43Ω 17W ±10% Ceramic Power Resistor (43R) 🔧

The 43 Ohm 17W ±10% ceramic power resistor is a robust, wire-wound, through-hole component engineered for high-power and industrial electronics applications. Its durable ceramic housing provides excellent thermal performance and stability over long duty cycles, making it ideal for power electronics, braking circuits, electronic loads, and motor control systems. Suitable for both electronics engineers and hobbyists working with Arduino, Raspberry Pi, and other microcontroller platforms.

Key Features ⭐

• 43 Ω fixed resistance for precise current limiting and voltage dropping
• 17 W power rating for high-dissipation applications
• Wire-wound construction for high current handling and durability
• Ceramic body for superior heat dissipation and stability
• Through-hole mounting for secure, reliable installation
• Wide operating range: -55 °C to +200 °C

Technical Specifications 📐

• Resistance Value: 43 Ω (Ohms)
• Power Rating: 17 W
• Tolerance: ±10%
• Type: Fixed, Wire-Wound
• Body Material: Ceramic
• Operating Temperature: -55 °C ~ +200 °C
• Mounting Type: Through-Hole
• Color: White / Gray
• Dimensions: Approx. 50–60 mm length (varies by manufacturer)
• Quality Grade: A (manufacturer classification)
• Marking: 43R

Typical Applications ⚙️

• Power supply and industrial test circuits (dummy loads, discharge paths)
• Motor driver and braking resistor systems
• Current limiting and voltage dropping networks
• Electronic load simulation and power resistor banks
• Educational labs and R&D prototypes
• General electronics components use with Arduino, Raspberry Pi, and microcontroller modules (e.g., sensor calibration loads)

Advantages ✅

• High heat resistance and reliable thermal performance
• Long-lasting ceramic housing for extended service life
• Stable resistance over wide temperature range
• High current handling due to wire-wound design
• Suitable for industrial and hobby electronics projects

Compatibility & Integration 🔌

• Works as a load resistor or current limiter in Arduino and Raspberry Pi test setups
• Useful for validating voltage regulators, power modules, and motor drivers
• Note: Wire-wound resistors are inductive; avoid using in high-frequency or fast-switching precision circuits unless inductance is acceptable

Design Notes 🧰

• Verify dissipation with P = I²R or P = V²/R and ensure adequate cooling (airflow, spacing, or heatsinking as needed)
• Allow clearance around the body; surface temperature can be high during operation
• Derating above ambient temperature is typical for power resistors; follow standard wire-wound practices

Package Includes 📦

• 1 × 43 Ω 17W ±10% Ceramic Power Resistor (43R)