{"product_id":"ss8550-y2-pnp-smd-transistor-sot-23-for-arduino-in-pakistan","title":"SS8550 Y2 PNP SMD Transistor SOT-23 for Arduino in Pakistan","description":"\u003cp\u003e\u003cstrong\u003eSS8550 Y2 PNP SMD Transistor SOT-23 — Pakistani students, engineers, aur hobbyists ke liye ek reliable, low-cost switching transistor jo tight spaces mein bhi fit ho jata hai!\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;\"\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eField\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eSS8550 (Marking: Y2)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTransistor Type\u003c\/td\u003e\n\u003ctd\u003ePNP BJT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOT-23 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCollector-Emitter Voltage (Vceo)\u003c\/td\u003e\n\u003ctd\u003e-25V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCollector-Base Voltage (Vcbo)\u003c\/td\u003e\n\u003ctd\u003e-30V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEmitter-Base Voltage (Vebo)\u003c\/td\u003e\n\u003ctd\u003e-5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCollector Current (Ic)\u003c\/td\u003e\n\u003ctd\u003e-1.5A (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDC Current Gain (hFE)\u003c\/td\u003e\n\u003ctd\u003e60–400 [VERIFY range for Y2 grade]\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower Dissipation (Pd)\u003c\/td\u003e\n\u003ctd\u003e625mW\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-55°C to +150°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eGPIO (Base drive from MCU via resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatible Boards\u003c\/td\u003e\n\u003ctd\u003eArduino Uno\/Nano\/Mega, ESP32, ESP8266, STM32, Raspberry Pi\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions (SOT-23)\u003c\/td\u003e\n\u003ctd\u003e~2.9mm × 1.3mm × 1.0mm [VERIFY]\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKahan Use Hota Hai (Use Cases)\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e🔌 \u003cstrong\u003eLED \/ Buzzer Switching:\u003c\/strong\u003e Arduino ya ESP32 se low-power loads ko switch karna — college lab projects ke liye perfect.\u003c\/li\u003e\n  \u003cli\u003e🏠 \u003cstrong\u003eSmart Home Automation:\u003c\/strong\u003e Relay drive circuits mein base transistor ke tor par use karein.\u003c\/li\u003e\n  \u003cli\u003e🤖 \u003cstrong\u003eRobotics:\u003c\/strong\u003e Motor driver support circuits aur signal inversion ke liye.\u003c\/li\u003e\n  \u003cli\u003e📡 \u003cstrong\u003eIoT Projects:\u003c\/strong\u003e ESP32\/ESP8266 ke GPIO pins se high-current peripherals control karna.\u003c\/li\u003e\n  \u003cli\u003e🏭 \u003cstrong\u003eIndustrial Sensing:\u003c\/strong\u003e Current mirror aur amplifier circuits mein FYP projects ke liye.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKaise Connect Karein (Wiring Guide)\u003c\/h2\u003e\n\u003cpre\u003e\u003ccode\u003e\nPin 1 = Base (B)\nPin 2 = Emitter (E)\nPin 3 = Collector (C)\n\n--- Arduino Uno Example (LED Switch) ---\nArduino D7  --[10kΩ resistor]--\u0026gt; SS8550 Base (Pin 1)\nArduino GND -----------------\u0026gt; SS8550 Emitter (Pin 2)\nLED Cathode -----------------\u0026gt; SS8550 Collector (Pin 3)\nLED Anode  --[330Ω resistor]--\u0026gt; VCC (3.3V or 5V)\n\n\/\/ ESP32 Note: Same wiring, use D2 or any GPIO pin.\n\/\/ [VERIFY] SOT-23 pin orientation with your specific reel datasheet.\n\u003c\/code\u003e\u003c\/pre\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003e\u003cstrong\u003eQ: Kya yeh Arduino ke 5V GPIO se directly drive ho sakta hai?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eA: Yes, but always use a base resistor (4.7kΩ–10kΩ) between the GPIO pin and the base to limit current and protect your microcontroller.\u003c\/dd\u003e\n  \u003cdt\u003e\u003cstrong\u003eQ: NPN aur PNP mein kya farq hai — SS8550 kab use karein?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eA: SS8550 is PNP — it switches ON when the base is pulled LOW. Use it for high-side switching (load between VCC and collector). For low-side switching, use an NPN like SS8050.\u003c\/dd\u003e\n  \u003cdt\u003e\u003cstrong\u003eQ: Kya yeh 1A se zyada current handle kar sakta hai?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eA: The absolute max is 1.5A, but for reliable operation keep it under 1A and ensure adequate PCB copper area for heat dissipation.\u003c\/dd\u003e\n  \u003cdt\u003e\u003cstrong\u003eQ: Arduino library ki zaroorat hai?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eA: No library needed — it's a discrete component. Simply control it with digitalWrite() on your Arduino or ESP32 GPIO pin.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003chr\u003e\n\u003cp\u003e\u003cem\u003e✅ Fast delivery across Pakistan | COD available | Bulk orders welcome — contact us on WhatsApp!\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003e[VERIFY] Checklist Before Publishing\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e[ ] Confirm hFE range for Y2 grade (typically 120–200 for Y2 bin)\u003c\/li\u003e\n  \u003cli\u003e[ ] Verify SOT-23 exact pin dimensions from datasheet\u003c\/li\u003e\n  \u003cli\u003e[ ] Confirm pin 1\/2\/3 orientation matches your reel supplier's datasheet\u003c\/li\u003e\n  \u003cli\u003e[ ] Check if sold individually or per strip\/reel — update title\/description accordingly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"digilog.pk","offers":[{"title":"Default Title","offer_id":51498624155926,"sku":"SS8550-Y2-SOT23","price":10.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/0764\/1366\/files\/image_a5ca5642-3f5d-4dd7-a5a9-5db418a123ab.png?v=1783171950","url":"https:\/\/digilog.pk\/products\/ss8550-y2-pnp-smd-transistor-sot-23-for-arduino-in-pakistan","provider":"digilog.pk","version":"1.0","type":"link"}