Description
MF72 5D11 NTC Thermistor – Inrush Current Limiter
The MF72 5D11 NTC Thermistor is a reliable negative temperature coefficient thermistor designed for effective inrush current limiting in power electronic applications. It features a cold resistance of 5Ω and an 11mm disc diameter, allowing it to suppress high startup current and then rapidly drop to a low resistance during normal operation. Supplied in a DIP through-hole package, the MF72 5D11 is easy to integrate into PCBs and power modules. It is widely used in SMPS, adapters, inverters, UPS systems, battery chargers, LED power supplies, and industrial power equipment to protect sensitive components and improve system reliability.
| Specification | Details |
|---|---|
| Part Number | MF72 5D11 |
| Thermistor Type | NTC (Negative Temperature Coefficient) |
| Cold Resistance (R25) | 5Ω |
| Disc Diameter | 11mm |
| Mounting Type | DIP / Through-Hole |
| Application Type | Inrush Current Limiter |
Applications
- SMPS and switching power supplies
- Inverters and UPS systems
- Battery chargers and adapters
- LED power supplies
- Industrial power equipment
- AC input surge protection
How to Use
- Install the thermistor in series with the AC input line.
- Ensure adequate airflow for heat dissipation.
- Allow sufficient cooldown time between power cycles.
- Select according to startup current requirements.
- Mount securely to avoid mechanical stress.
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