参数资料
型号: PRF21BE471QB5RA
厂商: Murata Electronics North America
文件页数: 65/105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.
Continued from the preceding page.
R90E.pdf
Mar.4,2014
c Operating Time 265V Series (Typical Curve)
PTGL18AR6R0H8B72B0
70
c Application Circuit
(1) Transistor Protection Circuit
PTH
60
50
R B
R L
40
R A
C
R E
30
–10°C
25°C Ambient Temp.
60°C
20
10
0
0
1.0
2.0 3.0
4.0
Overcurrent [A]
(2) Transformer Protection Circuit 1)
(3) Transformer Protection Circuit 2)
PTH
PTH
D
Power
Supply
C
Power
Supply
9
(4) Fluorescent Lamp Protection Circuit
(5) Telecommunication Circuit
Fluorescent Lamp
S
S
PTH
Power
Source
C
CH
R
C
Arrester
Varistor
Telephone
or
PBX
C
Varistor
PTH
PTH
63
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