{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TAJB686K004RNJ","brand":"KYOCERA AVX","brandSlug":"kyocera-avx","productSlug":"TAJB686K004RNJ","canonicalUrl":"https://icboms.com/kyocera-avx/TAJB686K004RNJ","factsUrl":"https://icboms.com/api/mcp/products/TAJB686K004RNJ","rawCanonicalId":null},"summary":{"shortDescription":"KYOCERA AVX TAJ series, molded tantalum capacitor, 68 µF, 4 V, ±10% tolerance, 1.8 Ohm ESR, -55°C to 125°C, size code B (1411 / 3528 Metric).","salesMarkdown":"## What the 1.8 Ohm ESR means for your rail The TAJB686K004RNJ: At 68 µF and 4 V rated, this TAJ-series tantalum delivers bulk capacitance for decoupling or hold-up on low-voltage rails. The 1.8 Ohm ESR sets the ripple current ceiling — at 100 kHz, the self-heating from ripple current through that ESR limits how much AC current the cap can absorb before the internal temperature rise exceeds the datasheet derating. But if the ripple doubles, the dissipation quadruples — watch the ripple budget. The molded case and surface-mount 1411 (3528 Metric) footprint keep the board profile low — 2.10 mm seated height — for dense layouts.","metaTitle":"TAJB686K004RNJ – 68 µF Molded Tantalum Capacitor, 4 V","metaDescription":"KYOCERA AVX TAJB686K004RNJ: 68 µF tantalum capacitor, 4 V rated, ±10% tolerance, 1.8 Ohm ESR, -55°C to 125°C. 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) Cut Tape (CT)","Features":"General Purpose","Tolerance":"±10%","Capacitance":"68 µF","Failure Rate":"-","Lead Spacing":"-","Mounting Type":"Surface Mount","Package / Case":"1411 (3528 Metric), 1210","Product Status":"Active","Voltage - Rated":"4 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)":"1.8Ohm"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.7100","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/ce09bb895bbc5407352e9a690f57411c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TAJB686K004RNJ/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/kyocera-avx/TAJB686K004RNJ","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/kyocera-avx/TAJB686K004RNJ 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}}