參數(shù)資料
型號(hào)： 179849-1
廠商： Tyco Electronics
元件分類： 邊緣插接連接器
英文描述： Power Double–Lock Connectors
中文描述： Power Double–Lock Connectors
文件頁數(shù)： 14/134頁
文件大?。?/td> 3000K
代理商： 179849-1
110
Catalog 82181
Dimensions are in inches and
Dimensions are shown for
USA: 1-800-522-6752
South America: 55-11-2103-6000
Revised 4-08
millimeters unless otherwise
reference purposes only.
Canada: 1-905-470-4425
Hong Kong: 852-2735-1628
specified. Values in brackets
Specifications subject
Mexico: 01-800-733-8926
Japan: 81-44-844-8013
www.tycoelectronics.com
are metric equivalents.
to change.
C. America: 52-55-1106-0803
UK: 44-8706-080-208
(MR) Miniature Rectangular Connectors (Continued)
AMP
Soft Shell
Pin and Socket Connectors
(MR)
Miniature
Rectangular
Connectors
.165
[4.20]
Centerline
High
Density
Performance
Characteristics
(Continued)
Maximum Current—Maximum
current rating of Miniature Rectangular
connectors is limited by the maximum
operating temperature of the housings
which is 105°C including the tempera-
ture rise of the contacts which is a
maximum of 30°C. There are several
variables which have a direct effect on
this maximum current-carrying capabil-
ity for a given connector and must
be considered for each application.
These variables are:
Wire Size—Larger diameter wire will
carry more current since it has less
internal resistance to current flow and
thus generates less heat. Longer wire
lengths also enhance current-carrying
capabilities since the wire conducts heat
away from the connector.
Connector Size—In general, the more
circuits in a connector, the less current
can be carried.
Ambient Temperature—The higher
the ambient temperature, the less current
can be carried in any given connector.
Printed Wiring Board Conductor
Size—The finished trace conductor
width and thickness should be maxi-
mized to allow for the greatest current-
carrying capacity and heat dissipation.
Miniature Rectangular connectors also
will withstand the following tests:
Vibration—10-55-10 cycles per
minute at .06 inch total excursion
Physical Shock—18 drops, 50 G
sawtooth at 10 milliseconds
Housing Panel Retention—
50 lb. min.
Housing Lock Strength—20 lb. min.
Thermal Shock— -55°C to +85°C
Temperature-Humidity Cycling—
25°C to 65°C at 95 RH
Corrosion—48 hr. at 5% salt
concentration
Related Product Data
Product Specifications
108-1022 (MR) Miniature Rectangular
Connectors
108-1078 (MR) Miniature Rectangular
Headers
Current Rating Verification for 30°C Maximum Temperature Rise 100% Energized
Wire-to-Wire
MR Calculated Current Table
Number of
Wire Gauge
Circuits
18
20
22
24
26
2
9.00
8.00
6.50
5.50
5.00
3
8.50
7.00
6.00
5.00
4.50
4
7.00
6.50
5.50
5.00
4.00
6
6.00
5.00
4.00
9
5.00
4.00
3.50
12
4.50
4.00
3.50
3.00
15
4.50
4.00
3.50
3.00
2.50
20
4.00
3.50
3.00
2.50
24
4.00
3.50
3.00
2.50
2.00
36
3.50
3.00
2.50
2.00
Values are based on initial Temperature Rise versus Current Testing and are intended to be a guide in the selection
of a connector family. All applications should be tested by the end user. The values listed are per circuit for fully loaded
housings being 100% energized. Note: All combinations were not tested and this chart contains interpolated and
extrapolated values.
Termination Resistance/Contact Crimp Tensile Force
Termination
Contact
Resistance
Crimp
Wire Size
Test
Resistance
Tensile Force
AWG
mm2
Current
Milliohms
Force (Min.)
(Amps)
(Max. Init.)
lbs.
N
26
.12
1
5.00
5
22
24
.2
1.5
5.00
8
36
22
.3
3
4.50
14
62
20
.5
4.5
4.00
14
62
18
.8
6
4.00
30
133
Note: This is the total resistance between wire crimps of a mated pin and socket.
Wire-to-Board
Due to the vast differences in trace geometry and printed circuit board configurations, we are unable to provide a
separate current carrying chart for our printed circuit board header products. However, the above Wire-to-Wire charts
may be used as a guideline for headers if the trace width and thickness is equal to the listed wire gauge. For vertical
headers, only 95% of the Wire-to-Wire value should be used. For right-angle headers, only 75% of the Wire-to-Wire
value should be used. The charted values are only a tool for connector selection and will require the customer to fully
test their application.
Minimum Wire Lengths for T-Rise vs. Current Testing
AWG
Min. Length (in.)
AWG
Min. Length (in.)
30
2.6
18
9.4
28
3.2
16
11.3
26
4.1
14
13.7
24
5.1
12
16.4
20
7.8
10
19.3
Note: If wire lengths used are less than those listed above, the current-
carrying ability of the system will be reduced due to less heat being
conducted away from the connector. The customer should fully test
all applications.
相關(guān)PDF資料
PDF描述
179849-4 Power Double–Lock Connectors
179849-6 Power Double–Lock Connectors
179861-1 Power Double–Lock Connectors
179861-4 Power Double–Lock Connectors
179861-6 Power Double–Lock Connectors
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