b5H SMD inductor from the SIMID 0805-B series. With \u00b15% tolerance, Q value of 20, and 120mA saturation current, it is designed for high-frequency RF applications including impedance matching, resonant circuits, and filter networks in wireless communication systems.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
Inductance<\/td>\n2.7\u00b5H<\/td>\n<\/tr>\n
Tolerance<\/td>\n\u00b15% (J)<\/td>\n<\/tr>\n
Test Frequency<\/td>\n7.96 MHz<\/td>\n<\/tr>\n
Q Value<\/td>\n20 (minimum at test frequency)<\/td>\n<\/tr>\n
Saturation Current (Isat)<\/td>\n120 mA<\/td>\n<\/tr>\n
DC Resistance (DCR)<\/td>\n2\u03a9 (maximum)<\/td>\n<\/tr>\n
Self-Resonant Frequency (SRF)<\/td>\n200 MHz (minimum)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n
Paquete<\/td>\n0805 (2012 Metric, 2.2 x 1.45 mm)<\/td>\n<\/tr>\n
Mounting<\/td>\nMontaje en superficie<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 2.7\u00b5H inductance with \u00b15% precision tolerance<\/li>\n
  • High Q value: 20 minimum at 7.96 MHz<\/li>\n
  • High self-resonant frequency: 200MHz minimum<\/li>\n
  • Compact SIMID 0805 package for RF applications<\/li>\n
  • 120mA saturation current for signal-level applications<\/li>\n
  • Low profile: 1.45mm maximum height<\/li>\n
  • Suitable for high-frequency resonant and matching circuits<\/li>\n
  • RoHS compliant<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • RF impedance matching networks<\/li>\n
    • Wireless communication resonant circuits<\/li>\n
    • GPS and Bluetooth filter networks<\/li>\n
    • Multimedia device RF front-ends<\/li>\n
    • Antenna tuning circuits<\/li>\n
    • High-frequency signal filtering<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The B82498B1272J000 from TDK\/EPCOS is a 2.7\u00b5H SMD inductor from the SIMID 0805-B series. With \u00b15% tolerance, Q value of 20, and 120mA saturation current, it is designed for high-frequency RF applications including impedance matching, resonant circuits, and filter networks in wireless communication systems. Key Specifications Inductance 2.7\u00b5H Tolerance \u00b15% (J) Test Frequency […]<\/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":[57,13],"tags":[1954],"chip_brand":[205],"class_list":["post-10613","post","type-post","status-publish","format-standard","hentry","category-insulated-gate-bipolar-transistors-igbt","category-integrated-circuits-ics","tag-b82498b1272j000","chip_brand-tdk"],"acf":{"brief_explanation":"2.7\u00b5H RF inductor, \u00b15%, Q=20, 120mA Isat, 2\u03a9 DCR, 200MHz SRF, SIMID 0805","date_code":"","package_case":"SIMID 0805 (2.2 x 1.45 mm)","in_stock":4200,"datasheet":"https:\/\/www.tdk-electronics.tdk.com\/inf\/30\/ds\/b82498b.pdf","price":"$0.18 @ 1ku","product_introduction":"The B82498B1272J000 from TDK\/EPCOS is a 2.7\u00b5H surface-mount inductor from the SIMID 0805-B series, specifically designed for high-frequency RF applications. The device features \u00b15% tolerance (J grade) for precision impedance matching and filter design. The Q value of 20 at 7.96 MHz and self-resonant frequency of 200MHz minimum make it suitable for RF circuits operating in the HF and VHF ranges. The SIMID (Surface Mount Integrated Device) 0805 package offers a compact 2.2 x 1.45mm footprint with a low 1.45mm profile. The inductor uses a wire-wound construction on a ceramic core, providing higher Q values than multilayer alternatives at the expense of slightly larger dimensions. The 120mA saturation current suits signal-level RF applications rather than power conversion.","working_principle":"The B82498B1272J000 operates through electromagnetic energy storage in RF circuits:\n\n1. Inductance Mechanism: A precision-wound copper coil on a ceramic core provides the 2.7\u00b5H inductance. The ceramic core's low permeability ensures high self-resonant frequency (200MHz) by minimizing parasitic capacitance. The \u00b15% tolerance is achieved through precise winding control and laser or mechanical trimming.\n\n2. Q Factor: The quality factor Q = \u03c9L\/R represents the ratio of stored energy to dissipated energy per cycle. Q=20 at 7.96MHz means the inductor stores 20 times more energy than it dissipates per cycle. The wire-wound construction on ceramic core provides higher Q than multilayer inductors because the winding has lower AC resistance than printed traces.\n\n3. Self-Resonant Frequency: At 200MHz, the inductor's parasitic capacitance (inter-winding capacitance) resonates with the inductance, creating a self-resonant frequency. Below this frequency, the device behaves as an inductor; above it, the device becomes capacitive. The 200MHz SRF ensures the inductor remains inductive throughout the intended operating frequency range (up to ~100MHz).","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>Terminal 1<\/td>Passive<\/td>Inductor terminal (no polarity)<\/td><\/tr>
      2<\/td>Terminal 2<\/td>Passive<\/td>Inductor terminal (no polarity)<\/td><\/tr><\/table>","application_scenarios":"
      • RF matching: \u00b15% tolerance and Q=20 enable precise impedance matching networks in RF power amplifiers and antenna tuners at 13.56MHz (NFC) and 27MHz (ISM band)<\/li>
      • Resonant circuits: 2.7\u00b5H with 200MHz SRF suits LC tank circuits in wireless charging (6.78MHz), AM\/FM radio, and short-range radio links<\/li>
      • GPS\/Bluetooth: High Q value provides sharp filter response in bandpass and lowpass filter networks for GPS L1 (1.575GHz) and Bluetooth (2.4GHz) front-ends<\/li>
      • Multimedia devices: SIMID 0805 compact footprint for RF filtering in smartphones, tablets, and wireless audio devices where space is constrained<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TDK\/EPCOS<\/td>B82498B1272K000<\/td>SIMID 0805<\/td>\u00b110% tolerance version<\/td><\/tr>
        Coilcraft<\/td>0805CS-272XJLC<\/td>0805<\/td>2.7\u00b5H, \u00b15%, Q=45<\/td><\/tr>
        Murata<\/td>LQG15HSR27J02D<\/td>0402<\/td>2.7\u00b5H, \u00b15%, multilayer<\/td><\/tr>
        Taiyo Yuden<\/td>HK1005R27J-T<\/td>0402<\/td>0.27\u00b5H, \u00b15%, multilayer<\/td><\/tr>
        Johanson<\/td>L-07C2R7JPM<\/td>0805<\/td>2.7\u00b5H, \u00b15%, RF inductor<\/td><\/tr>
        Vishay<\/td>ILSB0805TEER27K<\/td>0805<\/td>2.7\u00b5H, \u00b110%, wirewound<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/posts\/10613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/comments?post=10613"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/posts\/10613\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/media?parent=10613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/categories?post=10613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/tags?post=10613"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/chip_brand?post=10613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}