NTC5D-7 데이터 시트보기 (PDF) - Unspecified

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NTC5D-7

NTC THERMISTOR

Unspecified 

Imax

Max steady state current.

The maximun allowable continuous current passing through

thermistor at 25 .

,

=P/T

63.2%

C

=C /

USB

Dissipation Coefficient

It's the ratio of the changes with a thermistor dissipation power, in

a pre-set ambient temperature, to the changes with the

temperature. The formula is as below: = P/ T changes in

response when the ambient temperature changes, within the

ranges of the working temperature.

Thermal Time Constant

At Zero-power and when amutatio occurs with the temperature,

the time "t", which is-spent for finishing 63.2% of the gap between

the beginning temperature and the ending temperature in the

thermistor. is directly proportional to"c",the heat capacity of the

thermistor, and is inversely proportional to , the dissip ation

constant. That is " =C/ " .

APPLICATIONS

Conversion power supply, switch power, UPS power, Kinds of electric

heter, electronic energy-saving lamps, electronic ballast etc all kinds

of power cicuit proterction of electronic equipments, filament proterction

of CRT, bulb and other lighting lamps.

2

Free Datasheet http://www.Datasheet4U.com

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