1k ohm Resistor
The 1kΩ (1000 Ohm) Resistor is a precise 1/4W metal film resistor with a tight 1% tolerance, perfect for DIY electronics, Arduino projects, and prototyping. As one of the most commonly used resistor values, it is widely applied in pull-up/pull-down circuits, LED current limiting, voltage dividers, and signal conditioning. With stable resistance, low noise, and excellent reliability, it is an essential component for hobbyists, students, and engineers in any electronic build.
المقاومة 1 كيلو أوم (1000 أوم) هي مقاومة دقيقة من نوع Metal Film بقدرة 1/4 واط وتفاوت 1%، وهي مثالية لـ مشاريع الإلكترونيات DIY ومشاريع Arduino والنماذج الأولية. تُعدّ من أكثر قيم المقاومات استخداماً، وتُوظّف بكثرة في دوائر Pull-up و Pull-down، وتحديد تيار الـ LED، ومقسّمات الجهد، ومعالجة الإشارات. تتميز بثبات قيمتها وضوضاء منخفضة وموثوقية عالية، مما يجعلها مكوّناً أساسياً للهواة والطلاب والمهندسين.
The 1kΩ Resistor is a high-quality 1/4 Watt metal film resistor offering precise and stable resistance for a wide range of electronic applications. Featuring a tight 1% tolerance, it provides consistent performance and accurate readings in both analog and digital circuits. Metal film resistors are favored for their low noise, excellent thermal stability, and long-term accuracy, making them ideal for sensitive electronic designs.
The 1 kilo-ohm (1kΩ) value is one of the most frequently used resistor values in electronics. It is commonly employed in pull-up and pull-down resistor networks for digital input pins, LED current limiting when driving LEDs from 5V or higher, voltage divider circuits, and transistor base biasing. This makes the 1kΩ resistor a true workhorse component in any maker's toolbox.
Designed in a standard axial-lead through-hole package, it integrates easily with breadboards, perfboards, and PCBs, making it suitable for both prototyping and final builds. It is fully compatible with all popular development platforms including Arduino, Raspberry Pi, ESP32, ESP8266, STM32, and PIC microcontrollers, and has been tested extensively in real-world DIY projects.
Specifications
- Resistance Value: 1 kΩ (1000 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
- Pull-up & Pull-down Resistors — stabilizing digital input pins on microcontrollers
- LED Current Limiting — driving LEDs from 5V, 9V, or 12V supplies
- Voltage Dividers — generating reference voltages and scaling analog signals
- Transistor Base Biasing — driving BJTs in switching and amplifier circuits
- Signal Conditioning — filtering and impedance matching
- Arduino & Microcontroller Projects — prototyping and learning kits
- Audio & RF Circuits — gain setting and feedback networks
- Sensor Interfacing — calibration and biasing for analog sensors
- Educational Electronics — schools, universities, and STEM labs
- General-Purpose Electronics — repair, modification, and DIY builds
- Logic Level Conversion — combined with other resistors for safe interfacing