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參數資料
| 型號： | NCP21WB473 |
| 廠商： | Murata Manufacturing Co., Ltd. |
| 英文描述： | for Surface Mounting Application |
| 中文描述： | 表面安裝應用 |
| 文件頁數： | 2/10頁 |
| 文件大小： | 226K |
| 代理商： | NCP21WB473 |
Part Number
Characteristics
Resistance
(at +25
°
C)
Sensing Temp.
(at 4.7k ohm)
Maximum
Voltage
Operating Temp.
PRF15BA471QB1RC
BA
470ohm
±
50%
125
±
5
°
C
115
±
5
°
C
105
±
5
°
C
32VDC
-20 to +140
°
C
-20 to +130
°
C
-20 to +120
°
C
PRF15BB471QB1RC
PRF15BC471QB1RC
BB
BC
PRF15/18 Series Chip POSISTOR
r
for Overheat Sensing
PRF15 Series Characteristics
Therm
ally Sensitive Res
istor
NTC
N
egative
T
emperature
C
oefficient
P
ositive
T
emperature
C
oefficient
PTC
Thermistor
Characteristics of Thermistors
Resistance - Temperature Characteristics
PTC Thermistor
(POSISTOR
r
)
BaTiO
3
+ X
Ceramics
NTC Thermistor
Mn-Ni, Mn-Co-Cu,
Mn-Ni + X
Ceramics
Log
R
T
2xR25
R25
25
Curie
Point
Log
R
T
R25
25
PRF15/18 PTC Chip thermistors detect overheating of
Hybrid ICs, Power Transistors, Power Diodes and
Power ICs etc.
1. 0402 and 0603 light weight
2. High gain simplifies circuit design
3. Free of contact noise and problems
4. Pb free plated terminations.
5. Sturdy construction resists mechanical vibration
and shock.
R1
R
L
R
E
R2
PRF
Thermal
Contact
Thermal
Contact
+Vcc
GND
Fan Motor
Vref
M
PRF
Comparator
Power IC
Control IC
Example
(in mm)
Dimensions
Electrode
Construction
Cross-sectional
Nickel Barrier
Sn Plating
Ceramic
PTC
0.1-0.4
1.0
±
0.05
0.5
±
0.05
0.5
±
0.05
New
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP21WB473J03RA | 功能描述:熱敏電阻 - NTC 47K OHM 5% RoHS:否 制造商:EPCOS 電阻:10 kOhms 功率額定值:150 mW 容差:2 % 端接類型:Radial 系列:B57703M 工作溫度范圍:- 55 C to + 125 C |
| NCP21WB473K03RA | 功能描述:熱敏電阻 - NTC 47K OHM 10% RoHS:否 制造商:EPCOS 電阻:10 kOhms 功率額定值:150 mW 容差:2 % 端接類型:Radial 系列:B57703M 工作溫度范圍:- 55 C to + 125 C |
| NCP21WD683J03RA | 制造商:Murata Manufacturing Co Ltd 功能描述:LEADED NTC THERMISTOR |
| NCP21WF104 | 制造商:MURATA 制造商全稱:Murata Manufacturing Co., Ltd. 功能描述:for Surface Mounting Application |
| NCP21WF104F09RA | 制造商:Murata Manufacturing Co Ltd 功能描述:NTC,SMD,0805,100000 OHM,1%,-10+125,T/R - Tape and Reel |
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