Reference only
Product Specification for Reference Only
Issued Date:
Nov. 1, 2010
Rev. :
Part Description:
SHOCK
SENSOR
MURATA Part No.:
PKGS-00GXP1-R
The product specification in this sheet is for reference only.
The contents of this specification are subject to change.
You are requested to receive the latest specification and to return one
copy of the specification to us with your receipt signature before going
into mass production.
Product engineering section
Sensor Products Department
Sensor Products Division
Murata MFG. Co.,Ltd.
Approved by
Issued by
Issued Date
Drawing No.
H. Kita
T. Kawamoto
Nov. 1, 2010
Reference only
P.1 /15
Reference only
P.2 /15
SPECIFICATION for TRANSDUCER
Part Number : PKGS-00GXP1-R
1. Scope
This product specification is applied to surface mountable acceleration sensors used for hard
disk drive in a personal computer. Please contact us before using any of the products in the
applications not described above.
2. Part Number
2-1 Murata Part Number
:PKGS-00GXP1-R
2-2 Customer Part Number
:
2-3 Customer Drawing Number :
3. Dimensions
3-1 Appearance
3-2 Dimensions
3-3 Construction
: As per paragraph 10.Appearance criteria.
: See Figure 2.
: A piezo ceramic element is stuck between two ceramic substrate.
4. Characteristics
(* Temperature 253C, unless otherwise noted.)
Parameter
Test Conditions
4-4
4-5
4-6
Typ.
1kHz, 98.1m/s (10G) applied in
15%
35.7
the direction of D axis at Fig.1
(0.350)
Insulation Resistance : Ri 10V DC, after 1 min.
500
10000
Non-Linearity
% of the Full-Scale output at
1%
2
490m/s (50G). Range : 50G
Resonance Frequency
26
31
Inclined Angle of
3
0
Sensitivity Axis
Temperature Drift
Maximum deviation
70C 0.5% 3.0%
of Charge Sensitivity
from initial value at +25C.
4-1 Charge Sensitivity
4-2
4-3
Min.
2
0C 4.0%
4-7 Capacitance : Co
1Vrms, 1kHz
30%
Max.
+15%
Units
Note
2
fC/(m/s ) 1, 2,
(pC/G) 4
M
5%
36
kHz
3
Degree
6.5%
2.0%
0.5%
390
+30%
pF
Note:
1. As measured with an applied acceleration in the direction of D at figure 1. In this case, positive
voltage and electrical charge are generated at electrode B.
2
2. 1G = 9.80665m/s
3. Resonance frequency of inner bimorph element.
-15
4. f = 10
MURATA MANUFACTURING CO., LTD
3
Reference only
P.3 /15
Z
Y
D
01
Electrode A
X
Polarity marking
Electrode B
Figure 1.
Axis D : This axis is an acceleration applied direction, when electric charge sensitivity is checked.
5. Standard land pattern
2.0
Land pattern
1.4
2.0
1.4
Unit : mm
6. Absolute Rating
Apply voltage between electrode A and B
Storage temperature range
Operating temperature range
: 10 Vp-p within 60 sec. max.
: -40 to 85 C
: -40 to 85 C
MURATA MANUFACTURING CO., LTD
Reference only
P.4 /15
7. Physical Characteristics
Test Item
Condition of Test
Performance Requirements
7-1 Mechanical
Shock
The transducer shall be measured after being No visible damage and the
applied three impacts in plus and minus measured values shall meet
directions of three mutually perpendicular planes. Table 2
2
The shock is specified as 29400m/s (3000G)
half sine pulse of 0.3 ms duration.
7-2 Vibration
The transducer shall be measured after being
applied vibration of amplitude of 1.5 mm with 10
to 55 Hz band of vibration frequency to each of 3
perpendicular directions for 2 hours.
( 5 minutes 24 cycles )
7-3 Bend Strength The transducer is soldered onto the center of No visible damage and the
PCB
PCB (1.6 mm thickness) which is laid on the 2 measured values shall meet
small supporters spaced 90 mm.
Table 3
PCB is deflected to 1 mm below from horizontal
level by the pressing force with 20 10. R10
stick. The force is supplied for 1 second, 5 times
repeatably.
Stick
20 10
Load
PCB
Deflection
5 Supporter
Part
45
1 Off-Center
45
1
R10
Unit: mm
7-4 Resistance to The transducer shall be mounted on PCB, then No visible damage and the
Reflow
measured after being applied following reflow measured values shall meet
Soldering
conditions.
Table 2
Pre-heating :
60 to 150 sec. at 150 to 180 C
Heating :
Within 60 sec. at 200 C (or more)
Within 30 sec. at 250 C (or more)
Peak Temperature:
Within 10 sec. at 260 C
Shock sensor should be tested 2 times of this
test flow.
PCB size : 115 80 0.8 mm
After being placed at ambient conditions for 8
hours, the transducer shall be measured.
7-5 Solderability
End terminals are immersed in rosin for
75% min. end terminals shall
5 seconds then immersed in soldering bath of be wet with solder.
+2305C for 30.5 seconds.
