{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"P0102BL 5AA4","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"P0102BL-5AA4","canonicalUrl":"https://icboms.com/stmicroelectronics/P0102BL-5AA4","factsUrl":"https://icboms.com/api/mcp/products/P0102BL%205AA4","rawCanonicalId":null},"summary":{"shortDescription":"Ween Semiconductors P0102BL 5AA4, Sensitive Gate SCR, 200 V off-state voltage, 250 mA RMS on-state current, 200 µA gate trigger, SOT-23-3 surface-mount package, -40°C to 125°C operating temperature.","salesMarkdown":"## 200 V sensitive-gate SCR in a SOT-23-3 — what it handles and where it fits The Ween Semiconductors P0102BL 5AA4 is a sensitive-gate silicon controlled rectifier rated for 200 V off-state blocking and 250 mA RMS continuous on-state current. Its 200 µA maximum gate trigger current lets it switch directly from a logic-level output — no extra driver transistor needed. ## Sensitive gate vs standard gate — why the trigger current matters The P0102BL 5AA4's 200 µA maximum gate trigger current (Igt) allows direct drive from a logic-level output through a series resistor, saving a BOM line and board space. ## Lifecycle and ordering No end-of-life notice or successor part is recorded on this line.","metaTitle":"P0102BL 5AA4 SCR, Sensitive Gate 200 V 250 mA SOT-23-3","metaDescription":"P0102BL 5AA4 SCR, 200 V off-state, 250 mA RMS, sensitive gate 200 µA. SOT-23-3, -40°C to 125°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","SCR Type":"Sensitive Gate","Mounting Type":"Surface Mount","Package / Case":"TO-236-3, SC-59, SOT-23-3","lifecycle_stage":"eol_hot","Voltage - Off State":"200 V","Operating Temperature":"-40°C ~ 125°C","Supplier Device Package":"SOT-23-3","Current - Hold (Ih) (Max)":"5 mA","Current - Off State (Max)":"1 µA","Voltage - On State (Vtm) (Max)":"1.7 V","Current - Gate Trigger (Igt) (Max)":"200 µA","Current - On State (It (AV)) (Max)":"160 mA","Voltage - Gate Trigger (Vgt) (Max)":"800 mV","Current - On State (It (RMS)) (Max)":"250 mA","Current - Non Rep. Surge 50, 60Hz (Itsm)":"7A, 6A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.83","priceTiers":[{"qty":1,"price":"$0.83000","currency":"USD"},{"qty":10,"price":"$0.72200","currency":"USD"},{"qty":100,"price":"$0.50000","currency":"USD"},{"qty":500,"price":"$0.41774","currency":"USD"},{"qty":1000,"price":"$0.35552","currency":"USD"},{"qty":3000,"price":"$0.31663","currency":"USD"},{"qty":6000,"price":"$0.29997","currency":"USD"},{"qty":9000,"price":"$0.27775","currency":"USD"},{"qty":30000,"price":"$0.27500","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/6ef9012064a4a60348ba0cc6c2777285.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/P0102BL%205AA4/alternatives.json"},"ai":{"faq":[{"question":"Is P0102BL 5AA4 suitable for 120V AC switching?","answer":"Yes. The 200 V off-state voltage gives adequate margin for 120 V AC RMS (170 V peak) resistive loads. For inductive loads, add a snubber network to limit dv/dt."},{"question":"What is the difference between a sensitive gate and standard gate SCR?","answer":"A sensitive-gate SCR like this one triggers with a gate current of 200 µA maximum, compared to 5–10 mA for standard-gate types. That allows direct drive from a logic-level output without a buffer transistor, but the trade-off is slightly higher off-state leakage and greater sensitivity to noise on the gate line."},{"question":"What is the typical application for the P0102BL 5AA4 SCR?","answer":"Typical uses include low-power AC/DC switching of solenoids, relays, small lamps, and heater elements where the load current stays under 250 mA RMS. The sensitive gate suits microcontroller-driven phase-control circuits in appliances, industrial controls, and telecom line cards."},{"question":"What is the equivalent of P0102BL 5AA4?","answer":"No direct pin-compatible equivalent is recorded in the available cross-reference data. For a second-source evaluation, compare parts with the same SOT-23-3 package, 200 V off-state, 250 mA RMS rating, and sensitive-gate trigger current under 200 µA. Submit an RFQ if you need assistance identifying an alternate."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/P0102BL-5AA4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/P0102BL-5AA4 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}}