{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TAJB106K020K","brand":"KYOCERA AVX","brandSlug":"kyocera-avx","productSlug":"TAJB106K020K","canonicalUrl":"https://icboms.com/kyocera-avx/TAJB106K020K","factsUrl":"https://icboms.com/api/mcp/products/TAJB106K020K","rawCanonicalId":null},"summary":{"shortDescription":"KYOCERA AVX TAJ series, molded tantalum capacitor, 10 µF ±10%, 20 V rated, 2.1 Ohm ESR, B case 1411 (3528 Metric) / 1210, -55 to 125 °C","salesMarkdown":"## 10 µF, 20 V, 2.1 Ohm ESR — the ESR is the thermal bottleneck The TAJB106K020K: This is a 10 µF tantalum capacitor rated at 20 V with a 2.1 Ohm ESR. The ESR figure is the key thermal parameter: at a given ripple current, the power dissipated as heat is I² × ESR. For a 10 µF part in a B case, 2.1 Ohm is a mid-range value — it limits the AC ripple current the capacitor can handle before self-heating exceeds the 125 °C ceiling. In a DC-blocking or bypass role the ESR is less critical; in output filtering of a switching regulator it sets the ripple voltage and the capacitor's own temperature rise. The capacitance tolerance of ±10% holds across the range, though the ESR rises at low temperature — expect roughly 2× the 25 °C value at -55 °C. ## Active production — no end-of-life watch KYOCERA AVX lists the TAJB106K020K as Active. ## B case footprint — 1411 / 1210 land pattern The capacitor uses the standard B case size: 3.50 mm x 2.80 mm footprint, 2.10 mm seated height. The package is listed as both 1411 (3528 Metric) and 1210 — these refer to the same body dimensions. The land pattern matches the TAJ-series recommended pad layout; reflow profile follows standard tin-lead or lead-free solder paste with a peak temperature of 260 °C.","metaTitle":"TAJB106K020K KYOCERA AVX 10 µF 20 V Tantalum Capacitor","metaDescription":"TAJB106K020K molded tantalum capacitor, 10 µF ±10%, 20 V rated, 2.1 Ohm ESR, -55 to 125 °C. B case 1411/1210. Active production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Specialty Capacitors"],"specifications":{"Mfr":"KYOCERA AVX","Type":"Molded","Series":"TAJ","Package":"Tape & Reel (TR)","Features":"General Purpose","Tolerance":"±10%","Capacitance":"10 µF","Failure Rate":"-","Lead Spacing":"-","Mounting Type":"Surface Mount","Package / Case":"1411 (3528 Metric), 1210","Product Status":"Active","Voltage - Rated":"20 V","lifecycle_stage":"unknown","Lifetime @ Temp.":"-","Size / Dimension":"0.138\\\" L x 0.110\\\" W (3.50mm x 2.80mm)","Height - Seated (Max)":"0.083\\\" (2.10mm)","Operating Temperature":"-55°C ~ 125°C","Manufacturer Size Code":"B","ESR (Equivalent Series Resistance)":"2.1Ohm"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/ce09bb895bbc5407352e9a690f57411c.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the ESR rating of TAJB106K020K?","answer":"The equivalent series resistance is 2.1 Ohm at 25 °C and 100 kHz. This is a mid-range value for a 10 µF tantalum in a B case; it limits the ripple current to approximately 0.77 A RMS before the self-heating reaches the 125 °C limit. For low-ESR applications, consider a polymer tantalum or a higher-voltage-rated part with lower ESR."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/kyocera-avx/TAJB106K020K","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/kyocera-avx/TAJB106K020K 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}}