{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPSD686M020R0150","brand":"KYOCERA AVX","brandSlug":"kyocera-avx","productSlug":"TPSD686M020R0150","canonicalUrl":"https://icboms.com/kyocera-avx/TPSD686M020R0150","factsUrl":"https://icboms.com/api/mcp/products/TPSD686M020R0150","rawCanonicalId":null},"summary":{"shortDescription":"KYOCERA AVX TPS Series, Molded Tantalum Capacitor, 68 µF, 20 V, ±20%, 150 mOhm ESR, 2917 (7343 Metric) D Case, -55 to +125 °C.","salesMarkdown":"## 68 µF, 20 V, 150 mOhm ESR — bulk tantalum for power-rail decoupling The TPSD686M020R0150: The 150 mOhm ESR is the AC loss term that governs ripple current capability and self-heating. For a buck converter output with 500 mA ripple current, the I²R loss in the cap is 37.5 mW — well within the package's dissipation limit at 85 °C, but at 125 °C the derating curve for MnO₂ tantalum caps reduces the allowable ripple current, so the ESR-driven temperature rise must be budgeted against the ambient ceiling. ## TPS series — MnO₂ dielectric, molded case, ±20 % tolerance The TPS series uses a manganese dioxide (MnO₂) solid electrolyte, not a polymer cathode. MnO₂ tantalums have a well-known failure mode under high inrush current or reverse bias — they can go into thermal runaway if the voltage derating rule (typically 50 % for MnO₂ types) is ignored. For a 20 V rated part, the recommended working voltage is 10 V or less for high-reliability designs; at 12 V the derating margin is 60 %, which is acceptable for most industrial applications but tight for mission-critical or avionics use. The ±20 % tolerance is standard for tantalum electrolytics — the actual capacitance at 25 °C and rated voltage can range from 54.4 µF to 81.6 µF. This spread must be accounted for in the feedback compensation of a switching regulator or the timing constant of an RC circuit. The molded case (type) provides mechanical protection and standard reflow solderability; the D case footprint matches the generic 2917 land pattern per IPC-7351. ## Active lifecycle — no obsolescence concern for new designs For designs that see sustained operation above 85 °C, the voltage derating should be increased — KYOCERA AVX application notes recommend 2/3 derating above 85 °C, which would drop the working voltage to 13.3 V for this 20 V part.","metaTitle":"KYOCERA AVX TPSD686M020R0150 Tantalum Cap, 68 µF, 20 V, ±20%","metaDescription":"KYOCERA AVX TPSD686M020R0150 molded tantalum capacitor, 68 µF, 20 V, 150 mOhm ESR, D case 2917. Active production. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Specialty Capacitors"],"specifications":{"Mfr":"KYOCERA AVX","Type":"Molded","Series":"TPS","Package":"Tape & Reel (TR) Cut Tape (CT)","Features":"General Purpose","Tolerance":"±20%","Capacitance":"68 µF","Failure Rate":"-","Lead Spacing":"-","Mounting Type":"Surface Mount","Package / Case":"2917 (7343 Metric)","Product Status":"Active","Voltage - Rated":"20 V","lifecycle_stage":"unknown","Lifetime @ Temp.":"-","Size / Dimension":"0.287\\\" L x 0.169\\\" W (7.30mm x 4.30mm)","Height - Seated (Max)":"0.122\\\" (3.10mm)","Operating Temperature":"-55°C ~ 125°C","Manufacturer Size Code":"D","ESR (Equivalent Series Resistance)":"150mOhm"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.9400","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b00017213ae4c6777a643c3e703ff6ae.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the ESR of TPSD686M020R0150 and why does it matter?","answer":"The ESR is 150 mOhm. This value sets the ripple current rating and self-heating under AC load — for a given ripple current, the I²R loss in the capacitor raises the internal temperature above ambient. The 150 mOhm figure is typical for a D-case MnO₂ tantalum at this capacitance and voltage point; lower ESR would be found in polymer tantalum or aluminum polymer caps, but those are different dielectric families."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/kyocera-avx/TPSD686M020R0150","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/kyocera-avx/TPSD686M020R0150 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}}