7-6 Washability
See Table 1
MURATA MANUFACTURING CO., LTD
No visible damage and the
measured values shall meet
Table 2
Reference only
P.5 /15
Table 1. Wash
Cleaning
Solvent
Item
Alcohol
(Iso-propanol)
Water
(Tap water,
Demineralized
water)
Cleaning Water
Silicon
Solution
(Techno care FRW)
(Cleanthrough
750H, Pine alpha
100S )
Temperature
Difference:T *1
T100C
[T = Component
- Solvent]
Condition
(1) Ultrasonic
1 minute max. in above solvent at 60C max.
Wash
( Frequency : 28 kHz, Output : 20 W/L )
(2) Immersion
5 minutes max. in above solvent at 60C max.
Wash
(3) Shower or
5 minutes max. in above solvent at 60C max.
Rinse Wash
(4) Drying
1 to 5 minutes. by air blow at 80C max.
*1 ex. In case the component at 90C immerses into cleaning solvent at 60C,
then T = 30C.
Note(Wash)
1.Please insure the component is thoroughly evaluated in your application circuit.
2.The component may be damaged if it is washed with alkali cleaning solvent.
3.Flux should be washed out before use.
MURATA MANUFACTURING CO., LTD
Reference only
P.6 /15
8. Environmental Characteristics
Performance Requirements
Test Item
Condition of Test
8-1 High
After being placed in a thermal chamber with at
Temperature +852C for 1000 hours and then being placed at
ambient conditions for 8 hours, the transducer shall be
measured.
8-2 Low
After being placed in a thermal chamber with at
Temperature -402C for 1000 hours and then being placed at
ambient conditions for 8 hours, the transducer shall be
measured.
8-3 Humidity
After being placed in a humidity chamber with
90 to 95 R.H. at +602C for 500 hours
and the being placed at ambient conditions for
8 hours, the transducer shall be measured.
8-4 Heat Shock
After being kept at room temperature, the transducer
shall be placed in a thermal chamber at temperature of
-40C.
After 30 minutes at this temperature, the transducer
shall be immediately placed in a chamber at
temperature of 85C.
After 30 minutes at this temperature, the transducer
shall be returned to -40C again.
After 250 of the above cycles, the transducer shall be
returned to ambient conditions where it shall remain for
8 hours prior to being measured.
Table 2.
Electric Charge Sensitivity
10 ( from initial value )
Table 3.
Capacitance
10 ( from initial value )
MURATA MANUFACTURING CO., LTD
The measured values shall
meet Table 2
The measured values shall
meet Table 2
The measured values shall
meet Table 2
The measured values shall
meet Table 2
Reference only
9. Dimensions and Indication
Polarity marking
3.8 0.2
0.85 0.3
1.05 0.1
1.4 Min.
2.0 0.2
0.85 0.3
Indication: Indication may lap
over on the electrodes.
Top
Bottom
Electrode A
Electrode B
Unit: mm
0.9 0.3
0.9 0.3
Figure 2. Dimensions
Indication contents
Part number codeG
Monthly codeMonthly code based on EIAJ-0901
Part Number Code
Dot
Monthly Code
MURATA MANUFACTURING CO., LTD
P.7 /15
Reference only
P.8 /15
10. Appearance criteria
10-1. Crack, Chip and Partial lack of electrode
A-part
(Along with long edge)
Electrode
B-part (*1)
(Along with short edge)
Electrode for
Polarity marking
c
d
a
b
Corner
(*1) Any chips which is covered by electrode are judged as good.
If crack or chip exist at corners, apply the above B-part standard.
In case crack or chip reaches internal cavity, it is judged as failure even if length [b], [d] and width
[a], [c] are met this specification.
If there are two or more chips on B part, total length of [d] should be < 1.2mm
Criteria table for A part
Unit [mm]
0.4 < b
0 < b < 0.4
0 < a < 1.2
G
G
1.2 < a
G
NG
Criteria table for B part
0 < c < 0.4
0.4 < c < 1.2
1.2 < c
0 < d < 0.4
G
G
G
0.4 < d < 1.2
G
G
NG
MURATA MANUFACTURING CO., LTD
Unit [mm]
1.2 < d
G
NG
NG
Reference only
10-2. Electrode peeling and delamination
Apply A-part standard to top and bottom electrode including polarity marking.
Apply B-part standard to two-end electrode.
A-part
(Top, bottom,
polarity marking)
d
b
c
a
B-part
(Two-end)
Criteria table for A part
0 < b < 0.4
0.4 < b < 0.85
G
G
G
G
G
NG
0 < a < 0.4
0.4 < a < 1.0
1.0 < a
Unit [mm]
0.85 < b
G
NG
NG
Criteria table for B part
0 < d < 0.4
Unit [mm]
0.4 < d
0 < c < 1.0
G
G
1.0 < c
G
NG
MURATA MANUFACTURING CO., LTD
P.9 /15
Reference only
10-3. Electrode protrude and bridge
Top view
A-part
B-part
Electrode for
Polarity marking
c
h
b
a
Side view
C-part
d
M
[A-part]
If electrode protrude reaches opposite electrode, it should be failure.
The same criteria are applied on the bottom electrode.
Criteria table for A part
Unit [mm]
0.4 < b
0 < b < 0.4
0 < a < 1.2
G
G
1.2 < a
G
NG
[B-part]
Criteria table for B part
Unit [mm]
c
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