{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE43CA R0G","brand":"Taiwan Semiconductor Corporation","brandSlug":"taiwan-semiconductor-corporation","productSlug":"1.5KE43CA-R0G","canonicalUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5KE43CA-R0G","factsUrl":"https://icboms.com/api/mcp/products/1.5KE43CA%20R0G","rawCanonicalId":null},"summary":{"shortDescription":"Taiwan Semiconductor 1.5KE series bidirectional Zener TVS diode, 1500W peak pulse power, 36.8V reverse standoff, 59.3V clamping, DO-201AA axial through-hole package, Tape & Reel.","salesMarkdown":"## Bidirectional TVS for 36.8 V rails The 1.5KE43CA R0G: It clamps at 59.3 V max and handles 26 A peak pulse current, making it a fit for protecting 36.8 V nominal DC rails against transients like load dump or inductive kickback. The bidirectional channel means it clamps both polarities with a single device — useful on AC-coupled lines or where the fault polarity isn't known ahead of time. ## Parametric envelope and temperature range Breakdown voltage starts at 40.9 V min, with a reverse standoff of 36.8 V — the device begins conducting above that level and clamps the transient before it reaches the protected circuitry. The 59.3 V clamping voltage is the maximum the load sees during a 26 A pulse. The 1500 W rating is derated above 25°C per the standard power-temperature curve; at 175°C the peak pulse power drops to near zero, so the thermal margin at the application's ambient must be checked. No power line protection is offered — this is a general-purpose transient suppressor, not a dedicated AC mains protector. It is suited for DC bus, signal line, and low-voltage supply rail clamping where bidirectional response is needed. ## Active production and sourcing posture The base product number is 1.5KE43, and the R0G suffix indicates Tape & Reel packaging. The DO-201AA axial package is a common through-hole form factor, so rework and replacement on existing boards is straightforward with a soldering iron.","metaTitle":"1.5KE43CA R0G TVS Diode, 1500W, Bidirectional, DO-201","metaDescription":"Taiwan Semiconductor 1.5KE43CA R0G bidirectional Zener TVS, 1500W peak pulse, 36.8V standoff, DO-201 axial. Active production, sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Taiwan Semiconductor Corporation","Type":"Zener","Series":"1.5KE","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"DO-201AA, DO-27, Axial","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5KE43","Operating Temperature":"-55°C ~ 175°C (TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"DO-201","Voltage - Breakdown (Min)":"40.9V","Voltage - Clamping (Max) @ Ipp":"59.3V","Voltage - Reverse Standoff (Typ)":"36.8V","Current - Peak Pulse (10/1000µs)":"26A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.2712","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a688563676897fea683fa9d5a5542f4e.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5KE43CA%20R0G/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5KE43CA-R0G","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/taiwan-semiconductor-corporation/1.5KE43CA-R0G 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}}