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| 型号： | PRF21BE471QB5RA |
| 厂商： | Murata Electronics North America |
| 文件页数： | 30/105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： | * |
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! 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 Narrow Current Band 51/60V Series
D max.
This product is a leaded type PTC thermistor
T max.
R90E.pdf
Mar.4,2014
3
for overcurrent protection which is suitable for
a current limiting resistor.
c Features
1. Small ?uctuation in the circuit due to resistance
tolerance +/-10%
2. Narrow current range (less than twice) between
operating and non-operating current at -10 to
60 degrees C.
3. Quick operating time due to small size compared
with conventional products.
4. Best suited to meet the requirements for power
supplies and motor protection. Error-free operations
are assured by rush current.
5. Circuit is protected until current is turned off.
6. Restores the original low resistance value
automatically once the overload is removed.
7. Non-contact design leads to long life and no noise.
Durable and strong against mechanical vibration
and shock because it is a solid element.
F±1.5
?d±0.05
(in mm)
Max.
Hold Current Hold Current Trip Current Trip Current
Max.
Resistance
Body
Thickness Height
Lead
Lead
Part Number
Voltage
(at +60°C)
(at +25°C)
(at +25°C)
(at -10°C)
Current
(at +25°C)
Diameter
(T)
(H)
Space
Diameter
(V)
(mA)
(mA)
(mA)
(mA)
(A)
(ohm)
(D) (mm)
(mm)
(mm) (F) (mm) (phi d) (mm)
PTGL04AS100K3B51B0
PTGL05AS6R8K3B51B0
PTGL07AS3R3K3B51B0
PTGL09AS2R2K3B51B0
PTGL12AS1R2K3B51B0
PTGL04AS220K4N51B0
PTGL04AS220K4B51B0
PTGL05AS100K4B51B0
PTGL07AS5R6K4N51B0
PTGL07AS5R6K4B51B0
PTGL09AS3R3K4B51B0
PTGL12AS2R2K4B51B0
51
51
51
51
51
60
60
60
60
60
60
60
168
197
307
412
592
88
115
170
186
229
333
439
213
249
389
522
749
112
145
215
236
290
421
556
283
331
517
694
996
149
193
286
314
386
560
739
332
388
606
814
1168
175
226
335
368
452
656
867
1.0
1.5
3.0
4.0
5.0
1.0
1.0
1.5
2.2
3.0
4.0
5.0
10 ±10%
6.8 ±10%
3.3 ±10%
2.2 ±10%
1.2 ±10%
22 ±10%
22 ±10%
10 ±10%
5.6 ±10%
5.6 ±10%
3.3 ±10%
2.2 ±10%
4.5
5.5
7.3
9.3
11.5
4.5
4.5
5.5
7.3
7.3
9.3
11.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
9.5
10.5
12.3
14.3
16.5
9.5
9.5
10.5
12.3
12.3
14.3
16.5
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0.6
0.6
0.6
0.6
0.6
0.5
0.6
0.6
0.5
0.6
0.6
0.6
Maximum Current shows typical capacities of the transformer which can be used.
51/60V Series are recognized by UL.
Taping type is also available. Please refer to the page of "Package" information for details.
28
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