Description

4.7 Ohm (4E7) 2W 5% Through-Hole Resistor

Electrical Characteristics:

• Resistance Value: 4.7 Ohms
• Power Rating: 2 Watts (W)
• Tolerance: ±5% (variation of resistance within this range)
• Temperature Coefficient: Typically ±100 ppm/°C (varies with manufacturer)

Physical Characteristics:

• Type: Through-Hole Resistor
• Construction: Metal film or carbon film, depending on the variant
• Leads: Axial leads for secure through-hole mounting
• Body Material: Flame-retardant epoxy coating
• Dimensions: Typical length around 9-12 mm, diameter approximately 4-6 mm (may vary by manufacturer)

Applications:

• Ideal for current-limiting applications in power supplies and voltage dividers
• Suitable for audio equipment, industrial electronics, and circuit protection
• Used in hobbyist projects and educational kits for prototyping circuits
• Effective for thermal dissipation in moderate power applications

Key Features:

• High power dissipation capability (2W) for stability in power electronics
• Through-hole design ensures strong mechanical connection, ideal for robust applications
• ±5% tolerance allows sufficient precision for non-critical applications
• Durable construction for long-term reliability
• Stable operation across a wide temperature range

Advantages:

• Excellent heat dissipation performance compared to smaller or SMD resistors
• Easy to solder and replace in circuit repair scenarios
• Higher reliability in vibration-sensitive environments compared to surface-mount components
• Flame-resistant coating enhances safety during high-temperature operations

Environmental and Safety Considerations:

• Compliance with RoHS (Restriction of Hazardous Substances) standards
• Flame-resistant coating reduces the risk of failure under high-power conditions.