4.7k ohm Resistor 1/4W 1%
The 4.7kΩ (4700 Ohm) Resistor is a precision 1/4W metal film resistor with a tight 1% tolerance, ideal for DIY electronics, Arduino projects, and prototyping. This is one of the most commonly used pull-up resistor values, especially for I²C bus lines, OneWire sensors (DS18B20), and digital input stabilization. With excellent stability, low noise, and reliable long-term performance, it's an essential component for hobbyists, students, and engineers in any electronic build.
المقاومة 4.7 كيلو أوم (4700 أوم) هي مقاومة دقيقة من نوع Metal Film بقدرة 1/4 واط وتفاوت 1%، مثالية لـ مشاريع الإلكترونيات DIY ومشاريع Arduino والنماذج الأولية. تُعدّ من أشهر القيم المستخدمة كمقاومات Pull-up، خصوصاً في خطوط ناقل I²C، وحساسات OneWire مثل DS18B20، وتثبيت المداخل الرقمية. تتميز بثبات ممتاز وضوضاء منخفضة وأداء موثوق طويل الأمد، وهي مكوّن أساسي للهواة والطلاب والمهندسين في أي مشروع إلكتروني.
The 4.7kΩ Resistor is a high-quality 1/4 Watt metal film resistor engineered to provide accurate and stable resistance for a wide variety of electronic circuits. With a precise 1% tolerance, it ensures consistent and predictable performance in both analog and digital applications. Metal film resistors are preferred over carbon film types because they offer lower noise, superior thermal stability, and higher long-term accuracy, making them ideal for sensitive electronic designs.
The 4.7 kilo-ohm (4.7kΩ) value is one of the most popular and frequently used resistor values in modern electronics. It is the standard pull-up resistor for I²C communication buses (SDA and SCL lines) used by countless modules including OLED displays, BMP280, MPU6050, and RTC modules. It is also the recommended pull-up value for OneWire sensors like the DS18B20 temperature sensor. Beyond pull-ups, it's commonly used in voltage dividers, transistor biasing, and analog signal conditioning.
Designed in a standard axial-lead through-hole package, this resistor easily integrates with breadboards, perfboards, and printed circuit boards (PCBs), making it ideal for rapid prototyping and permanent installations. It is fully compatible with all major development platforms, including Arduino, Raspberry Pi, ESP32, ESP8266, STM32, and PIC microcontrollers.
Specifications
- Resistance Value: 4.7 kΩ (4700 Ohm)
- Power Rating: 1/4 Watt (0.25W)
- Tolerance: ±1% (Precision Grade)
- Resistor Type: Metal Film
- Mounting Style: Through-Hole (Axial Lead)
- Lead Material: Tinned Copper
- Compliance: RoHS Compliant
- Operating Temperature Range: Typically -55°C to +155°C (standard for metal film)
Applications
- I²C Bus Pull-up Resistors — for SDA and SCL lines on Arduino, ESP32, Raspberry Pi
- OneWire Sensor Pull-up — required for DS18B20 temperature sensors
- Pull-up / Pull-down Resistors — stabilizing digital input pins on microcontrollers
- Voltage Dividers — generating reference voltages and scaling analog signals
- Transistor Base Biasing — driving BJTs in switching and amplifier circuits
- MOSFET Gate Pull-down — keeping gates at known states
- Signal Conditioning — filtering and impedance matching
- Sensor Interfacing — calibration and biasing for analog and digital sensors
- Arduino & Microcontroller Projects — prototyping and learning kits
- Audio & RF Circuits — gain setting and feedback networks
- Educational Electronics — schools, universities, and STEM labs
- General-Purpose Electronics — repair, modification, and DIY builds