{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TMMBAT46FILM","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"TMMBAT46FILM","canonicalUrl":"https://icboms.com/stmicroelectronics/TMMBAT46FILM","factsUrl":"https://icboms.com/api/mcp/products/TMMBAT46FILM","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics TMMBAT46FILM Schottky diode, 100 V reverse voltage, 150 mA average rectified current, 450 mV forward drop at 10 mA, 10 pF capacitance, Mini MELF (DO-213AA) package.","salesMarkdown":"The STMicroelectronics TMMBAT46FILM is a small-signal Schottky rectifier rated for 100 V reverse voltage and 150 mA average forward current, housed in a glass Mini MELF (DO-213AA) package. The 100 V Vr(max) is the standout parameter here — most small-signal Schottkys top out at 40 V or 60 V, so this part fits 48 V telecom rails, 72 V bus converters, and higher-voltage reverse-polarity protection where a standard BAT54 would avalanche. Forward drop is 450 mV maximum at 10 mA, which keeps conduction loss low in low-current rectification and OR-ing diode roles. Junction capacitance is 10 pF at 0 V bias, making it usable for RF detection and fast-switching clamp circuits up to the low hundreds of MHz. ## Package reality — Mini MELF is not SOD-123 The DO-213AA (Mini MELF) is a glass-encapsulated, leadless cylindrical package with metallised end caps. It handles high-temperature reflow well and has good thermal cycling reliability, but it is round — pick-and-place nozzles need a vacuum cup designed for cylindrical bodies, and the solder joint is end-cap only, so pad geometry and stencil aperture matter more than with a gull-wing lead. The junction temperature range is -65°C to 125°C, covering industrial and most automotive under-hood environments.","metaTitle":"STMicroelectronics TMMBAT46FILM Schottky Diode, 100 V","metaDescription":"ST TMMBAT46FILM Schottky diode: 100 V reverse voltage, 150 mA average rectified, 450 mV Vf at 10 mA, 10 pF capacitance. Mini MELF package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":[],"specifications":{"Speed":"Small Signal =< 200mA (Io), Any Speed","Package":"Tape & Reel (TR); Cut Tape (CT)","Technology":"Schottky","Mounting Type":"Surface Mount","Package / Case":"DO-213AA (Glass)","lifecycle_stage":"eol_hot","Capacitance @ Vr, F":"10pF @ 0V, 1MHz","Supplier Device Package":"Mini MELF","Current - Reverse Leakage @ Vr":"5 µA @ 75 V","Voltage - DC Reverse (Vr) (Max)":"100 V","Current - Average Rectified (Io)":"150mA","Operating Temperature - Junction":"-65°C ~ 125°C","Voltage - Forward (Vf) (Max) @ If":"450 mV @ 10 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.49","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.49000","currency":"USD"},{"qty":10,"price":"$0.42200","currency":"USD"},{"qty":100,"price":"$0.29330","currency":"USD"},{"qty":500,"price":"$0.22902","currency":"USD"},{"qty":1000,"price":"$0.18615","currency":"USD"},{"qty":2500,"price":"$0.16640","currency":"USD"},{"qty":5000,"price":"$0.15794","currency":"USD"},{"qty":12500,"price":"$0.14666","currency":"USD"},{"qty":25000,"price":"$0.14328","currency":"USD"},{"qty":62500,"price":"$0.13962","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/38b884a69ac161918731283a4ba6c644.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is TMMBAT46FILM equivalent to BAT46?","answer":"TMMBAT46FILM is functionally equivalent to the standard BAT46 in electrical ratings (100 V, 150 mA, 450 mV Vf) but differs in package — the TMMBAT46FILM uses a Mini MELF (DO-213AA) glass package, while many BAT46 variants come in SOD-123 or DO-35. Pin-compatible only if the board footprint matches the Mini MELF end-cap pads."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/TMMBAT46FILM","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/TMMBAT46FILM when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}