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SEMICONDUCTOR
TECHNICAL DATA
KPF500G02A ~ KPF102G02A
Semiconductor Pressure Sensor
FEATURES
Broad Pressure Range : 50~1,000kPa.
High Sensitivity, Excellent Linearity.
Highly Stable in Temperature Change.
APPLICATIONS
Medical Deivces.
Industrial Instrumentations.
Pressure Switch, Water Height Control, Pneumatic Devices etc.
Home Appliances.
MODEL NUMBER FOR ORDERING
KP F 000 G 00 A
Silicon Pressure Sensor
Package Pin Configuration
No Mark : Standard
A : Type 1
ON/OFF Chip
N:ON Chip (Amplified)
F:OFF Chip (Not Amplified)
Rated Pressure
123 12 103=12,000kPa
Measuring Pressure
A : Absolute Pressure
D : Differential Pressure
G : Gage Pressure
Package Type
00 : Die
01~ : Package Series
PIP2
MAXIMUM RATING
ITEM
SPEC.
UNIT
Model No.
Classification
Rated Pressure
Measurable Pressure Range
Maximum Pressure Load
Bridge Impedance
Operating Temperature
KPF500G02A KPF101G02A KPF201G02A KPF401G02A KPF601G02A KPF801G02A KPF102G02A
-
500 101 201 401 601
801
102
-
50 100 200 400 600
800
1000
kPa
0.51 1.02 2.04 4.08 6.12
8.16
10.20
kgf/
-50 ~ 50 -100 ~ 100 -100 ~ 200 -100 ~ 400 -100 ~ 600 -100 ~ 800 -100 ~ 1000
kPa
Twice of Rated Pressure
1.5 Times of Reated Pressure kPa(kgf/ )
3000 ~ 6000
-20 ~ 100
Storage Temperature
-40 ~ 120
ELECTRICAL CHARACTERISTICS
ITEM
SPEC.
Classification
500 101 201 401 601 801
Test Condition
Compensational Temperature Range
Operating Input Current 1.5 constant, Ambient Temperature Ta=25
0 ~ 50
Full Scale Voltage
60 ~ 140
Offset Voltage
20
Linearity
Pressure Hysteresis
Mechanical Response Time
0.3
0.5
2
Temperature Coefficient Of Offset (TCO)
5.0
Temperature Coefficient Of Sensitivity (TCS)
2.5
Comment) 1. Operating humidity 25~80%RH. (unless otherwise noted)
2. Please, consult us when you use any other pressure media except air.
102
UNIT
-
-
mV
mV
%FS
%FS
msec
%FS
%FS
2007. 6. 15
Revision No : 2
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KPF500G02A ~ KPF102G02A
RELIABILITY TEST
Life Test
Environment Test
Mechanical Test
ITEMS
High Temp. Storage
Low Temp. Storage
Steady State Operating
Low Temp. Operating
High Temp. Operating
Temperature / Humidity Operating
Heat Resistance
Temp. Cycle
Vibration
Drop
Lead Fatigue
Solderability
TEST CONDITIONS
120 , 1000hrs
-40 , 1000hrs
25 5 , 1 million times, Rated Pressure
-20 , 1 million times, Rated Pressure
100 , 1 million times, Rated Pressure
40 , 90%RH, 1 million times, Rated Voltage
260 , 10 seconds
-40 ~120 , 30minutes/1Cycle, 100Cycles
Amplitude : 1.5mm, Frequency : 10~55Hz,
X, Y, Z(3-directions), 2 hrs each direction
75cm height, 2 times
Tensile Strength : 9.8N(1kgf), 10seconds
Bending Strength : 4.9N(0.5kgf), Right/Left 90 , 1time
230 , 5 seconds
CHARACTERISTIC GRAPHS
1. Full Scale Voltage Characteristics
2. Temperature Coefficient of Offset (TCO)
Operating Input Current : 1.5mA, Temperature : 25 C
Operating Input Current : 1.5mA, Spec. : +_ 5.0 %FS
120
100
80
60
40
20
0
-20
0
1/2Pr
Rated Pressure (kPa)
Pr
5.0
4.0
3.0
2.0
1.0
0
-1.0
-2.0
-3.0
-4.0
-5.0
0
25
Temperature ( C)
50
3. Temperature Coefficient of Sensitivity (TCS)
Operating Input Current : 1.5mA, Spec. : +_ 2.5%FS
2.5
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
0
25
Temperature ( C)
50
4. High Temperature continuous Operating Test
100°C, 1 million times : After testing, offset and full scale voltage variation is very small.
