{"product_id":"20pcs-bjt-transistors-mps8550s-2n3906s-krc105s-more","title":"20pcs BJT Transistors – MPS8550S, 2N3906S, KRC105S \u0026 More","description":"\u003ch2\u003e20-Piece BJT Transistor Assortment Pack\u003c\/h2\u003e\n\u003cp\u003eStock your electronics workbench with this convenient 20-piece assortment of general-purpose BJT (Bipolar Junction Transistor) components. This mixed pack includes popular surface-mount and small-signal transistors used in a wide range of DIY electronics, circuit prototyping, and repair projects.\u003c\/p\u003e\n\n\u003ch3\u003eIncluded Models\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPS8550S-D-RTK\/P\u003c\/strong\u003e – PNP general-purpose transistor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2N3906S-RTK\/PS\u003c\/strong\u003e – PNP small-signal transistor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKRC105S-RTK\/P\u003c\/strong\u003e – NPN transistor with built-in resistors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2N5551S-RTK\/P\u003c\/strong\u003e – NPN high-voltage transistor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKIA78L05F-RTF\/P\u003c\/strong\u003e – 5V voltage regulator IC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKIA7023AF\u003c\/strong\u003e – Voltage regulator IC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKTD600K-Y-U\/PH\u003c\/strong\u003e – NPN power transistor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKTB631K-Y-U\/PH\u003c\/strong\u003e – PNP power transistor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGeneral-purpose BJT transistors suitable for a wide variety of circuit applications\u003c\/li\u003e\n  \u003cli\u003eCompact surface-mount (SMD) packages for space-saving PCB designs\u003c\/li\u003e\n  \u003cli\u003eCovers both NPN and PNP polarities for flexible circuit design\u003c\/li\u003e\n  \u003cli\u003eIncludes voltage regulator ICs for stable power supply circuits\u003c\/li\u003e\n  \u003cli\u003eIdeal for prototyping, repair, and component replenishment\u003c\/li\u003e\n  \u003cli\u003eNo high-concern chemicals — standard-compliant components\u003c\/li\u003e\n  \u003cli\u003eCustomizable quantities available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 pieces (mixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBJT Transistors \u0026amp; Voltage Regulators\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGeneral Purpose Electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronics engineers and hobbyists\u003c\/li\u003e\n  \u003cli\u003ePCB prototyping and circuit testing\u003c\/li\u003e\n  \u003cli\u003eRepair and rework of consumer electronics\u003c\/li\u003e\n  \u003cli\u003eStudents learning about transistor circuits\u003c\/li\u003e\n  \u003cli\u003eMaintaining a well-stocked components inventory\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking for more electronics tools and accessories? Check out our \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e or our \u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge – DIY Tool\u003c\/a\u003e to complete your workbench setup.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of BJT transistors are included in this 20-piece pack?\u003c\/h4\u003e\n\u003cp\u003eA: This assortment includes a mix of NPN and PNP general-purpose BJT transistors — including MPS8550S, 2N3906S, KRC105S, 2N5551S, KTD600K, and KTB631K — as well as KIA78L05F and KIA7023AF voltage regulator ICs, all in compact SMD packages suitable for a wide range of electronics applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these transistors suitable for surface-mount (SMD) PCB designs?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, these BJT transistors are packaged in surface-mount (SMD) form factors, making them ideal for modern PCB designs where space-saving and compact layouts are required.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use these components for circuit prototyping and electronics repair?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. These are general-purpose transistors and voltage regulators well-suited for prototyping new circuits, testing, and repairing existing consumer electronics boards. They are a great addition to any component stock or electronics toolkit.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of BJT transistors are included in this 20-piece pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This assortment includes a mix of NPN and PNP general-purpose BJT transistors — including MPS8550S, 2N3906S, KRC105S, 2N5551S, KTD600K, and KTB631K — as well as KIA78L05F and KIA7023AF voltage regulator ICs, all in compact SMD packages suitable for a wide range of electronics applications.\"}}, {\"@type\": \"Question\", \"name\": \"Are these transistors suitable for surface-mount (SMD) PCB designs?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, these BJT transistors are packaged in surface-mount (SMD) form factors, making them ideal for modern PCB designs where space-saving and compact layouts are required.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use these components for circuit prototyping and electronics repair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. These are general-purpose transistors and voltage regulators well-suited for prototyping new circuits, testing, and repairing existing consumer electronics boards. They are a great addition to any component stock or electronics toolkit.\"}}]}\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\": \"20pcs BJT Transistors – MPS8550S, 2N3906S, KRC105S \u0026 More\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/20pcs-bjt-transistor-assortment-mps8550s-2n3906s-krc105s-2n5551s-smd\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"2N3906S-RTK PS","offer_id":43692905988157,"sku":"5:200004763#2N3906S-RTK PS","price":10.48,"currency_code":"USD","in_stock":true},{"title":"KRC105S-RTK P","offer_id":43692906020925,"sku":"5:200004182#KRC105S-RTK P","price":10.48,"currency_code":"USD","in_stock":true},{"title":"MPS8550S-D-RTK P","offer_id":43692906053693,"sku":"5:144170022#MPS8550S-D-RTK P","price":10.48,"currency_code":"USD","in_stock":true},{"title":"KIA7023AF","offer_id":43692906086461,"sku":"5:202295806#KIA7023AF","price":14.07,"currency_code":"USD","in_stock":true},{"title":"KTD600K-Y-U PH","offer_id":43692906119229,"sku":"5:200005259#KTD600K-Y-U PH","price":30.3,"currency_code":"USD","in_stock":true},{"title":"2N5551S-RTK P","offer_id":43692906151997,"sku":"5:200004183#2N5551S-RTK P","price":10.48,"currency_code":"USD","in_stock":true},{"title":"KIA78L05F-RTF P","offer_id":43692906184765,"sku":"5:4#KIA78L05F-RTF P","price":14.04,"currency_code":"USD","in_stock":true},{"title":"KTB631K-Y-U PH","offer_id":43692906217533,"sku":"5:200000991#KTB631K-Y-U PH","price":30.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3439\/0333\/files\/S485b5ee751a44b8a8f4cb3c8fb3860bcS.webp?v=1790180364","url":"https:\/\/qtiply.com\/products\/20pcs-bjt-transistors-mps8550s-2n3906s-krc105s-more","provider":"QTP","version":"1.0","type":"link"}