NTC 47D-15 Thermal Resistor – Inrush Current Limiter | 47D-15 NTC | ELCMart | NTC 47D 15 | 47D 15 NTC Thermal Resistor.
The NTC 47D-15 Thermal Resistor is a highly reliable inrush-current limiter used to protect power supplies, SMPS circuits, LED drivers, and transformer-based systems. When a device is powered ON, high surge current can damage components. This 47D-15 NTC thermistor safely absorbs the initial surge, ensuring smooth startup and longer equipment life.
Designed with a 47Ω resistance at 25°C and a 15mm disc size, this NTC thermistor delivers excellent suppression performance, making it a must-have component for technicians, repair centers, and PCB designers.
⭐ Key Features (Human-Friendly)
- Protects your device from high inrush current at startup
- 47 Ohm (at 25°C) resistance ensures strong surge limiting
- 15mm disc size for better heat handling and long life
- Self-resetting thermistor – resistance drops automatically once heated
- Ideal for SMPS, inverters, LED drivers, UPS, power supplies
- Stable performance with fast response
- Perfect replacement part for electronic repair work
- Easy to solder and fits in most standard PCB layouts
- Reliable component trusted by technicians and service engineers
📦 Full Specifications
- Product Type: NTC Inrush Current Limiting Thermistor
- Model: 47D-15
- Resistance (25°C): 47Ω
- Disc Diameter: 15mm
- Thermistor Type: Negative Temperature Coefficient (NTC)
- Max Steady Current: Typically 2.5A – 3A (varies by application)
- Tolerance: Standard tolerance for surge limiting thermistors
- Mounting Type: Through-hole
- Function: Surge current suppression during power-on
- Body Material: Metal-oxide NTC element
- Common Applications:
- SMPS power supply units
- LED drivers & bulbs
- Inverter circuits
- Battery chargers
- UPS systems
- AC/DC adapters
- Operating Temperature: Wide range suitable for electronic circuits
- Brand: Generic / Compatible
- Sold by: ELCMart


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