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B59995C0120A070 参数 Datasheet PDF下载

B59995C0120A070图片预览
型号: B59995C0120A070
PDF下载: 下载PDF文件 查看货源
内容描述: PTC热敏电阻器的过流保护 [PTC thermistors for overcurrent protection]
分类和应用: 电阻器
文件页数/大小: 10 页 / 302 K
品牌: EPCOS [ EPCOS ]
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Overcurrent protection  
Leaded disks, coated, 12 V, 24 V  
C935 ... C995  
Symbols and terms  
A
Area  
Cth  
f
Heat capacity  
Frequency  
I
Current  
Imax  
IR  
IPTC  
Ir  
Maximum current  
Rated current  
PTC current  
Residual currrent  
Ir,oil  
Ir,air  
IRMS  
IS  
Residual currrent in oil (for level sensors)  
Residual currrent in air (for level sensors)  
Root-mean-square value of current  
Switching current  
ISmax  
LCT  
N
Maximum switching current  
Lower category temperature  
Number (integer)  
Nc  
Operating cycles at Vmax, charging of capacitor  
Switching cycles at Vmax, failure mode  
Power  
Nf  
P
P25  
Pel  
Pdiss  
Rmin  
RR  
RR  
RP  
RPTC  
Rref  
RS  
R25  
R25,match  
R25  
T
Maximum power at 25 °C  
Electrical power  
Dissipation power  
Minimum resistance  
Rated resistance  
Tolerance of RR  
Parallel resistance  
PTC resistance  
Reference resistance  
Series resistance  
Resistance at 25 °C  
Resistance matching per reel/ packing unit at 25 °C  
Tolerance of R25  
Temperature  
t
Time  
TA  
Ambient temperature  
Thermal threshold time  
Ferroelectric Curie temperature  
ta  
TC  
Please read Cautions and warnings and  
Important notes at the end of this document.  
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