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China
Personne àcontacter Mr. Rosa
11-502, Songpingshan, Langshan Road, North Area, Shenzhen High-tech Industrial Park, Nanshan, Shenzhen, Guangdong
Power NTC thermistor can be a cost effective device to limit the
amount of inrush current in a switching power supply or other
devices when the power is first turned on. Power NTC thermistor
limits surge current by functioning as a power resistor which drops
from a high cold resistance to a low hot resistance when heated by
the current flowing through it.
Inrush-current limiters power NTC thermistor protect circuits from
undesirably high currents, suppressing high inrush current surges,
while its resistance remains negligible low during continuous
operation. Thanks to their low resistance in the operating state,
Power thermistor have a considerably lower power dissipation than
the fixed resistors frequently used for this application.
Inrush Current Limiting Power NTC Thermistor Application
limiting surge current, suitable for the protection of switch mode
power supply, UPS power, transformers, motors, various electric
heating utensil, energy saving lights, ballast, various power
circuit, amplifiers, colored displayer, monitors, color TV,
filament protection, etc.
Power thermistor components can also be used for the soft starting
of motors, for example in vacuum cleaners with continuous currents
of up to *0 A.
Inrush Current Limiting Power NTC Thermistor Advantages:
·Low cost solid state device for inrush current supression.
·Minimise line current distortion and radio noise.
·Protect switches, rectifier diodes and smoothing capacitors
against premature failures.
·Prevent fuse from blowing in error.
Inrush Current Limiting Power NTC Thermistor Features:
·Resin coated disk thermistor with uninsulated lead-wires.
·Suitable for both AC and DC circuits up to a voltage of **5
V(rms).
·Wide range of resistance, current and dimension.
·Excellent mechanical strength.
·Suitable for PCB mounting.
