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NTC33D-11

更新时间： 2024-11-15 01:13:43

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NTC33D-11 数据手册

NTC Thermistor

Features

This is a Negative Temperature Coefﬁcient Resistor Whose resistance

changes with ambient temperature changes. Thermistor comprises 2 or 4

kinds of metal oxides of iron, nickel,cobalt, manganese and copper, being

shaped and Sintered at high temperature(1200℃ to 1500℃ )

Critical Technical Parameters of NTC Thermistor

* Rt---Resistance Value at Zero-power

It's a resistance which is got at a ﬁxed temperature on a basis of a testing

power which causes resistance to Vary in a range which can be ignored in

relation to the total testing eror.

* R25---Resistance Value at Rated Zero-power

The design resistance of the thermistor usually refers to the resistance value got at Zero-power at 25℃ , which is usually

indicated on the thermistor.

* Max. steady state current.I_max

The maximum allowable continuous current passing through thermistor at 25℃.

* Dissipation Coefﬁcient δ

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:δ = △P/ △T ,δ changes in response when the ambient temperature changes, within the

ranges of the working temperature.

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.

Part Numbering System

NTC

D-13

Negative Temperature

Resistance Value:10Ω

Diameter of Chip: Φ13

Cofﬁcient Resistor

1/4

Rev :01.06.2018

www.leiditech.com

12 3 4

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