5W Cement Resistor for VFD Current Limiting and Industrial Control
Description
5W Cement Resistor for VFD and Industrial Applications
MPR,Flameproof Metal Plate Resistor,is with the features of high reliablity,non-inductive,and space saving,and applied for various electronic equipment.This 5W cement resistor is widely used in variable frequency drives (VFD), motor control systems, and industrial power circuits. It is designed to provide stable current limiting and reliable protection in demanding electrical environments.
Key Features:
– Stable resistance performance under high load
– Excellent heat dissipation and overload resistance
– Suitable for VFD current limiting and protection circuits
– Cost-effective solution for industrial applications
– Long service life in harsh environments
Dimension：
| Type | H (mm) | W (mm) | L (mm) | P (mm) | d (mm) | Power Rating |
|---|---|---|---|---|---|---|
| MPR2W | 8.0±1.0 | 13.0±1.0 | 4.5±1.0 | 9.0±1.0 | 0.6±1.0 | 2W |
| MPR3W | 13.0±1.0 | 14.0±1.1 | 5.0±1.0 | 9.0±1.0 | 0.6±1.0 | 3W |
| MPR5W | 18.0±1.0 | 14.0±1.1 | 5.0±1.0 | 9.0±1.0 | 0.6±1.0 | 5W |
| MPR7W | 18.0±1.0 | 26.0±1.3 | 5.0±1.0 | 9.0±1.0 | 0.8±1.0 | 7W |
| MPR10W | 20.0±1.0 | 26.0±1.3 | 5.0±1.0 | 20.0±1.0 | 0.8±1.0 | 10W |
Note: Special specifications can be customized upon request.
CONSTRUCTION
“`html| Test Item | Specified Value |
|---|---|
| Temperature Coefficient of Resistance | ±350 PPM/℃ |
| Short Time Overload | ±(2% + 0.05Ω) |
| Dielectric Withstanding Voltage | No evidence of damage |
| Insulation Resistance | Over 10 MΩ |
| Terminal Strength | No evidence of damage |
| Moisture Load Life | ±(3% + 0.05Ω) |
| Load Life at 70℃ | ±(5% + 0.05Ω) |
| Temperature Cycling | ±(2% + 0.05Ω) |
| Solderability | Over 95% |
| Resistance to Soldering Heat | No evidence of damage |
| Flame Proof | No evidence of flame |
DERATING CURVE
SURFACETEMP.RISE
Applications:
Variable Frequency Drives (VFD)
– Motor control and protection circuits
– Industrial automation systems
– Power supply and braking circuits
– Equipment current limiting and load control
Why choose our cement resistor:
We provide fast delivery, stable quality, and competitive pricing for industrial customers who require reliable resistor solutions for production and maintenance projects.
For technical specifications or bulk quotation, please contact us directly.
