26PC SMT Series
(mbar)
Temp. compensated and calibrated pressure sensors
FEATURES
· 0...50 mbar to 0...1 bar
gage or differential
· High impedance bridge
· True surface mount miniature package
· Usable for wet/wet applications
8
SERVICE
All media compatible with
port 1:
- polyphtalamide
- silver-filled silicone
- silicon nitride
- polyphtalamide
- fluor-silicone
- silicon
Scale:
1 cm
1/2 inch
port 2:
SPECIFICATIONS
Maximum ratings
Supply voltage
Temperature limits
Storage
Operating
Lead temperature (10 sec. soldering)
Humidity limits
Vibration (MIL-STD-202,
Meth. 213)
16 V
ELECTRICAL CONNECTION
-55 to +100°C
-40 to +85°C
260°C
0...100 %RH
Vs
1
4
-
Output
150 g half sine 11 ms
150 g
2
3
+
Mechanical shock (qualification tested)
Proof pressure
1
all 50, 100, 250 mbar devices
1 bar devices
1.4 bar
3.0 bar
June 2005 / 598
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www.sensortechnics.com
26PC SMT Series
(mbar)
Temp. compensated and calibrated pressure sensors
PRESSURE SENSOR CHARACTERISTICS
V
s
= 10.0 ± 0.01 V, t
amb
= 20°C (unless otherwise noted)
Part number
26PC0050DSMT
26PC0100DSMT
26PC0250DSMT
26PC01K0DSMT
Operating pressure
0 - 50 mbar
0 - 100 mbar
0 - 250 mbar
0 - 1000 mbar
Full-scale span (P2 > P1)
2
Min.
Typ.
Max
.
10.6 mV
21 mV
34 mV
93 mV
12.1 mV
24 mV
36 mV
97 mV
13.6 mV
27 mV
38.5 mV
101 mV
Sensitivity typ.
242 µV/mbar
242 µV/mbar
145 µV/mbar
97 µV/mbar
COMMON PERFORMANCE CHARACTERISTICS
V
s
= 10.0 ± 0.01 V, t
amb
= 25°C (unless otherwise noted)
Characteristics
Zero pressure offset
Temperature effects (0 - 50°C)
4
Offset
Span
Min.
-2
26PC0050DSMT
26PC0100DSMT
26PC0250DSMT
26PC01K0DSMT
26PC0050DSMT
26PC0100DSMT
26PC0250DSMT
26PC01K0DSMT
Typ.
Max.
+2
±1.0
±4.5
±4.5
±1.7
±1.5
±1.6
±1.75
±1.0
±1.0
Unit
mV
Linearity (P2 > P1, BSL)
3
Repeatability and hysteresis
5
Long term stability
7
Input impedance
Output impedance
Response time
6
5.5
1.5
±1.5
±1.5
±1.0
±0.75
±0.4
±0.5
±0.3
±0.5
±0.2
±0.5
7.5
2.5
% sp a n
11.5
3.0
1.0
kΩ
ms
Specification notes:
1.
The maximum specified pressure which may be applied to the sensor without causing a permanent change in the output
characteristics.
2.
Span is the algebraic difference between the output voltage at full-scale pressure and the output at zero pressure. Span is
ratiometric to the supply voltage.
3.
Linearity (BSL), the deviation of measured output at constant temperature (25°C) from "Best Straight Line" determined by three
points, offset pressure, full-scale pressure and half full-scale pressure.
V
- V
offset
[
V
½ full scale
–
{
(full
full scale
pressure)
scale
x (½ full scale pressure) + V
offset
}]
: 2 (V
full scale
) x 100 %
where: V = measured value for each device
4.
Error band of the offset voltage, and span in the specified temperature range, relative to the 25°C reading.
5.
Repeatability, the deviation in output readings for successive application of any given input pressure (all other conditions
remaining constant. Hysteresis, the error defined by the deviation in output signal obtained when a specific pressure point is
approached first with increasing pressure, then with decreasing pressure or vice versa (all other conditions remaining constant).
6.
Response time for 0 to full-scale pressure step change, readings taken at 10 % and 90 % of full-scale pressure.
7.
Long term stability of offset and span over a period over one year.
8.
The sensors might be used on both ports, for media compatible with the components, specified under "Service" (page 1).
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June 2005 / 598
www.sensortechnics.com
26PC SMT Series
(mbar)
Temp. compensated and calibrated pressure sensors
SUGGESTED LAND PATTERN
dimensions in mm (inches)
ORDERING INFORMATION
2
26PC series
compensated
6
PC
xxxx
D
SMT
SMT package
Differential pressure
0050:
0100:
0250:
01K0:
Pressure range
0 - 50 mbar
0 - 100 mbar
0 - 250 mbar
0 - 1000 mbar
Sensortechnics reserves the right to make changes to any products herein. Sensortechnics does not assume any liability arising out of the
application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others.
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June 2005 / 598
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