{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE33A_R2_00001","brand":"Panjit International Inc.","brandSlug":"panjit-international-inc","productSlug":"1.5KE33A_R2_00001","canonicalUrl":"https://icboms.com/panjit-international-inc/1.5KE33A_R2_00001","factsUrl":"https://icboms.com/api/mcp/products/1.5KE33A_R2_00001","rawCanonicalId":null},"summary":{"shortDescription":"Panjit International Inc. 1.5KE series TVS diode, Type Zener, 1500W peak pulse power, 28.2V reverse standoff, 45.7V clamp, DO-201AE axial, Through Hole, Tape & Reel.","salesMarkdown":"The 1.5KE33A_R2_00001 is a 1500 W transient voltage suppressor from Panjit's 1.5KE series, designed to clamp fast overvoltage spikes on a 28.2 V nominal rail. The Zener-type construction means it breaks down at a minimum of 31.4 V and clamps the pulse to 45.7 V at the rated 33 A peak pulse current (10/1000 µs waveform). That 1500 W rating is the peak pulse power dissipation for an 8/20 µs or 10/1000 µs double-exponential waveform — the actual energy handling depends on the pulse duration and duty cycle. For a 10/1000 µs pulse, the device absorbs 1500 W for 1 ms; shorter pulses allow higher peak current before the junction temperature limit is reached. ## 28.2 V standoff — where this TVS sits in the circuit Clamping at 45.7 V means the protected circuit must tolerate that voltage for the duration of the surge. If the downstream silicon (DC-DC converter input, linear regulator) has an absolute maximum below 45.7 V, a secondary clamp or a lower-voltage TVS in series may be needed. The unidirectional channel (single diode) clamps only positive transients above breakdown. For AC lines or bidirectional protection, two devices back-to-back or a bidirectional TVS are required — the 1.5KE series includes bidirectional variants under different order codes. ## DO-201AE axial package — board integration The DO-201AE (also known as R-6) axial-lead package is a through-hole form factor rated for the full 1500 W pulse. The large body and thick leads handle the thermal pulse without cracking the epoxy — the junction temperature range spans -65°C to 175°C, covering military and industrial extremes. Through-hole mounting means the leads are bent and soldered into plated through-holes on the PCB. The axial lead spacing is standard for this package class; verify the hole diameter and pad size against the manufacturer's recommended footprint before layout. ## Obsolete — sourcing through independent channels Panjit lists the 1.5KE33A_R2_00001 as obsolete. For new designs, consider a current-production TVS from the same 1.5KE family with the same standoff voltage (28.2 V) and package (DO-201AE). The 1.5KE series includes many active variants; verify the exact breakdown and clamping specifications against the BOM requirement.","metaTitle":"Panjit 1.5KE33A_R2_00001 TVS Diode, 1500W, 28.2V Standoff","metaDescription":"Panjit 1.5KE33A_R2_00001 1500W TVS diode, 28.2V standoff, 45.7V clamp, DO-201AE axial. Obsolete — sourced to order against RFQ through independent distribution.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Panjit International Inc.","Type":"Zener","Series":"1.5KE","Package":"Tape & Reel (TR); Cut Tape (CT)","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"DO-201AE, Axial","Product Status":"Obsolete","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Operating Temperature":"-65°C~175°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-201AE","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"31.4V","Voltage - Clamping (Max) @ Ipp":"45.7V","Voltage - Reverse Standoff (Typ)":"28.2V","Current - Peak Pulse (10/1000µs)":"33A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/adbd088802f505fd96ec586b80ab0f5a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What package does the 1.5KE33A_R2_00001 come in?","answer":"It is supplied in a DO-201AE (axial-lead) through-hole package. Available packaging options include Tape & Reel (TR) and Cut Tape (CT)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/panjit-international-inc/1.5KE33A_R2_00001","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/panjit-international-inc/1.5KE33A_R2_00001 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}