{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"ACT45B-110-2P-TL003","brand":"TDK Corporation","brandSlug":"tdk-corporation","productSlug":"ACT45B-110-2P-TL003","canonicalUrl":"https://icboms.com/tdk-corporation/ACT45B-110-2P-TL003","factsUrl":"https://icboms.com/api/mcp/products/ACT45B-110-2P-TL003","rawCanonicalId":null},"summary":{"shortDescription":"TDK Corporation ACT45B series common mode choke, ACT45B-110-2P-TL003, 600 Ohms @ 10 MHz, 250 mA, 50 VDC, AEC-Q200, horizontal 4-pad SMD.","salesMarkdown":"## Common-mode filtering for signal lines The TDK ACT45B-110-2P-TL003 is a two-line common-mode choke from the ACT45B series, designed to suppress conducted noise on signal lines in automotive and industrial applications. It presents 600 Ohms of common-mode impedance at 10 MHz, which is the frequency band where most switching noise from DC-DC converters and digital buses couples onto signal pairs. Rated for 250 mA continuous current with a maximum DC resistance of 600 mOhm, the insertion loss at rated current stays within the thermal budget of the ferrite core. ## Automotive-grade reliability and temperature range Qualified to AEC-Q200, the ACT45B-110-2P-TL003 meets the stress and lifetime requirements for under-hood and passenger-cabin electronics. The 11 µH inductance at 100 kHz provides low-frequency common-mode attenuation below the 10 MHz resonance peak, filling the gap between bulk ferrite beads and higher-frequency chip filters. This dual-band characteristic suits CAN bus, LIN bus, and sensor signal lines where both switching noise and low-frequency ripple need suppression. The tape-and-reel packaging supports automated pick-and-place for volume production. The two-line configuration with four pads means each signal pair passes through the choke with the common-mode impedance in series with the return path. Layout should keep the differential pair traces close together before and after the choke to minimize loop area and preserve the common-mode rejection ratio.","metaTitle":"TDK ACT45B-110-2P-TL003 Common Mode Choke, 600 Ohm @ 10 MHz","metaDescription":"TDK ACT45B-110-2P-TL003 common mode choke, 600 Ohms @ 10 MHz, 250 mA, 50 VDC, AEC-Q200. Active production, sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["EMI Filters & Ferrite Beads"],"specifications":{"Mfr":"TDK Corporation","Series":"ACT45B","Package":"Tape & Reel (TR) Cut Tape (CT)","Ratings":"AEC-Q200","Features":"-","Filter Type":"Signal Line","Height (Max)":"0.118\\\" (3.00mm)","Mounting Type":"Surface Mount","Package / Case":"Horizontal, 4 PC Pad","Product Status":"Active","Approval Agency":"-","Number of Lines":"2","lifecycle_stage":"unknown","Size / Dimension":"0.177\\\" L x 0.126\\\" W (4.50mm x 3.20mm)","Voltage Rating - AC":"-","Voltage Rating - DC":"50V","Current Rating (Max)":"250mA","Impedance @ Frequency":"600 Ohms @ 10 MHz","Operating Temperature":"-40°C ~ 150°C","Inductance @ Frequency":"11 µH @ 100 kHz","DC Resistance (DCR) (Max)":"600mOhm"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.8500","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/3d90d19f1060740447041318adae4c74.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the common-mode impedance of ACT45B-110-2P-TL003?","answer":"The common-mode impedance is 600 Ohms at 10 MHz, which is the peak suppression frequency for this choke. Below 1 MHz the impedance drops off, so it is best paired with a bulk ferrite bead or inductor for low-frequency noise."},{"question":"What is the maximum current rating for ACT45B-110-2P-TL003?","answer":"The continuous current rating is 250 mA. Exceeding this saturates the ferrite core, reducing the effective impedance and increasing the risk of thermal runaway. The 600 mOhm DCR means a 250 mA load dissipates 37.5 mW, which is within the package's thermal capacity."},{"question":"What compliance documentation does TDK provide for ACT45B-110-2P-TL003?","answer":"TDK provides RoHS and REACH compliance documentation for the ACT45B series. The AEC-Q200 qualification report covers the stress test data. These documents are available on request with the RFQ."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/tdk-corporation/ACT45B-110-2P-TL003","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/tdk-corporation/ACT45B-110-2P-TL003 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}