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PDF 232269190001 Data sheet ( Hoja de datos )
| Número de pieza | 232269190001 | |
| Descripción | Humidity Sensor | |
| Fabricantes | Vishay Siliconix | |
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2322 691 90001
Vishay BCcomponents
Humidity Sensor
QUICK REFERENCE DATA
PARAMETER
Humidity range (RH)
Capacitance at +25 °C; 43% RH; 100 kHz
Tan δ at +25 °C; 100 kHz; 43% RH
Sensitivity between 12 and 75% RH
Frequency
Temperature dependence
Response time in minutes
(to 90% of indicated RH change at
+25 °C, in circulating air):
between 10 and 43% RH
between 43 and 90% RH
Hysteresis (for RH excursion of
10 to 90 to 10%)
Maximum AC or DC voltage
Storage humidity range (RH)
Ambient temperature range:
operating
storage
Drop test:
height of free fall
Mass
VALUE
10 to 90
122 ±15%
≤0.035
0.4 ±0.05
1 to 1000
0.1
<3
<5
≈3
15
0 to 100
0 to +85
−25 to +8
1
≈1.3
UNIT
%
PF
PF/%R
kHz
%RH/K
%
V
%
°C
°C
M
G
Note
Unless otherwise stated, measurements are in accordance with
“IEC publication 60539”.
Stability is in accordance with “CECC 43000” and “IEC 60068-2”.
DIMENSIONS in millimeters
15.5 0.5
APPLICATIONS
• Humidity measurements in electronic hygrometers for
domestic use
• Self-regulating air humidifiers, etc.
DESCRIPTION
This capacitive atmospheric humidity sensor consists of a
non-conductive foil, which is covered on both sides with a
layer of gold. The dielectric constant of the foil changes as a
function of the relative humidity of the ambient atmosphere
and, accordingly, the capacitance value of the sensor is a
measure for relative humidity. The foil is clamped between
contact springs and assembled in a plastic housing. It is
provided with two connecting pins which fit printed-circuit
boards with a grid pitch of 2.54 mm, provision is also made
for fastening with 3 mm bolts. The characteristics are not
affected by incidental water condensation on the sensor foil.
It should not be exposed to either acetone or chlorine
vapours.
MOUNTING
The device can be soldered directly on to a printed-circuit
board or fastened with 3 mm bolts.
SOLDERING
Solderability: ≤240 °C; ≤4 s.
Resistance to heat: ≤240 °C; ≤4 s.
ROBUSTNESS OF TERMINATIONS
Tensile strength: 10 N.
ELECTRICAL CHARACTERISTICS
150
C
(pF)
140
MEA832
130
23.0
0.5
3
17.0 11.5
0.5 0.5
www.vishay.com
66
1.15 max
5.08
3.1 0.1
5.0 0.5
120
110
0
50
RH (%)
100
Typical capacitance as a function of relative humidity.
Component outline.
MBD125
For technical questions contact: [email protected]
Document Number: 29001
Revision: 10-Oct-03
1 page | ||
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