📘What is S8050?
The S8050 is a popular NPN bipolar junction transistor in a compact SOT-23 surface mount package, making it ideal for space-constrained PCBs in mobile devices, IoT modules, and handheld devices.
📊 S8050 Electrical Characteristics
⚙️S8050 Key Features
- Surface-Mount Package (SOT-23): Compact size ideal for high-density PCB designs and automated assembly.
- High DC Current Gain (hFE 120–400): Ensures strong amplification performance for signal and switching circuits.
- Low Saturation Voltage (VCE(sat)): Provides efficient switching with reduced power loss and heat generation.
- Collector Current up to 500mA: Supports medium-load driving applications such as LED drivers and small relays.
- Fast Switching Speed: Suitable for high-frequency signal amplification and switching applications.
- Low Noise and Stable Performance: Ensures reliable operation in audio and low-level signal circuits.
🔌S8050 Pinout, S8050 Marking
🔁 Equivalent Transistors
- SS8050 — SOT-23 package, NPN, V<sub>CEO</sub> 25V
- 2N2222A — SOT-23 package, NPN, V<sub>CEO</sub> 40V
- BC817 — SOT-23 package, NPN, V<sub>CEO</sub> 45V
- 2SC1815 — TO-92 package, NPN, V<sub>CEO</sub> 50V
⚡S8050 Transistor Applications
- Amplification circuits (audio, RF, and small-signal amplification)
- Switching applications (relay drivers, LED drivers, and motor control)
- Signal modulation & oscillation circuits
- Voltage regulators & power management
- Consumer electronics, IoT devices, and embedded systems
✅FAQs
Q: What is the function of S8050?
A: The S8050 is a general-purpose NPN Bipolar Junction Transistor (BJT). Its primary function is to act as an electronically controlled switch or a current amplifier. In switching applications, a small current/voltage applied to its base terminal controls a much larger current flow between its collector and emitter. In amplification applications, it magnifies the amplitude of a small input signal.
Q: What is the S8050 commonly used for?
A: The S8050 transistor is commonly used in driver circuits (such as relays and LEDs), signal amplification, and as a switch, and is widely used in various small household appliances and electronic modules.
Q: Is the S8050 the same as the SS8050? S8050 vs SS8050
A: They are basically the same. The SS8050 is usually an improved version of the S8050 with better performance parameters, and can be directly replaced in most cases.
Q: What is the difference between the 2N2222A and the S8050?
The 2N2222A and S8050 are both NPN transistors, but they differ in performance and usage. The 2N2222A has higher voltage ratings and is suited for general switching and RF-related applications. The S8050 supports higher collector current and is typically used in low-voltage consumer electronics for signal amplification and small-load driving.
🔗 Related Products
The S8050 (SOT-23) is a reliable, widely used, and environmentally compliant general-purpose transistor. Choosing our S8050 means you simultaneously gain:
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