{"product_id":"100pcs-dtc144e-npn-digital-transistor-sot-346-sot-323-sot-416","title":"100PCS DTC144E NPN Digital Transistor SOT-346 SOT-323 SOT-416","description":"\u003ch2\u003e100PCS DTC144E Series NPN Digital Transistors – SOT-346 \/ SOT-323 \/ SOT-416 \/ SC-75A\u003c\/h2\u003e\n\u003cp\u003eStock up your electronics workbench with this bulk pack of \u003cstrong\u003e100 DTC144E series NPN digital transistors\u003c\/strong\u003e. Compatible with multiple package variants — including \u003cstrong\u003eDTC144EKA (T146)\u003c\/strong\u003e, \u003cstrong\u003eDTC144EUA (T106)\u003c\/strong\u003e, and \u003cstrong\u003eDTC144EE (TL)\u003c\/strong\u003e — these transistors are ideal for signal switching, digital logic interfacing, and general-purpose circuit design. Their compact SMD footprints (SOT-346, SOT-323, SOT-416, SC-75A) make them perfectly suited for high-density PCB layouts.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBulk Quantity:\u003c\/strong\u003e 100 pieces per lot — great value for prototyping, repair, and production runs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Package Options:\u003c\/strong\u003e SOT-346, SOT-323, SOT-416, SC-75A for flexible PCB design\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNPN Digital Transistor:\u003c\/strong\u003e Built-in bias resistors eliminate the need for external resistors, simplifying circuit design\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact SMD Form Factor:\u003c\/strong\u003e Ideal for space-constrained, high-density PCB applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Performance:\u003c\/strong\u003e Consistent electrical characteristics across the entire 100-piece lot\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Drop-in replacement across DTC144EKA, DTC144EUA, and DTC144EE variants\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e NPN Digital Transistor (with built-in bias resistors)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e DTC144EKA (T146), DTC144EUA (T106), DTC144EE (TL)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SOT-346 \/ SOT-323 \/ SOT-416 \/ SC-75A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 100 PCS per lot\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThese DTC144E transistors are a go-to choice for electronics engineers, hobbyists, students, and repair technicians who need a reliable supply of small-signal NPN transistors in compact SMD packages. Whether you're building switching circuits, digital interfaces, or logic-level controllers, this bulk lot keeps your component tray stocked and ready.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between DTC144EKA, DTC144EUA, and DTC144EE transistors?\u003c\/h4\u003e\n\u003cp\u003eA: The DTC144EKA (T146), DTC144EUA (T106), and DTC144EE (TL) are all NPN digital transistors from the DTC144E family with equivalent electrical characteristics. The primary difference is their package format — SOT-346, SOT-323, SOT-416, or SC-75A — which determines their physical footprint on a PCB. All variants feature built-in bias resistors for simplified circuit design.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these DTC144E transistors suitable for SMD \/ surface-mount PCB assembly?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. All variants in this 100-piece lot — SOT-346, SOT-323, SOT-416, and SC-75A — are surface-mount device (SMD) packages, making them ideal for automated pick-and-place assembly as well as hand soldering on compact PCB layouts.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I receive all three package types in one lot, or is it one specific variant?\u003c\/h4\u003e\n\u003cp\u003eA: This listing covers the DTC144E series across the listed package variants. Please check the specific variant selected at checkout (e.g., DTC144EKA \/ SOT-346, DTC144EUA \/ SOT-323, or DTC144EE \/ SOT-416) to confirm the exact package type included in your 100-piece lot.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between DTC144EKA, DTC144EUA, and DTC144EE transistors?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DTC144EKA (T146), DTC144EUA (T106), and DTC144EE (TL) are all NPN digital transistors from the DTC144E family with equivalent electrical characteristics. The primary difference is their package format — SOT-346, SOT-323, SOT-416, or SC-75A — which determines their physical footprint on a PCB. 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Please check the specific variant selected at checkout (e.g., DTC144EKA \/ SOT-346, DTC144EUA \/ SOT-323, or DTC144EE \/ SOT-416) to confirm the exact package type included in your 100-piece lot.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"100PCS DTC144E NPN Digital Transistor SOT-346 SOT-323 SOT-416\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/100pcs-dtc144e-npn-digital-transistor-sot-346-sot-323-sot-416-sc-75a\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"100PCS DTC144EETL","offer_id":43692938985533,"sku":"5:200004182#100PCS DTC144EETL","price":11.37,"currency_code":"USD","in_stock":true},{"title":"100PCS DTC144EUAT106","offer_id":43692939018301,"sku":"5:200004763#100PCS DTC144EUAT106","price":11.37,"currency_code":"USD","in_stock":true},{"title":"100PCS DTC144EKAT146","offer_id":43692939051069,"sku":"5:144170022#100PCS DTC144EKAT146","price":11.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3439\/0333\/files\/S003c100dd4e643d98f9c06e192a674bfA.webp?v=1790180555","url":"https:\/\/qtiply.com\/products\/100pcs-dtc144e-npn-digital-transistor-sot-346-sot-323-sot-416","provider":"QTP","version":"1.0","type":"link"}