{"product_id":"600pcs-to-92-transistor-kit-15-values-npn-pnp-bipolar","title":"600PCS TO-92 Transistor Kit – 15 Values NPN PNP Bipolar","description":"\u003ch2\u003e600PCS TO-92 Transistor Assortment Kit – 15 Values for Electronics Projects\u003c\/h2\u003e\n\u003cp\u003eBuild, prototype, and repair with confidence using this comprehensive \u003cstrong\u003e600-piece TO-92 transistor kit\u003c\/strong\u003e. Featuring \u003cstrong\u003e15 popular NPN and PNP bipolar junction transistors\u003c\/strong\u003e, this assortment is an essential addition to any electronics workbench, hobbyist toolbox, or educational lab. Each value includes 40 pieces, giving you plenty of spares for every project.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're working on amplifier circuits, switching applications, oscillators, or signal processing, this kit covers the most widely-used through-hole TO-92 transistors in a single, well-organised package. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included (15 Values × 40 PCS = 600 PCS Total)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e40× 2N2222 (NPN General Purpose)\u003c\/li\u003e\n  \u003cli\u003e40× 2N3904 (NPN General Purpose)\u003c\/li\u003e\n  \u003cli\u003e40× 2N3906 (PNP General Purpose)\u003c\/li\u003e\n  \u003cli\u003e40× 2N5401 (PNP High Voltage)\u003c\/li\u003e\n  \u003cli\u003e40× 2N5551 (NPN High Voltage)\u003c\/li\u003e\n  \u003cli\u003e40× A1015 (PNP General Purpose)\u003c\/li\u003e\n  \u003cli\u003e40× C1815 (NPN General Purpose)\u003c\/li\u003e\n  \u003cli\u003e40× C945 (NPN General Purpose)\u003c\/li\u003e\n  \u003cli\u003e40× S8050 (NPN Low Voltage)\u003c\/li\u003e\n  \u003cli\u003e40× S8550 (PNP Low Voltage)\u003c\/li\u003e\n  \u003cli\u003e40× S9012 (PNP General Purpose)\u003c\/li\u003e\n  \u003cli\u003e40× S9013 (NPN General Purpose)\u003c\/li\u003e\n  \u003cli\u003e40× S9014 (NPN General Purpose)\u003c\/li\u003e\n  \u003cli\u003e40× S9015 (PNP General Purpose)\u003c\/li\u003e\n  \u003cli\u003e40× S9018 (NPN High Frequency)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e600 transistors in total\u003c\/strong\u003e — 15 popular values, 40 of each\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTO-92 through-hole package\u003c\/strong\u003e — easy to handle, insert, and solder on breadboards or PCBs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoth NPN \u0026amp; PNP types\u003c\/strong\u003e — covers amplification, switching, and oscillation applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand new components\u003c\/strong\u003e — all transistors are fresh stock, no high-concern chemicals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrganised assortment\u003c\/strong\u003e — ideal for keeping your parts inventory stocked\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreat for students, hobbyists, and professionals\u003c\/strong\u003e — perfect for Arduino, Raspberry Pi, and other DIY electronics builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Uses\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAmplifier and pre-amplifier circuits\u003c\/li\u003e\n  \u003cli\u003eDigital switching and logic-level conversion\u003c\/li\u003e\n  \u003cli\u003eOscillator and signal generator builds\u003c\/li\u003e\n  \u003cli\u003eMotor driver and relay control circuits\u003c\/li\u003e\n  \u003cli\u003eEducational electronics labs and STEM projects\u003c\/li\u003e\n  \u003cli\u003eComponent inventory restocking for repair technicians\u003c\/li\u003e\n\u003c\/ul\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 a TO-92 transistor package and why is it commonly used?\u003c\/h4\u003e\n\u003cp\u003eA: The TO-92 is a small, three-legged through-hole plastic package widely used for low-power bipolar junction transistors (BJTs). It is easy to insert into breadboards and solder onto PCBs, making it a favourite for hobbyists, students, and engineers working on amplifier, switching, and signal-processing circuits.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between NPN and PNP transistors in this kit?\u003c\/h4\u003e\n\u003cp\u003eA: NPN transistors (e.g. 2N2222, 2N3904, S9013, S9018) are switched on by applying a positive voltage to the base, while PNP transistors (e.g. 2N3906, A1015, S9012, S8550) are switched on by pulling the base voltage below the emitter. This kit includes both types so you can design complementary circuits, push-pull amplifiers, and more.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these transistors compatible with Arduino and Raspberry Pi projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The low-voltage, general-purpose transistors in this kit (such as the 2N3904, S8050, and S9013) are ideal for driving LEDs, relays, and small motors from the GPIO pins of Arduino, Raspberry Pi, and similar microcontroller platforms.\u003c\/p\u003e\n\u003ch4\u003eQ: How are the transistors packaged — will they arrive organised by value?\u003c\/h4\u003e\n\u003cp\u003eA: The kit contains 600 transistors across 15 values (40 pieces each). Components are typically grouped or bagged by value to help you sort and store them easily in a component organiser or parts box.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a TO-92 transistor package and why is it commonly used?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The TO-92 is a small, three-legged through-hole plastic package widely used for low-power bipolar junction transistors (BJTs). 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