{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"RN4985FE,LXHF(CT","brand":"Toshiba Semiconductor","brandSlug":"toshiba","productSlug":"RN4985FELXHFCT","canonicalUrl":"https://icboms.com/toshiba/RN4985FELXHFCT","factsUrl":"https://icboms.com/api/mcp/products/RN4985FE%2CLXHF(CT","rawCanonicalId":null},"summary":{"shortDescription":"Automotive, AEC-Q101, 1 NPN, 1 PNP Pre-Biased (Dual) transistor, 50V VCEO, 100mA Ic, 250MHz/200MHz fT, SOT-563 package, Surface Mount.","salesMarkdown":"## What this dual pre-biased transistor does in an automotive ECU The RN4985FE,LXHF(CT packs one NPN and one PNP pre-biased transistor into a single SOT-563 package, with integrated bias resistors R1 at 2.2 kΩ and R2 at 47 kΩ. This eliminates two external resistor pairs per channel, saving board space and reducing pick-and-place cost on automotive ECU boards where every mm² counts. The 50 V collector-emitter breakdown and 100 mA continuous collector current handle typical 12 V and 24 V automotive loads — solenoid pre-drive, relay coil kickback clamping, or logic-level translation between a 3.3 V MCU and a 12 V bus. This part carries AEC-Q101 qualification, which means it has passed the automotive stress tests — high-temperature reverse bias, temperature cycling, autoclave, and pre-conditioning — that consumer-grade transistors skip. For a Tier-1 supplier's PPAP submission, the AEC-Q101 cert is a line-item check. The series is listed as Automotive, AEC-Q101, and the product status is Active, so there is no LTB clock ticking. ## Sourcing this for a production BOM If you are qualifying a second source for a long-run automotive program, the RN4985FE's pinout and resistor values should be matched against any pin-compatible dual pre-biased transistor in the same SOT-563 footprint; the 2.2 kΩ base resistor and 47 kΩ emitter-base resistor are the values that define the switching threshold, not just the package outline.","metaTitle":"RN4985FE,LXHF(CT Dual Pre-Biased Transistor, AEC-Q101","metaDescription":"RN4985FE,LXHF(CT dual NPN/PNP pre-biased transistor, AEC-Q101 automotive qualified, 50V VCEO, 100mA Ic, SOT-563.","metaKeywords":null},"attributes":{"series":"Automotive, AEC-Q101","packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Memory (DRAM / SRAM / Flash / EEPROM)"],"specifications":{"Series":"Automotive, AEC-Q101","Package":"Tape & Reel (TR); Cut Tape (CT)","Power - Max":"100mW","Mounting Type":"Surface Mount","Package / Case":"SOT-563, SOT-666","Transistor Type":"1 NPN, 1 PNP - Pre-Biased (Dual)","lifecycle_stage":"eol_hot","Resistor - Base (R1)":"2.2kOhms","Frequency - Transition":"250MHz, 200MHz","Supplier Device Package":"ES6","Resistor - Emitter Base (R2)":"47kOhms","Vce Saturation (Max) @ Ib, Ic":"300mV @ 250µA, 5mA","Current - Collector (Ic) (Max)":"100mA","Current - Collector Cutoff (Max)":"500nA","DC Current Gain (hFE) (Min) @ Ic, Vce":"80 @ 10mA, 5V","Voltage - Collector Emitter Breakdown (Max)":"50V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.39","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.39000","currency":"USD"},{"qty":10,"price":"$0.29100","currency":"USD"},{"qty":100,"price":"$0.18130","currency":"USD"},{"qty":500,"price":"$0.12402","currency":"USD"},{"qty":1000,"price":"$0.09540","currency":"USD"},{"qty":2000,"price":"$0.08586","currency":"USD"},{"qty":4000,"price":"$0.08586","currency":"USD"},{"qty":8000,"price":"$0.08109","currency":"USD"},{"qty":12000,"price":"$0.07394","currency":"USD"},{"qty":28000,"price":"$0.06917","currency":"USD"},{"qty":100000,"price":"$0.06750","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/6cef3b032d37a0fb550dafb270a24dfb.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is RN4985FE AEC-Q101 certified for automotive?","answer":"Yes, the RN4985FE is listed under the Automotive, AEC-Q101 series, confirming it meets AEC-Q101 qualification for automotive applications."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/toshiba/RN4985FELXHFCT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/toshiba/RN4985FELXHFCT 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}}