50PCS SOT-23 SMD Transistor Kit – S8050 S8550 S9012 & More
50PCS SOT-23 SMD Transistor Kit – S8050 S8550 S9012 & More
50PCS SMD Transistor SOT-23 Assortment Kit
Stock up on essential surface-mount transistors with this versatile 50-piece SOT-23 transistor pack. Whether you're prototyping, repairing circuit boards, or building electronics projects, this assortment covers a wide range of popular NPN and PNP transistor types — all in the compact, easy-to-solder SOT-23 package.
Transistor Types Included
- S8050 / J3Y — NPN general-purpose transistor
- S8550 / Y1 — PNP general-purpose transistor
- SS8050 / STY — NPN high-current transistor
- SS8550 / Y2 — PNP high-current transistor
- S9012 / J3 — PNP audio transistor
- S9013 / J6 — NPN audio transistor
- S9014 / M6 — NPN low-noise transistor
- S9015 / 2T1 — PNP low-noise transistor
- S9018 / J8 — NPN high-frequency transistor
Key Features
- 50 pieces per pack — great value for hobbyists, technicians, and engineers
- SOT-23 package — industry-standard surface-mount footprint for easy PCB integration
- Wide variety — covers NPN and PNP types for amplification, switching, and signal processing applications
- Compact & lightweight — easy to store in a component drawer or organiser
- Compatible with most PCB designs — ideal for DIY electronics, repairs, and new builds
Ideal Applications
- PCB prototyping and circuit design
- Electronic repairs (phones, remotes, small appliances)
- Arduino, Raspberry Pi, and microcontroller projects
- Audio amplifier circuits
- High-frequency and signal switching circuits
Made in Mainland China.
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Frequently Asked Questions
Q: What transistor types are included in this 50PCS SOT-23 SMD transistor assortment?
A: This pack includes a range of popular SOT-23 surface-mount transistors: S8050 (J3Y), S8550 (Y1), SS8050 (STY), SS8550 (Y2), S9012 (J3), S9013 (J6), S9014 (M6), S9015 (2T1), and S9018 (J8) — covering both NPN and PNP types for a wide variety of electronics applications.
Q: What is the SOT-23 package and why is it commonly used?
A: SOT-23 (Small Outline Transistor, 3-pin) is one of the most widely used surface-mount transistor packages in modern electronics. Its compact size makes it ideal for high-density PCB designs, and it is compatible with reflow soldering and hand-soldering for repairs and prototyping.
Q: Are these transistors suitable for Arduino or Raspberry Pi projects?
A: Yes! These general-purpose NPN and PNP SOT-23 transistors are well-suited for use with Arduino, Raspberry Pi, and other microcontroller platforms — for switching, signal amplification, and logic-level interfacing tasks.
Q: How many of each transistor type are included in the 50-piece pack?
A: The 50 pieces are distributed across the listed transistor types (S8050, S8550, SS8050, SS8550, S9012, S9013, S9014, S9015, S9018). The exact quantity per type may vary; the total count is 50 pieces.