330k ohm Resistor
The 330kΩ (330,000 Ohm) Resistor is a precision 1/4W metal film resistor with a tight 1% tolerance, ideal for DIY electronics, Arduino projects, and prototyping. This high-value resistor is commonly used in RC timing circuits, high-impedance voltage dividers, op-amp feedback networks, and FET biasing. With excellent stability, low noise, and reliable long-term performance, it's an essential component for hobbyists, students, and engineers building circuits on breadboards, perfboards, or custom PCBs.
المقاومة 330 كيلو أوم (330,000 أوم) هي مقاومة دقيقة من نوع Metal Film بقدرة 1/4 واط وتفاوت 1%، مثالية لـ مشاريع الإلكترونيات DIY ومشاريع Arduino والنماذج الأولية. تُستخدم هذه المقاومة عالية القيمة بشكل شائع في دوائر التوقيت RC، ومقسّمات الجهد عالية الممانعة، وشبكات التغذية الراجعة لمضخمات الإشارة، وتحييز ترانزستورات FET. تتميز بثبات ممتاز وضوضاء منخفضة وأداء موثوق طويل الأمد، وهي مكوّن أساسي للهواة والطلاب والمهندسين عند بناء الدوائر على لوحات التجارب أو ثنائيات الفينول النحاسية.
The 330kΩ Resistor is a high-quality 1/4 Watt metal film resistor engineered to deliver accurate and stable resistance in 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 especially suitable for high-impedance and precision circuits.
The 330 kilo-ohm (330kΩ) value is a standard E96-series resistor widely used where high resistance and low current consumption are required. Common applications include RC timing networks with 555 timer ICs, high-impedance voltage dividers for battery monitoring on microcontroller analog pins, feedback resistors in op-amp circuits, and biasing FET/JFET input stages. It's also frequently used in audio preamplifiers, low-frequency filter circuits, and low-power oscillators.
Manufactured in a standard axial-lead through-hole package, this resistor easily integrates with breadboards, perfboards, and printed circuit boards (PCBs), making it ideal for both rapid prototyping and permanent installations. It is fully compatible with all popular development platforms, including Arduino, Raspberry Pi, ESP32, ESP8266, STM32, and PIC microcontrollers.
Specifications
- Resistance Value: 330 kΩ (330,000 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
- RC Timing Circuits — long delay generation with 555 timer ICs and capacitors
- High-Impedance Voltage Dividers — battery monitoring and high-voltage scaling
- Op-Amp Feedback Networks — high-gain amplifier configurations
- FET / JFET Biasing — high-impedance input stages
- Pull-up / Pull-down Resistors — for very low-current digital lines
- Filter Networks — passive RC low-pass and high-pass filters
- Oscillator Circuits — low-frequency oscillators and signal generators
- Audio Preamplifiers — input bias resistors for high-impedance microphones
- Sensor Interfacing — biasing high-impedance sensors and probes
- Arduino & Microcontroller Projects — prototyping and learning kits
- Educational Electronics — schools, universities, and STEM labs
- General-Purpose Electronics — repair, modification, and DIY builds