Description

The 47 Ohm 5W Horizontal (Axial) Wirewound Cement Power Resistor ±5% Tolerance is a high-performance component designed for applications that require reliable power dissipation, high accuracy, and excellent thermal management. With a 47-ohm resistance value and a 5-watt power rating, this wirewound cement resistor is perfect for high-power circuits, voltage regulation, and various industrial and automotive applications.

Key Features:

• Resistance: 47 Ohms, providing accurate and stable resistance for use in current-limiting, voltage divider, and other power applications where precise control is needed.
• Power Rating: 5 watts (5W), allowing the resistor to handle higher amounts of power dissipation while maintaining stable performance without overheating, making it suitable for medium to high-power circuits.
• Tolerance: ±5% tolerance, meaning the actual resistance will be within 5% of the nominal value, making it ideal for general-purpose applications where absolute precision is not the primary concern.
• Wirewound Construction: The wirewound design offers excellent temperature stability, high power handling capability, and precision resistance. It ensures better long-term accuracy and can tolerate significant power fluctuations.
• Cement Body: The cement casing provides robust thermal dissipation and protection, ensuring the resistor remains stable under heat stress. This construction helps prevent thermal runaway and allows the resistor to handle continuous power dissipation efficiently.
• Axial Mounting: The axial (horizontal) mounting design makes it easy to integrate into printed circuit boards (PCBs), ensuring secure and reliable connections. It allows for space-saving installation in tight designs.

Technical Specifications:

• Resistance: 47 Ohms
• Power Rating: 5W
• Tolerance: ±5%
• Construction Type: Wirewound with cement body
• Mounting Type: Axial (Horizontal)
• Temperature Range: Typically from -55°C to +155°C (common for cement power resistors)

Applications:

• Power Supplies: Ideal for use in power supplies where resistors are needed to dissipate power safely, helping regulate voltage and current.
• Current Limiting: Commonly used in current-limiting circuits to control the amount of current flowing to sensitive components, preventing overcurrent damage.
• Voltage Dividers: Suitable for creating stable voltage dividers in high-power circuits, ensuring reliable voltage regulation for sensitive equipment.
• Motor Control Systems: Used in motor control applications for adjusting current flow and protecting circuits from overcurrent situations.
• Load Resistors: Perfect for acting as a load resistor in testing and calibration, allowing the resistor to safely absorb power during load testing.
• Automotive Electronics: Often used in automotive circuits for power regulation, ballast control, and other high-power applications that require stable, durable resistors.
• Inductive Heating Circuits: Ideal for use in circuits involving inductive heating, where heat resistance and high power dissipation are essential.

Why Choose the 47 Ohm 5W Horizontal (Axial) Wirewound Cement Power Resistor?

The 47 Ohm 5W Horizontal (Axial) Wirewound Cement Power Resistor is specifically designed for high-power applications requiring reliability, durability, and consistent resistance values. With a 5W power rating, it can dissipate moderate to high power levels without overheating, making it ideal for use in power supplies, current-limiting circuits, voltage regulation, and other industrial or automotive systems.

Its wirewound construction ensures that the resistance value remains stable over time, while its cement body helps dissipate heat effectively and extend the resistor's lifespan, even in harsh environments. The ±5% tolerance offers sufficient accuracy for most general-purpose applications, and the horizontal axial mounting design provides easy integration into PCB layouts, especially when space is a consideration.

Whether you're working on high-power voltage regulation, industrial control systems, or automotive applications, this resistor is a reliable and durable choice that will provide long-term, stable performance in demanding conditions. Its robust construction, high power handling, and reliable resistance make it a versatile component for a wide range of circuits.