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ERTJ0ER103J

更新时间： 2024-09-17 21:14:31
品牌 Logo 应用领域
松下 - PANASONIC 温度补偿电阻器
页数 文件大小 规格书
14页 255K
描述
NTC Thermistor, 10000ohm, Surface Mount, CHIP, 0402, ROHS COMPLIANT

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ERTJ0ER103J 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：,Reach Compliance Code：compliant
Factory Lead Time：6 weeks风险等级：1.56
JESD-609代码：e3安装特点：SURFACE MOUNT
端子数量：2最高工作温度：125 °C
最低工作温度：-40 °C封装高度：0.5 mm
封装长度：1 mm封装形状：RECTANGULAR PACKAGE
封装形式：SMT封装宽度：0.5 mm
包装方法：TR, PUNCHED, 7 INCH额定功率耗散 (P)：0.066 W
额定温度：25 °C电阻：10000 Ω
电阻器类型：NTC THERMISTOR表面贴装：YES
端子面层：Tin (Sn)端子位置：DUAL ENDED
端子形状：WRAPAROUND热敏电阻器应用：TEMPERATURE COMPENSATION
容差：5%Base Number Matches：1

ERTJ0ER103J 数据手册

 浏览型号ERTJ0ER103J的Datasheet PDF文件第2页浏览型号ERTJ0ER103J的Datasheet PDF文件第3页浏览型号ERTJ0ER103J的Datasheet PDF文件第4页浏览型号ERTJ0ER103J的Datasheet PDF文件第5页浏览型号ERTJ0ER103J的Datasheet PDF文件第6页浏览型号ERTJ0ER103J的Datasheet PDF文件第7页 
NTC Thermistors  
The NTC Thermistors  
NTC Thermistors is a negative temperature coefficient resistor that significantly reduces its resistance value as the heat/  
ambient temperature rises. Thermistors is sintered in high-temperature (1200 °C to 1500 °C), and manufactured in  
various shapes. It’s comprised of 2 to 4 kinds of metal oxides: iron, nickel, cobalt, manganese and copper.  
Features  
Recommended Applications  
●
●
●
●
Temperature Coefficient of Resistance is negative,  
and it’s extremely large (–2.8 to –5.1 [%/°C]).  
Various shapes, especially compact size  
components are available.  
For temperature measurement or temperature  
detection : Thermometer, temperature controller  
For temperature compensation : Transistor, transistor  
circuit, quarts oscillation circuit, and measuring  
instruments  
●
Selection of resistance vale is comparatively free, it’s  
available from several tens Ω to several hundred kΩ.  
Physical Characteristics of NTC Thermistors  
Thermistor is a resistor sensitive to temperature that is  
utilizing the characteristic of metal oxide semiconductor  
having large temperature coefficient.  
Fig. 1  
1000  
And its temperature dependency of resistance value is  
indicated by the following equation :  
100  
10  
1
T
1
.....................................  
(1)  
0
R=R exp  
B
[ ( )]  
0
T
T0 : Standard Temperature 298.15 K(25 °C)  
R0 : Resistance at T0 [K]  
1
B : Thermistor Constant [K]  
Temperature coefficient (a) in general meaning is indicated  
as follows :  
0.1  
B
....................................................................  
0.01  
0.001  
a=  
(2)  
T2  
Since the change by temperature is considerably large, a is  
not appropriate as a constant. Therefore, B value (constant)  
is generally used as a coefficient of thermistors.  
–40 –20  
0
20 40 60 80 100 120 140  
T (˚C)  
Major Characteristics of NTC Thermistors  
The relation between resistance and temperature of a  
thermistor is linear as shown in Fig. 2. The resistance  
value is shown in vertical direction in a logarithmic scale  
and reciprocal of absolute temperature (adding 273.15 to  
centigrade) is shown in horizontal direction.  
The B value (constant) determines the gradient of these  
straight lines. The B value (constant) is calculated by using  
following equation.  
Fig. 2  
10000000  
1000000  
100000  
10000  
1000  
100  
1
2
nR – nR  
k
k
.......................................................  
B =  
(3)  
1
1
1
T
2
T
R1: Resistance at T1 K  
R2: Resistance at T2 K  
When you calculate this equation, you’ll find that B value  
is not exactly constant. The resistance is expressed by  
the following equation :  
10  
R = AT–C exp D/T  
(4)  
.............................................................  
1
2.4  
2.9  
3.4  
3.9  
4.4  
In (4), C is a small positive or negative constant and quite  
negligible except for use in precision temperature-measuring  
device, therefore, the B value can be considered as constant  
number.  
In Fig. 1, the relation between the resistance ratio  
RT/R25 (R25 : Resistance at 25 °C, RT : Resistance at T °C)  
and B Value is shown with T °C, in the horizontal direction.  
1
T
(×10 –3K–1  
)
125  
85  
50  
25  
T (˚C)  
0
–20  
–40  
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.  
Should a safety concern arise regarding this product, please be sure to contact us immediately.  
02 May. 2015  
1234567...14

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