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参数资料
型号： PRF21BE471QB5RA
厂商： Murata Electronics North America
文件页数： 58/105页
文件大小： 0K
描述： THERMISTOR
标准包装： 4,000
系列： PRF18/21
在 25°C 时的电阻（欧姆）： 470
电阻公差： ±50%
工作温度： -20°C ~ 100°C
安装类型： PCB，表面贴装
封装/外壳： 芯片
供应商设备封装： *
包装： *

! Note ? Please read rating and ! CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
? This catalog has only typical speci?cations. Therefore, please approve our product speci?cations or transact the approval sheet for product speci?cations before ordering.
POSISTOR r for Circuit Protection
Overcurrent Protection 250/265V Series
"POSISTOR" is a circuit protector whose resistance
value in normal operation is very low and in abnormal
situations like overcurrent or overheating, will be
increased to restrain overcurrent. "POSISTOR" can be
used for overcurrent protection against current fuse
or temperature fuse, due to its ability to return to
its initial condition when overcurrent is removed.
D max.
T max.
R90E.pdf
Mar.4,2014
F –0.3
c Features
1. Best suited to meet the requirements for power
supplies and motor protection. Error-free operations
250V Series
+0.8
?d±0.05
(in mm)
are assured by rush current.
2. Circuit is protected until current is turned off.
D max.
T max.
3. Restores the original low resistance value
automatically once the overload is removed.
4. Non-contact design leads to long life and no noise.
Durable and strong against mechanical vibration
and shock because it is a solid element.
?d
9
265V Series
(PTGL_1B0)
F±1.5
D max.
T max.
±0.05
(in mm)
265V Series
F±1.5
?d±0.05
(PTGL_2B0)
(in mm)
Max.
Hold Current Hold Current Trip Current Trip Current
Max.
Resistance
Body
Thickness
Lead
Lead
Part Number
Voltage
(at +60°C)
(at +25°C)
(at +25°C)
(at -10°C)
Current
(at +25°C)
Diameter
(T)
Space
Diameter
(V)
(mA)
(mA)
(mA)
(mA)
(A)
(ohm)
(D) (mm)
(mm)
(F) (mm) (phi d) (mm)
PTGL07BB220N0B52A0
PTGL10BB120N0P52A0
PTGL09AR390N0B52A0
PTGL05AR151H8P52B0
PTGL05AR181M9N51B0
PTGL05AR121M9N51B0
PTGL07AR820M9A51B0
PTGL07AR700H8B52B0
PTGL07AR650H8B52B0
PTGL07AR450H8B52B0
PTGL07AR560M9A51B0
PTGL09AR390M9C61B0
250
250
250
265
265
265
265
265
265
265
265
265
90
90
100
28
29
35
60
66
68
80
80
100
130
130
115
35
37
47
75
85
84
105
95
130
250
250
245
65
60
75
125
160
162
200
165
210
300
300
280
78
70
85
150
185
190
220
190
240
0.5
0.6
0.6
0.2
0.3
0.3
0.5
0.4
1.0
1.0
0.8
1.2
22 ±30%
12 ±30%
39 ±30%
150 ±25%
180 ±20%
120 ±20%
82 ±20%
70 ±25%
65 ±25%
45 ±25%
56 ±20%
39 ±20%
8.0
11.0
10.0
6.0
6.5
6.5
8.2
8.0
8.0
8.0
8.2
10.0
6.0
6.0
6.0
6.0
6.5
6.5
6.5
6.0
6.0
6.0
6.5
6.5
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
6.5
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.6
0.6
0.6
0.5
0.65
Continued on the following page.
56
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