3000pcs SMD Transistor S8050 S8550 NPN PNP SOT-23 Reel
3000pcs SMD Transistor S8050 S8550 NPN PNP SOT-23 Reel
3000pcs/Reel SMD Transistor S8050 & S8550 – SOT-23 Package
Stock up your workbench with this comprehensive 3000-piece reel of SMD transistors in the compact SOT-23 package. Ideal for electronics hobbyists, engineers, and PCB designers, this reel includes both the popular S8050 (J3Y) NPN and S8550 (2TY / Y1 / Y2) PNP general-purpose transistors — giving you both polarities for versatile circuit design and prototyping.
Made in Mainland China.
Key Features
- Quantity: 3000 pieces per reel — bulk supply for production or prototyping runs
- Package Type: SOT-23 surface-mount — compatible with standard SMD pick-and-place equipment and hand soldering
- Transistor Types: S8050 (J3Y) NPN & S8550 (2TY / Y1 / Y2) PNP
- Application: General-purpose switching and amplification in low-voltage circuits
- Tape & Reel Format: Ready for automated assembly lines and reflow soldering processes
- Markings: J3Y (S8050 NPN), 2TY / Y1 / Y2 (S8550 PNP) — easy to identify
- No high-concern chemicals — clean component specification
Specifications at a Glance
| Component | S8050 NPN / S8550 PNP Transistor |
| Package | SOT-23 (Surface Mount) |
| Quantity | 3000 pcs/reel |
| Markings | J3Y (NPN) / 2TY, Y1, Y2 (PNP) |
| Use | General Purpose Switching & Amplification |
| Origin | Mainland China |
Who Is This For?
Whether you're building a small-batch production run, restocking your electronics lab, or working on a DIY project that demands consistent component quality, this bulk reel has you covered. The SOT-23 footprint is one of the most widely used SMD packages in the industry, making these transistors drop-in compatible with countless existing PCB layouts.
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Frequently Asked Questions
Q: What is the difference between the S8050 (J3Y) NPN and S8550 (2TY/Y1/Y2) PNP transistors?
A: The S8050 is an NPN general-purpose transistor (marked J3Y), meaning current flows from collector to emitter when a positive base signal is applied. The S8550 is its PNP complement (marked 2TY, Y1, or Y2), where current flows when the base is pulled low. Both are commonly used together in complementary switching and amplifier circuits on PCBs.
Q: Are these transistors compatible with automated SMD assembly equipment?
A: Yes. The SOT-23 tape-and-reel format is fully compatible with standard pick-and-place machines and reflow soldering processes, making them suitable for both automated production lines and manual SMD hand soldering.
Q: How many pieces come in one reel?
A: Each reel contains 3000 pieces, providing an excellent bulk supply for prototyping, repair work, or small-to-medium scale production runs.
Q: What are typical applications for these SMD transistors?
A: These are general-purpose transistors suitable for low-voltage signal switching, amplification stages, LED driving, relay control circuits, and a wide variety of consumer electronics and hobby PCB projects.