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8.2 Ohm 5 Watt 0.05 Wire Wound Cement Sandblock Resistor (10 Piece Lot) CR5-8.2-RC
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What Stands Out
High Power Rating
With a 5-watt power rating, this resistor can handle more load, ensuring reliable performance in various electronic applications and providing greater durability compared to lower-rated options.
Low Tolerance
The 8.2 Ohm resistance value coupled with a low tolerance ensures precise performance, making it ideal for applications requiring accurate and consistent electrical characteristics.
Bulk Purchase
Sold in a convenient 10-piece lot, this product offers great value for both hobbyists and professionals looking to save costs while stocking up on essential components for multiple projects.
Product Details
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Electronics Hobbyists
Ideal for DIY projects needing accurate resistors with specific ohm ratings and wattage.
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Electrical Testing
Perfect for testing circuits where specific resistance and power ratings are crucial for accurate measurements.
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Professional Engineers
Beneficial for professionals requiring reliable resistors in circuit designs and prototypes for stable performance.
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High Power Applications
Not suitable for applications exceeding 5 watts, as overheating may occur during use.
Product Description
8.2 Ohm 5 Watt 0.05 Wire Wound Cement Sandblock Resistor (10 Piece Lot) CR5-8.2-RC
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Customer Questions & Answers
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Question:
What is the specific use of the 8.2 Ohm 5 Watt Wire Wound Cement Sandblock Resistor?
Answer: The 8.2 Ohm 5 Watt Wire Wound Cement Sandblock Resistor is primarily used in various electronic circuits for current limiting applications, voltage division, and filtering. Its efficient heat dissipation, thanks to the cement sandblock construction, makes it ideal for high-power uses. You will often find this type of resistor in power supplies, amplifiers, and industrial equipment which require accurate resistance values for optimal performance. -
Question:
How do I determine the right resistor for my project?
Answer: To choose the right resistor, consider the required resistance value, wattage, and tolerance. The 8.2 Ohm, 5 Watt rating indicates it can manage high power applications without overheating. Additionally, evaluate your circuit voltage and current flow to ensure the resistor fits your specific needs. For instance, if you're designing a high-load circuit, this resistor provides reliability and stability under intense conditions. -
Question:
Can these resistors be used in series or parallel configurations?
Answer: Yes, you can use the 8.2 Ohm resistors in both series and parallel configurations. When placed in series, their resistance values add up, which is useful for achieving higher resistance requirements. In contrast, connecting them in parallel decreases the total resistance, allowing more current to flow. This versatility is beneficial in designing intricate circuits where precise resistance adjustments are essential. -
Question:
What is the maximum voltage for the 8.2 Ohm 5 Watt resistor?
Answer: The maximum voltage across an 8.2 Ohm resistor can be calculated using the formula V = √(P*R), where V is voltage, P is power (5 Watts), and R is resistance (8.2 Ohms). This results in a maximum voltage of about 12.65 Volts. It's crucial to remain below this threshold to prevent damage and ensure reliable operation, especially in high-power circuits where voltage fluctuations are common. -
Question:
What materials are used in the construction of this resistor?
Answer: The 8.2 Ohm resistor features a wire wound around a ceramic core, encased in a cement sandblock for thermal stability and robustness. This construction not only contributes to its heat dissipation ability but also provides resistance to environmental factors, making it suitable for both indoor and outdoor applications. The materials ensure longevity and reliability in various electronic devices. -
Question:
What advantages do wire wound resistors have over other types?
Answer: Wire wound resistors, like the 8.2 Ohm model, offer several advantages over other types such as carbon film or thick film resistors, including superior accuracy, lower noise, and better thermal stability. They can handle higher power ratings, making them suitable for precision applications in amplifiers and high-power circuits, where consistency and performance are critical. -
Question:
Is the resistor suitable for DIY electronics projects?
Answer: Absolutely! The 8.2 Ohm Wire Wound Cement Sandblock Resistor is perfect for DIY electronics projects, especially if you're working on circuit designs that require reliable resistance values. Many hobbyists use these in breadboarding, repair works, or custom electronics due to their durability and stability. Their ease of use and versatility makes them a staple in any electronics toolkit. -
Question:
What is the tolerance of this 8.2 Ohm resistor?
Answer: Typically, the tolerance for wire wound resistors, including the 8.2 Ohm model, is around 1% or 5%. This means the actual resistance can vary slightly from the stated value, ensuring precision in sensitive applications. Knowing the tolerance is essential when designing circuits that require specific electrical characteristics. For instance, a 1% tolerance can be critical in audio equipment to preserve sound quality. -
Question:
Can I use these resistors in automotive applications?
Answer: Yes, the 8.2 Ohm 5 Watt Wire Wound Cement Sandblock Resistor can be utilized in automotive applications, particularly for sensor circuits or power management systems. Its robust construction withstands the vibrations and temperature fluctuations typical in vehicles. Using reliable resistors in automotive electronics is crucial for maintaining overall system integrity, ensuring components function seamlessly. -
Question:
Where can I buy 8.2 Ohm 5 Watt 0.05 Wire Wound Cement Sandblock Resistor 10 Piece Lot CR5-8.2-RC?
Answer: You can purchase the 8.2 Ohm 5 Watt Wire Wound Cement Sandblock Resistor from Ubuy, which is an excellent platform for electronics components. Ubuy offers a wide selection of electronic parts and ensures a smooth shopping experience for customers in Brunei looking to find reliable components for their projects.
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