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參數資料
| 型號： | 232264090004 |
| 廠商： | Vishay Intertechnology,Inc. |
| 元件分類： | 熱敏電阻 |
| 英文描述： | NTC Thermistors, Molded Range |
| 中文描述： | NTC熱敏電阻，模壓范圍 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 69K |
| 代理商： | 232264090004 |
NTC Thermistors, Molded Range
2322 640 90004/98004
Vishay BCcomponents
www.vishay.com
132
For technical questions contact: nlr.europe@vishay.com
Document Number: 29067
Revision: 10-Oct-03
FEATURES
Designed for harsh environments
Excellent for surface temperature measurement
Metal strip for heat conduction and easy mounting
(2322 640 98004)
High accuracy at 100
°
C
Minimum 350 V dielectric withstanding voltage
APPLICATIONS
High temperature measurement control:
DESCRIPTION
Molded chip thermistor with negative temperature control
and two solid tinned nickel leads. The body color is white and
the device is non-flammable.
The thermistor 2322 640 98004 is provided with a metal strip
for mounting.
QUICK REFERENCE DATA
Notes
1.
Measurements made in still air with the thermistor mounted on a
heatsink of 100 cm
2
, thickness 1.5 mm, connected between
phosphor-bronze wires (
1.3 mm).
2.
The thermistor being transferred from ambient air of +25
silicone oil (MS200/50) bath of 85
°
C to a
°
C.
PARAMETER
VALUE
2322 640
90004
2322 640
98004
Resistance value at:
+25
°
C
12 k
+100
°
C
950
Tolerance on R
25
-value:
+25
°
C
±
7%
+100
°
C
±
5%
B
25/85
Temperature coef
fi
cient
-value
3750 K
4.2%/K
Maximum dissipation
0.25 W
Dissipation factor
7 mW/K
9.5 mW/K
when mounted on a heatsink; note 1
19 mW/K
27 mW/K
Thermal time constant
19 s
33 s
when mounted on a heatsink; note 2
10 s
5 s
Heat capacity of ceramic (in air)
0.028 J/K
0.028 J/K
when mounted on a heatsink
0.13 J/K
0.3 J/K
Response time; note 2
3 s
Operating temperature range:
at zero dissipation
10 to +125
°
C
at maximum dissipation
0 to +55
°
C
Dielectric withstanding voltage
(RMS) between terminals and
coating
min. 350 V
Insulation resistance between
terminals and coating at 100 V (DC)
min. 100 M
Mass
≈
0.3 g
≈
0.5 g
DIMENSIONS
in millimeters
Component outline 2322 640 90004.
±
±
±
±
±
±
±
±
±
±
±
±
MARKING
The thermistors are marked with a grey dot.
MOUNTING
2322 640 90004: by soldering in any position
2322 640 98004: by means of the mounting strip.
PACKAGING
The thermistors are packed in cardboard boxes:
2322 640 90004: 500 units
2322 640 98004: 400 units.
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