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Silicon Piezoresistive
Relative Pressure Sensor
Features
• Low pressure and temperature hysteresis
• Fast response
• High sensitivity and linearity
• Fatigue free monocrystaline silicon diaphragm
giving high load cycle stability
• High long term stability
• Pressure coupled to rearside of silicon diaphragm
• Built in silicon temperature sensor
KPY 41-R
KPY 46-R
TO-8-4
Type and
Symbol Pressure Range Unit Ordering Code
Marking
KPY 41 R
P
… P
0
0 … 0.25 bar Q62705-K159
N
KPY 42 R 0 … 0.6 Q62705-K160
KPY 43 R 0 … 1.6 Q62705-K161
KPY 44 R 0 … 4 Q62705-K163
KPY 45 R 0 … 10 Q62705-K165
KPY 46 R 0 … 25 Q62705-K167
Pin Configuration
1 Capillary tube
2+
3 − V
V
IN
OUT
4 Temperature sensor
(typ.
R
= 2 kΩ)
25
5 Temperature sensor
6 −
7+V
V
IN
OUT
8 Not connected
Semiconductor Group 1 02.97
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KPY 41-R
KPY 46-R
Absolute Maximum Ratings
Parameter Symbol Limit Value Unit
Pressure overload
Operating temperature range
Storage temperature range
Supply voltage
KPY 41 R
KPY 42 R
KPY 43 R
KPY 44 R
KPY 45 R
KPY 46 R
P
T
T
V
MAX
A
stg
IN
2
6
10
16
30
40
− 40 …+ 125 ˚C
− 50 …+ 150 ˚C
12 V
bar
Electrical Characteristics
at
T
= 25 ˚C and VIN = 5 V, unless otherwise specified.
A
Parameter Symbol Limit Values Unit
min. typ. max.
Bridge resistance
Sensitivity
KPY 41 R
KPY 42 R
KPY 43 R
KPY 44 R
KPY 45 R
KPY 46 R
R
s
B
4 − 8kΩ
mV/Vbar
16.8
11.0
5.6
4.0
1.8
0.88
24.0
15.0
8.8
6.0
2.6
1.2
32.0
24.0
12.5
9.0
4.0
2.0
Output voltage
V
KPY 41 R
KPY 42 R
KPY 43 R
KPY 44 R
KPY 45 R
KPY 46 R
Offset voltage
P = P
0
Linearity error (Best fit straight line)
P
= P0… P
0
N
KPY 41 … 45 R
V
F
KPY 46 R
Pressure hysteresis
P
= P0, P2 = PN,
1
P
= P
3
0
Semiconductor Group 2
KPY 41 … 46 R
P
fin
0
L
H
21
33
45
80
90
110
30
45
70
120
130
150
40
72
100
180
200
250
− 25 −+ 25
−± 0.15
± 0.15
± 0.35
−
−± 0.1 −
mV
mV
% V
V
%
fin
fin
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KPY 41-R
KPY 46-R
Electrical Characteristics
at
T
= 25 ˚C, T2 = 125 ˚C, T3 = 25 ˚C and VIN = 5 V, unless otherwise specified.
1
Parameter Symbol Limit Values Unit
min. typ. max.
Temperature coefficient of
KPY 41 R
KPY 42 R
KPY 43 R
KPY 44 R
KPY 45 R
KPY 46 R
Temperature coefficient of
KPY 41 R
KPY 42 R
KPY 43 R
KPY 44 R
KPY 45 R
KPY 46 R
Temperature coefficient of
KPY 41 … 46 R
Temperature hysteresis of
KPY 41 R
KPY 42 R
KPY 43 … 46 R
V
V
R
V
fin
0
B
0
; V
fin
TC
TC
TC
TH
Vfin
V0
RB
− 0.19
− 0.19
− 0.19
− 0.19
− 0.19
− 0.19
− 0.05
− 0.05
− 0.03
− 0.03
− 0.03
− 0.03
− 0.13
− 0.15
− 0.16
− 0.17
− 0.17
− 0.17
−
−
−
−
−
−
−+ 0.095 −
− 0.7
− 0.5
− 0.3
−
−
−
− 0.09
− 0.12
− 0.13
− 0.14
− 0.14
− 0.15
+ 0.05
+ 0.05
+ 0.03
+ 0.03
+ 0.03
+ 0.03
+ 0.7
+ 0.5
+ 0.3
%/K
%/K
%/K
% v.
V
fin
Package Outline
TO-8-4
Weight approx. 3.2 g
Exterior Packaging
I.e. tubes, trays, boxes are shown in our Data Book “Package Information”.
Semiconductor Group 3
Dimensions in mm
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