4.7 ohm, 1/4 Watt Resistor (5% tolerance) Resistor

The 4.7 ohm, 1/4 Watt Resistor (5% tolerance) is a crucial component in electronics, providing precise resistance to regulate voltage and current flow within circuits. Its compact size and 5% tolerance ensure reliability and accuracy in various applications. Whether used in DIY projects or industrial settings, this resistor delivers consistent performance, making it a versatile choice for engineers and hobbyists alike.

Key Features

1. Precise Resistance: Maintains accurate resistance of 4.7 ohms for consistent performance.
2. 1/4 Watt Power Rating: Handles power up to 0.25 watts, suitable for low-power applications.
3.  5% Tolerance: Ensures reliability by limiting resistance variation to within 5%.
4. Compact Size: Space-efficient design for easy integration into circuit boards.
5. High-Quality Construction: Durable materials ensure long-term stability and performance.

Precautions

1. Avoid Overloading: Ensure the power dissipated by the resistor does not exceed 1/4 Watt to prevent damage.
2. Proper Heat Dissipation: Mount the resistor on a suitable heat sink to prevent overheating.
3. Avoid Mechanical Stress: Handle with care to prevent physical damage that may alter resistance values.
4. Check Polarity: Confirm the correct orientation of the resistor in the circuit to prevent malfunction.
5. Keep Clean: Protect the resistor from dust and moisture to maintain its performance over time.

Frequently Asked Questions (FAQs)

Question: Can I use a 4.7 ohm resistor in place of a 5 ohm resistor?
Answer: Yes, the 4.7 ohm resistor can be used as a close substitute for a 5 ohm resistor in most applications.

Question: What is the maximum voltage this resistor can handle?
Answer: This resistor can handle voltages appropriate for its power rating, typically up to around 50 volts.

Question: How do I determine the wattage rating required for my application?
Answer: Calculate the power dissipated by the resistor using P = V^2 / R, where V is the voltage across the resistor and R is the resistance value.

Question: Can I solder this resistor directly to a PCB?
Answer: Yes, soldering the resistor to a PCB is a common method of installation, ensuring a secure connection.

Question: What does the 5% tolerance mean?
Answer: The 5% tolerance indicates that the actual resistance of the resistor may vary by up to 5% from the specified value of 4.7 ohms.