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| 型號(hào)： | 207524-9 |
| 廠商： | Tyco Electronics |
| 元件分類(lèi)： | 輸入/輸出連接器 |
| 英文描述： | 5mm (.197") Centerline, 600 V, 14 A max. (Metrimate) |
| 中文描述： | Metrimate連接器 |
| 文件頁(yè)數(shù)： | 45/64頁(yè) |
| 文件大?。?/td> | 5860K |
| 代理商： | 207524-9 |
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5
AMP Metrimate
Pin and Socket Connectors
Catalog 82045
Dimensions are in millimeters
Dimensions are shown for
USA: 1-800-522-6752
South America: 55-11-3611-1514
Revised 06-08
and inches unless otherwise
reference purposes only.
Canada: 1-905-470-4425
Hong Kong: 852-2735-1628
specified. Values in brackets are
Specifications subject
Mexico: 01-800-733-8926
Japan: 81-44-844-8013
www.tycoelectronics.com
equivalent U.S. Customary Units.
to change.
C. America: 52-55-5-729-0425
UK: 44-141-810-8967
NOTE: All part numbers
are RoHS Compliant
contact. The curve is usu-
ally flat up to 75
°C ambient
and then drops off. Up to
75
°C, the 30°C T-rise limits
the amount of current, and
above 75
°C the current
must be reduced to keep
the combination of ambi-
ent temperature and T-rise
from exceeding the maxi-
mum operating tempera-
ture of 105
°C.
Next are rating factors, a
table of multipliers to
account for connector
loading and for smaller
wire sizes. The designer
first determines the base
current for the ambient
conditions of the applica-
tion, then multiplies this
base current by the rating
factors to find the current
level for the application's
loading factor and wire
size.
Practical Values
The current-rating method
gives designers practical val-
ues applicable to their appli-
cations. While the specified
current levels for a contact
may be lower than for other
testing methods, they are
more realistic and simplify
the system design process.
"Spec-manship" is replaced
by a realistic assessment of
the current-carrying capacity
of a contact under varying
conditions of temperature,
connector loading, and wire
size.
0
10
20
30
40
50
60
70
80
90
100
0
5
10
15
Single Contact
18 AWG
[0.8 mm2]
Ambient Temperature (°C)
Cu
rr
en
tR
at
in
g
(A
m
pe
re
s)
18
20
22
24
26
Single
1
.83
.69
.59
.50
30%
.97
.80
.66
.57
.49
50%
.83
.68
.57
.48
.42
70%
.65
.53
.45
.38
.33
100%
.55
.45
.38
.32
.28
AWG
%
Lo
ad
in
g
Figure 1
Graph shows the relationship between base current, ambient tem-
perature, and contact T-rise.
Figure 2
Rating factors allow the base current to be adjusted for various con-
nector loading and wire sizes.
An Example:
To demonstrate the method of specifying current, consider the
following application conditions, an ambient temperature of
65
°C, a 50% loading of contacts in the housing, and 20 AWG
[0.6 mm2] wire.
From Figure 1, the base current rating is 14 ampere with 18
AWG [0.8 mm2] wire.
Figure 2, the rating factor for 50% loading and 20 AWG [0.6
mm2] wire is 0.68.
The specific rating for this application is the product of the
base rating and the rating factor:
14 x 0.68 = 9.5 ampere
Each of the contacts can carry 9.5 ampere.
However, if the ambient temperature is 80
°C the allowable
T-rise becomes 25
°C. The base current must be lowered to
12.8 ampere so that the 105
°C maximum operating tempera-
ture is not exceeded. The current rating then becomes:
12.8 x 0.68 = 8.7 ampere.
Performance Characteristics (Continued)
P
erf
ormanc
e
Char
act
eris
tics
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