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RXE010 Datasheet(数据表) 5 Page - List of Unclassifed Manufacturers

部件型号  RXE010
说明  PolySwitch RXE device
下载  12 Pages
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制造商  ETC2 [List of Unclassifed Manufacturers]
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标志 ETC2 - List of Unclassifed Manufacturers

RXE010 Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers

  RXE010 数据表 HTML 1Page - List of Unclassifed Manufacturers RXE010 数据表 HTML 2Page - List of Unclassifed Manufacturers RXE010 数据表 HTML 3Page - List of Unclassifed Manufacturers RXE010 数据表 HTML 4Page - List of Unclassifed Manufacturers RXE010 数据表 HTML 5Page - List of Unclassifed Manufacturers RXE010 数据表 HTML 6Page - List of Unclassifed Manufacturers RXE010 数据表 HTML 7Page - List of Unclassifed Manufacturers RXE010 数据表 HTML 8Page - List of Unclassifed Manufacturers RXE010 数据表 HTML 9Page - List of Unclassifed Manufacturers Next Button
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Raychem Circuit Protection Devices
RXE Devices
169
4. Determine time-to-trip.
Time-to-trip is the amount of time it takes for a device to switch to a
high-resistance state once a fault current has been applied across the
device.
Identifying the RXE device’s time-to-trip is important in order to provide
the desired protection capabilities. If the device you choose trips
too fast, undesired or nuisance tripping will occur. If the device trips too
slowly, the components being protected may be damaged before the
device switches to a high-resistance state.
The chart below shows the typical time-to-trip at 20°C for each
PolySwitch RXE device. For example, the chart indicates that the
typical time-to-trip for RXE050 at 5 A is 0.3 second.
On the chart below, find the typical time-to-trip for the RXE device you
selected. If the RXE device’s time-to-trip is too fast or too slow for the
circuit, go back to Step 2 and choose an alternate device.
Typical time-to-trip at 20°C
1000
100
10
1
0.1
0.01
0.001
0.1
1
10
100
Fault current (A)
AB CDE F G H I J K L M N OPQ
A = RXE010
B = RXE017
C = RXE020
D = RXE025
E = RXE030
F = RXE040
G = RXE050
H = RXE065
I = RXE075
J = RXE090
K = RXE110
L = RXE135
M = RXE160
N = RXE185
O = RXE250
P = RXE300
Q = RXE375
RXE
Radial Leaded
4
RXE(7)
1/15/99 11:44 AM
Page 169




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