Offset Voltage Variation
3
2
1
0
-1
-2
-3
0
500,000
1,000,000
Pressure Cycle
Full Scale Voltage Variation
3
2
1
0
-1
-2
-3
0
500,000
1,000,000
Pressure Cycle
2007. 6. 15
Revision No : 2
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KPF500G02A ~ KPF102G02A
PACKAGE DIMENSIONS AND PC BOARD PATTERN (Unit :mm)
Pressure Inlet Φ1.1
7.2
7.2
0.25+_ 0.1
0.41
9.5+_ 1.5
Φ4
Φ2.5
2.5 +_ 0.25
R 0.2
R 0.5
2.9
2.5+_ 0.25
0.5+_ 0.1
4
5
3.5
0.8 1.75
Logo
1
Model No
2
Lot No
3
6
5
Remark
4
Pin Hole
Pressure Port Hole
7.5
0.9 dia
2.5
2.5
5 dia
PIN CONFIGURATION
Terminal No. Meaning
1 (-)Output
2 (+)Input
3 (+)Output
4 Open
5 (-)Input
6 (-)Output
i = 1.5mA
Constant
current
source
2
R2
3
R3
5
R1
1
6
R4
+
V
-
2007. 6. 15
Revision No : 2
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KPF500G02A ~ KPF102G02A
Note
1. Mounting on printed circuit boards
When mounting a transistor on a printed circuit, it is assumed that
lead wires will be processed or reformed due to space limitation or
relations with other components. Even if no such special
processing reforming is conducted exercise care on the following
points :
(a) Make the spaces of lead wire inserting holes on the printed
circuit board the same as those of lead wires on a transistor.
(b) Even if The spaces are not the same, do not pull the lead
wires or push heavily against the sensor element.
(c) Use a spacer for form a lead maintain space between a sensor
and a printed circuit board, rather than closely contacting
them with each other.
(d) When forming a lead prior to mounting onto a board
- Bend the lead at a point 3mm or more apart from the
body(Lead root).
- Bend one lead wire after securing the other lead wire. (near
the main body)
- Keep space between the sensor main body and and a fixing
jig.
- When bending the lead along the jig, be careful not to
damage it with an edge of the jig.
- Follow other precautions described in respective standard
(e) When mounting a sensor onto a heat sink
- Use the specified accessory.
- Drill threaded holes on the heat kink as per specifications
and keep the surface free from burrs and undulations.
- Use KEC’s recommended silicon grease.
- Tighten the screw within the specified torque.
- Never apply a pneumatic screwdriver to a transistor main
body.
(f) Do not bend or stretch the lead wires repeatedly.
When pulling in the axial directions, apply 500g or 600g
power, depending on the shapes of lead wires.
2. Soldering
When soldering a sensor to a printed circuit board, the soldering
temperature is usually so high that it adversely affects the sensor.
Normally, tests are conducted at a soldering temperature of 265
for 10 seconds or 300 for 3 seconds. Be sure to complete
soldering procedures under these conditions of temperature and
time.
Be careful to select a type of flux that will neither corrode the
lead wires nor affect the electrical characteristics of a sensor.
The basic precautions for soldering procedures are as follows :
(a) Complete soldering procedures in a time as short as possible.
(b) Do not apply stress to a sensor after soldering by correcting
or modifying its location or direction.
(c) For a sensor employing a heat sink, mount it on the heat sink
first: then solder this unit to a printed circuit board after
confirming that it is fully secured.
(d) Do not directly solder the heat-radiating portion of a sensor
to a printed circuit board.
(e) In flow solder jobs, sensors are apt to float on the solder due
to solder surface tension. When adjusting the locations of
sensor, be careful not to apply excessive stress to the roots of
the sensor lead wires.
(f) When using a soldering iron select those which have less
leakage, and be sure to ground the soldering iron.
3. Cleaning a circuit board
After soldering, circuit boards must be cleaned to remove flux.
Observe the following precautions while cleaning them
(a) When cleaning circuit boards to remove flux, make sure that
no residual reactive ions such as Na or Cl ions remain. Note
that organic solvents react with water to generate hydrogen
chloride and other corrosive gases which can degrade device
performance.
(b) Do not rub the indication marks with a brush or ones fingers
when cleaning or while a cleaning agent is applied to the
markings.
(c) There are ultrasonic wave cleaning methods which offer a
high cleaning effect within a short time. Since there methods
involve a complicated combination of factors such as the
cleaning bath size, ultrasonic wave vibrator output, and
printed circuit board mounting method, there is fear that the
service life of airtight seal-type sensors may be extremely
shortened. Therefore, as far as possible avoid using the
ultrasonic wave cleaning method.
- Basic requirements of ultrasonic wave cleaning method.
Frequency : 27~29kHz
Output : 300W or less (300W/ or less)
Recommended solvents : Refer to details above
Cleaning time : 30seconds or less
Application circuit
The Pressure sensor is designed to convert a voltage by means of
constant current drive and then, if nesessary, it amplifies the
voltage for use. The circuit shown below is a typical example of a
circuit in which the pressure sensor is used.
Constant Current
Circuit Unit
Pressure
Sensor
Amplifier Circuit Unit
OP
AMP
OP
AMP
OP
AMP
2007. 6. 15
Revision No : 2
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