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參數資料
| 型號： | 232264073474 |
| 廠商： | Vishay Intertechnology,Inc. |
| 元件分類： | 熱敏電阻 |
| 英文描述： | NTC Thermistors, Screw Threaded Sensors |
| 中文描述： | NTC熱敏電阻器，螺絲螺紋傳感器 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 62K |
| 代理商： | 232264073474 |
NTC Thermistors, Screw Threaded Sensors
2322 640 7....
Vishay BCcomponents
Document Number: 29065
Revision: 10-Oct-03
For technical questions contact: nlr.europe@vishay.com
www.vishay.com
129
FEATURES
Easy mounting
Rugged construction
APPLICATIONS
Suitable for many applications, especially when a good
insulation and/or a good thermal contact with the chassis is
required.
Thermistor with negative temperature coefficient and two
solid tinned copper leads.
The device is mounted in the head of aluminium screws
size M4.
PACKAGING
The thermistors are packed in cardboard boxes; the smallest
packaging quantity is 100 units.
QUICK REFERENCE DATA
Note
1.
Measured with screw mounted on an aluminium heatsink of
100 cm
2
, thickness 1.5 mm, in still air at T
amb
= +25
°
C.
2.
Other R
request.
25
values based on 640 0 series are available upon
3.
Other tolerances on R
25
are available upon request.
PARAMETER
VALUE
Resistance value at 25
°
C
2.2 k
to 470 k
Tolerance on R
25
-value
±
5%
B
25/85
-value
3740 to 4570 K
Dissipation factor; note 1
≈
23 mW/K
Thermal time constant; note 1
≈
7.5 s
Operating temperature range at:
zero dissipation
40 to +100
°
C
maximum dissipation
0 to +55
°
C
Mass
≈
1.5 g
MARKING
The last 4 digits of the catalog number are printed on the stud
in accordance with the information in Electrical Data and
Ordering Information Table.
MOUNTING
By means of a washer and M4 nut supplied with the device.
Applied torque shall not exceed 1.2 Nm. Leads to be
soldered.
ELECTRICAL DATA AND ORDERING INFORMATION
Note
R
25
The thermistors have a 12-digit catalog number starting with 2322 640 7. The subsequent 4 digits indicate the resistance value and tolerance.
-values, temperature coefficients and catalog numbers.
R
(k
25
)
B
25/85
-VALUE
TC
(%/K)
CATALOG NUMBER 2322 640 7....
R
25
3222
3472
3103
3123
3153
3473
3104
3154
3474
±
5%
2.2
4.7
10
12
15
47
100
150
470
3977 K
3977 K
3977 K
3740 K
3740 K
4090 K
4190 K
4370 K
4570 K
±
±
±
0.75%
0.75%
0.75%
±
1.5%
±
1.5%
±
1.5%
±
1.5%
±
2.5%
±
2%
4.37
4.37
4.37
4.10
4.10
4.46
4.57
4.75
4.95
DIMENSIONS
in millimeters
Component outline.
8
max.
8
±
0.1
6.7
max.
0.6
37
±
3
5.5
min.
M4
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