1. Introduction
This manual provides essential information for the safe and effective use of the Pissente 200W 8 Ohm Aluminum Resistor. Please read these instructions carefully before installation and operation to ensure proper function and safety.
2. Product Overview
The Pissente 200W 8 Ohm Aluminum Resistor is a high-power fixed resistor designed for various industrial electrical applications. Its aluminum shell provides efficient heat dissipation.
2.1 Features
- Material: Constructed from high-quality aluminum for durability and practical use, ensuring a long service life.
- Screw Holes: Equipped with screw holes for easy installation, allowing secure mounting to a chassis or heat sink for enhanced heat dissipation.
- Wide Application: Suitable for use in power supplies, sensors, elevators, stage audio equipment, and other high-demand industrial applications.
- High Performance: Manufactured to meet standard specifications, ensuring high reliability and consistent performance.
2.2 Specifications
| Specification | Value |
|---|---|
| Power Rating | 200W |
| Resistance | 8 Ohm (8R) |
| Resistance Tolerance | ±5% (J) |
| Mounting Hole Diameter | 4.2mm / 0.2 inch |
| Hole-to-Hole Distance | 41.5mm (1.6 inch) / 37.5mm (1.5 inch) |
| Board Size (L x W x H) | 100 x 52 x 29mm / 3.9 x 2 x 1.1 inch |
| Item Model Number | Pissenteru3no82pg71091 |
| Manufacturer | Pissente |
2.3 Product Visuals




2.4 Product Video
This video provides a 30-second overview of the Pissente 200W 8 Ohm Aluminum Resistor, showcasing its design, features, and dimensions from various angles.
3. Safety Information
Working with electrical components requires caution. Please observe the following safety guidelines:
- Always disconnect power before installing or servicing electrical components.
- Ensure proper insulation and avoid direct contact with live circuits.
- Verify that the resistor's specifications (power rating, resistance) match your application requirements.
- Resistors can generate significant heat during operation. Ensure adequate ventilation or heat sinking to prevent overheating.
- If you are unsure about any aspect of installation or operation, consult a qualified electrician or electronics technician.
4. Setup and Installation
The Pissente 200W 8 Ohm Aluminum Resistor is designed for straightforward installation, particularly when mounting to a heat sink or chassis.
- Preparation: Identify a suitable mounting surface that can effectively dissipate heat. This is crucial for high-power applications.
- Mounting: Use appropriate screws (not included) to secure the resistor to the chosen surface through the pre-drilled screw holes. Ensure a firm and stable attachment. For optimal heat transfer, consider using thermal paste between the resistor's base and the mounting surface.
- Electrical Connection: Connect the resistor into your circuit using the threaded terminals on each end. Ensure connections are tight and secure to prevent arcing or poor contact.
- Verification: Double-check all connections and ensure no loose wires or short circuits are present before applying power.
5. Operating Instructions
Once installed, the resistor operates passively within your electrical circuit. Its primary function is to limit current, divide voltage, or dissipate power as heat.
- Ensure the applied voltage and current do not exceed the resistor's 200W power rating. Exceeding this rating can lead to overheating and damage.
- Monitor the resistor's temperature during initial operation, especially in new circuit designs, to confirm adequate heat dissipation.
- The resistor's resistance value is fixed at 8 Ohms. Do not attempt to alter this value.
6. Maintenance
The Pissente aluminum resistor requires minimal maintenance due to its robust design.
- Periodically inspect the resistor and its connections for any signs of physical damage, corrosion, or loose terminals.
- Ensure that the mounting screws remain tight to maintain good thermal contact with the heat sink (if used).
- Keep the resistor free from dust and debris, which can impede heat dissipation. Clean gently with a dry, soft cloth if necessary.
- Avoid exposing the resistor to excessive moisture or corrosive environments.
7. Troubleshooting
If you encounter issues with the resistor, consider the following troubleshooting steps:
- Resistor Overheating:
- Verify that the power dissipated by the resistor (P = I²R or P = V²/R) does not exceed 200W.
- Ensure adequate heat sinking and ventilation. The aluminum housing is designed for heat dissipation, but external cooling may be required in high-power continuous operation.
- Check for proper mounting to the heat sink; a poor thermal interface can lead to overheating.
- Incorrect Resistance Reading:
- Ensure your multimeter is calibrated and used correctly.
- Disconnect the resistor from the circuit before measuring its resistance to avoid parallel paths affecting the reading.
- Check for physical damage to the resistor or its terminals.
- No Current Flow / Open Circuit:
- Inspect all wiring connections for continuity.
- Check the resistor for internal damage, which might cause an open circuit.
If problems persist after troubleshooting, it may indicate a fault with the resistor or another component in your circuit. Consider replacing the resistor if it is suspected to be faulty.
8. Warranty and Support
For warranty information and technical support regarding your Pissente 200W 8 Ohm Aluminum Resistor, please refer to the retailer where the product was purchased or visit the official Pissente store on Amazon:
Visit the Pissente Store on Amazon
Please retain your proof of purchase for any warranty claims.