{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"5KP20A","brand":"Littelfuse Inc.","brandSlug":"littelfuse-inc","productSlug":"5KP20A","canonicalUrl":"https://icboms.com/littelfuse-inc/5KP20A","factsUrl":"https://icboms.com/api/mcp/products/5KP20A","rawCanonicalId":null},"summary":{"shortDescription":"Littelfuse 5KP Zener TVS diode, 5KP20A, 5000W peak pulse, 20V reverse standoff, 32.4V clamping, P600 axial package, -55°C to 175°C TJ.","salesMarkdown":"## 5 kW peak-pulse TVS Zener in the P600 axial package The 5KP20A is a unidirectional Zener-based TVS suppressor from Littelfuse's 5KP series, rated 5000W peak pulse dissipation during a 10/1000 µs transient event. The standoff voltage sits at 20V typ, with the clamping ceiling at 32.4V max — this means the part transitions from blocking to conducting sharply at the breakdown threshold, clamping the overvoltage before it propagates downstream. The P600 axial package is a through-hole body; the tape-and-reel and cut-tape options cover both high-volume automated insertion and low-quantity hand-assembly runs. The base product number prefix 5KP2 groups this into the 5KP family — buyers cross-shopping the series will find the same mechanical form across a range of standoff voltages. General-purpose application designation means the part is not qualified to a specific standard tier — no AEC-Q101, no MIL-PRF — so if the end equipment carries a qualification requirement, confirm the datasheet test conditions cover the stress profile before committing. Peak pulse current of 157.4A (10/1000 µs) sets the surge event size this part is rated to interrupt — a 157A surge clamped to 32.4V delivers roughly 5 kW into the TVS and away from the protected load. For higher surge current environments, a higher-pulse-power series in the same P600 package may be the right move — check the 5KP family for a higher standoff voltage if the system rail runs above 20V.","metaTitle":"Littelfuse 5KP20A, 5000W TVS Diode, 20V","metaDescription":"Littelfuse 5KP20A unidirectional TVS diode, 5000W peak pulse, 20V standoff, 32.4V clamping, P600 axial. Active — quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Littelfuse Inc.","Type":"Zener","Series":"5KP","Package":"Tape & Reel (TR) Cut Tape (CT)","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"P600, Axial","Product Status":"Active","lifecycle_stage":"unknown","Power - Peak Pulse":"5000W (5kW)","Base Product Number":"5KP2","Operating Temperature":"-55°C ~ 175°C (TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"P600","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"22.2V","Voltage - Clamping (Max) @ Ipp":"32.4V","Voltage - Reverse Standoff (Typ)":"20V","Current - Peak Pulse (10/1000µs)":"157.4A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.7600","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/9a3254fce889105c1fc5d20fb44bb051.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How do I buy the 5KP20A — and is there a pin-compatible alternative?","answer":"The P600 axial package is shared across the full 5KP standoff-voltage range, so pin-compatible alternatives within the series exist — the L* record carries no named cross-reference, but a parametric search across the series will surface them."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/littelfuse-inc/5KP20A","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/littelfuse-inc/5KP20A 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}}