{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BAJ2DD0T","brand":"ROHM Semiconductor","brandSlug":"rohm","productSlug":"BAJ2DD0T","canonicalUrl":"https://icboms.com/rohm/BAJ2DD0T","factsUrl":"https://icboms.com/api/mcp/products/BAJ2DD0T","rawCanonicalId":null},"summary":{"shortDescription":"ROHM Semiconductor BAJ2DD0T, linear voltage regulator, fixed 12V output, 2A, TO-220-3 Full Pack, through-hole, positive output, 55dB PSRR (120Hz).","salesMarkdown":"## Fixed 12V rail, 2A — dropout and headroom The ROHM BAJ2DD0T is a single-output positive linear regulator delivering a fixed 12V at up to 2A. Quiescent current is 120 µA typical, which keeps the regulator's own draw low in always-on applications where the 2A output is only occasionally needed. ## Industrial temperature and protection suite Built-in protection includes over-current, over-temperature, and over-voltage — the regulator survives a sustained short on the output or a thermal runaway condition without external crowbar circuitry. The over-voltage clamp protects downstream loads from input transients up to the 25V abs-max input. ## TO-220FP package — isolated tab, no extra insulator The TO-220 Full Pack (TO-220FP) is a fully molded through-hole package with an isolated metal tab. The tab is electrically isolated from the die, so the regulator can be bolted directly to a heatsink or chassis without a mica insulator or thermal pad — saves assembly time and avoids a potential ground-loop path. Supplier device package designation is TO-220FP; the three leads are standard 0.100-inch pitch, compatible with common TO-220 footprints on a PCB or terminal block. ## PSRR and ripple rejection at line frequency Power supply rejection ratio is 55 dB at 120 Hz — that is the full-wave rectified line frequency (60 Hz × 2). A 55 dB rejection means input ripple of 1 Vpp is attenuated to about 1.8 mVpp on the output. For a 12V rail feeding analog circuitry (op-amps, ADCs), this keeps mains hum out of the signal path without a post-filter.","metaTitle":"ROHM BAJ2DD0T 12V Fixed 2A LDO, TO-220FP, Active","metaDescription":"ROHM BAJ2DD0T: 12V fixed output, 2A LDO, 0.7V dropout at full load, 55dB PSRR (120Hz), TO-220FP, -40 to 125°C. Active, ROHS3. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"PSRR":"55dB (120Hz)","Package":"Tube","Output Type":"Fixed","Mounting Type":"Through Hole","Package / Case":"TO-220-3 Full Pack","lifecycle_stage":"eol_hot","Current - Output":"2A","Protection Features":"Over Current, Over Temperature, Over Voltage","Number of Regulators":"1","Output Configuration":"Positive","Operating Temperature":"-40°C ~ 125°C","Voltage - Input (Max)":"25V","Voltage Dropout (Max)":"0.7V @ 2A","Supplier Device Package":"TO-220FP","Current - Quiescent (Iq)":"120 µA","Voltage - Output (Min/Fixed)":"12V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.28","priceTiers":[{"qty":1,"price":"$3.28000","currency":"USD"},{"qty":10,"price":"$2.94400","currency":"USD"},{"qty":25,"price":"$2.78320","currency":"USD"},{"qty":100,"price":"$2.41220","currency":"USD"},{"qty":250,"price":"$2.28848","currency":"USD"},{"qty":500,"price":"$2.05346","currency":"USD"},{"qty":1000,"price":"$1.75050","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/86ca613d442246e2b3c3c807366dae83.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/BAJ2DD0T/alternatives.json"},"ai":{"faq":[{"question":"What compliance documentation does ROHM provide for BAJ2DD0T?","answer":"ROHM certifies the BAJ2DD0T as ROHS3 compliant."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/rohm/BAJ2DD0T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/rohm/BAJ2DD0T 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}}