SMF53K9JT – TE CONNECTIVITY
Metal Film Resistor, SMF, 3.9kΩ, 5%, 5W, SMD.
Stock Quantity: 801
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 0.83 |
| 10+ | |
| 50+ | |
| 100+ |
801 in stock
Contact us for volume pricing
- Same day shipping if ordered before 14.00 GMT
- 6 month warranty on all stock items
- All stock held and shipped from our UK warehouse
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Overview
The TE CONNECTIVITY SMF53K9JT is a robust 5W chip resistor engineered for demanding applications where precise resistance and safety are paramount. Its 3.9 kOhms ±5% value and metal film construction ensure stable performance across a wide operating temperature range of -55°C to 200°C. A critical design consideration for such high-power surface-mount components is thermal management; while the J-lead design aids in heat dissipation, designers must carefully consider PCB copper pour and airflow to prevent exceeding the component’s thermal limits and compromising its flame retardant coating, a key safety feature.
Key Features
- Resistance: 3.9 kOhms
- Tolerance: ±5%
- Power Rating: 5W
- Temperature Coefficient: ±100ppm/°C
- Operating Temperature: -55°C to 200°C
- Dimensions: 13.50mm x 7.30mm (0.531″ x 0.287″)
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- High-energy pulse handling in power supply input filtering
- Safety-rated current limiting in industrial control circuits
- Inrush current suppression for sensitive electronic loads
- Robust series resistance in motor drive control feedback loops
