SS8050 NPN Transistor SOT-23 SMD Y1 for Arduino ESP32 Pakistan
Pickup available at Digilog Electronics
Usually ready in 2 hours
SS8050 NPN Transistor (SOT-23 / Y1) — Pakistani students, engineers, aur hobbyists ke liye ek reliable, low-cost SMD switching transistor jo signal amplification aur switching circuits mein use hota hai.
Specifications
| Field | Detail |
|---|---|
| Part Number | SS8050 |
| Marking Code | Y1 |
| Package | SOT-23-3 (SMD) |
| Transistor Type | NPN Bipolar Junction Transistor (BJT) |
| Collector-Emitter Voltage (Vceo) | 25V |
| Collector-Base Voltage (Vcbo) | 30V |
| Emitter-Base Voltage (Vebo) | 5V |
| Collector Current (Ic max) | 1.5A |
| DC Current Gain (hFE) | 85–300 [VERIFY range with datasheet] |
| Power Dissipation (Ptot) | 300mW (SOT-23) |
| Operating Temperature | -55°C to +150°C |
| Interface / Control | GPIO (Base pin driven by MCU) |
| Compatible Boards | Arduino Uno/Nano/Mega, ESP32, ESP8266, STM32, Raspberry Pi |
| Dimensions (Package) | ~2.9mm × 1.3mm × 1.0mm [VERIFY] |
Kahan Use Hota Hai (Use Cases)
- 🔌 Switching circuits: Arduino ya ESP32 se relay, LED, ya buzzer ko control karna — direct GPIO se zyada current drive karne ke liye.
- 📡 Signal amplification: Weak sensor signals (microphone, LDR) ko amplify karna analog circuits mein.
- 🤖 Robotics projects: Motor driver support circuits aur logic-level shifting mein use hota hai.
- 🏠 Smart home / IoT: ESP32 ya NodeMCU ke saath low-power switching stages banana — jaise light control ya fan speed circuit.
- 🎓 College lab projects (FYP): BSEE/BSCS students ke liye basic transistor biasing, common-emitter amplifier, aur switching experiments.
Kaise Connect Karein (Wiring Guide)
-- SS8050 SOT-23 Pin Identification (Top View) --
Pin 1 = Base (B)
Pin 2 = Emitter (E)
Pin 3 = Collector (C)
[VERIFY pin order from your specific supplier's datasheet]
-- Arduino Uno Example: LED Switching Circuit --
Arduino Pin D7 ---[1kΩ resistor]--- Base (Pin 1)
Arduino GND ------------------- Emitter (Pin 2)
LED Anode ------------------- Collector (Pin 3)
LED Cathode ---[330Ω resistor]-- VCC (5V)
-- ESP32 Example (3.3V logic) --
ESP32 GPIO14 ---[1kΩ resistor]--- Base (Pin 1)
ESP32 GND ------------------- Emitter (Pin 2)
Load (e.g. LED) ------------------- Collector (Pin 3)
[VERIFY: Add base resistor to limit Ib; 1kΩ is typical for 3.3V logic]
FAQ
Q: Kya yeh transistor Arduino ke 5V GPIO se directly drive ho sakta hai?
A: Yes. A 1kΩ base resistor with Arduino's 5V GPIO output is sufficient to saturate the SS8050 for most switching loads up to ~500mA. Always calculate base resistor based on your load current and hFE.
Q: SS8050 aur 2N2222 mein kya farq hai?
A: Both are NPN transistors, but the SS8050 comes in a compact SMD SOT-23 package (surface mount), while 2N2222 is typically through-hole (TO-92). SS8050 is better for PCB designs; 2N2222 is easier for breadboard prototyping.
Q: Kaunsi Arduino library chahiye?
A: No library needed. The SS8050 is a discrete component controlled directly via GPIO digitalWrite() in Arduino or gpio_set_level() in ESP-IDF. It's purely hardware-driven.
Q: Kya yeh 12V relay ko switch kar sakta hai?
A: The SS8050 can handle up to 25V Vce and 1.5A Ic, so it can drive a 12V relay coil (typically 50–100mA). Use a flyback diode (e.g. 1N4007) across the relay coil to protect the transistor from back-EMF.
📦 Delivery: Fast shipping across Pakistan — Karachi, Lahore, Islamabad, Peshawar, Quetta aur baqi tamam cities. COD available. Bulk orders welcome!
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