100 pcs transistor assortment — 20 values in one convenient pack. Ideal for hobbyists, technicians, and engineers who need a versatile selection of smallsignal and switching transistors for prototyping, , and general electronics work. Key benefits Readytouse assortment saves time: one covers common replacement and prototyping needs. Versatile and practical: includes both NPN and PNP generalpurpose transistors suitable for switching, signal amplification, buffering, and level shifting. Costeffective and reliable: bulk pack gives a broad selection for experimentation, repairs, and small projects without buying individual parts. What's included 100 transistors, 20 values (models listed as provided): A1015 BC327 BC337 C1815 S8050 S8850 2N2222 2N2907 2N3904 2N3906 C945 S9012 S9013 S9014 S9015(S8850 PNP) Key attributes Functionality: Generalpurpose smallsignal and lowpower switching transistors suitable for amplification and switching applications. Compatibility: Compatible with common lowvoltage electronics, hobby circuits, microcontrollers (Arduino, Raspberry Pi), and standard PCB and breadboard work. Size and form factor: Compact components designed for throughhole mounting and typical hobbyist circuit layouts. Material and performance: Standard silicon transistor construction giving predictable behavior for switching and amplification in typical lowpower circuits. Variety: Both NPN and PNP types included to cover complementary circuit needs and common designs. Common applications / use cases Prototyping and learning: Breadboard circuit experiments, student projects, and quick prototyping where multiple transistor types are needed. Repairs and replacements: Onboard replacements for consumer electronics, remote controls, toys, and small appliances that use common transistor types. Switching and signal tasks: Driving LEDs, relays (via appropriate driver design), small motors, or building simple audio preamplifiers and signal stages. Why this pack is useful Offers a broad selection of wellknown transistor models so you can test designs, diagnose faults, and maintain inventory for ongoing projects. The mix of NPN and PNP parts gives flexibility for pushpull stages, complementary designs, and standard switching roles. Note: Models are listed exactly as provided. Verify pinout and electrical characteristics in manufacturer datasheets for each transistor model before final circuit design.