Reference only

P.2 /15

MURATA MANUFACTURING CO., LTD

SPECIFICATION for TRANSDUCER

Part Number: PKGS-00LDP1-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-00LDP1-R

2-2 Customer Part Number

:

2-3 Customer Drawing Number :

3. Outline Drawing and Dimensions

3-1

Appearance

: As per paragraph 10.Appearance criteria.

3-2

Dimensions

: See Figure 2.

3-3

Construction

: A piezo ceramic element is stuck between two ceramic substrate.

4. Characteristics

(

∗ Temperature 25±3°C, unless otherwise noted)

Parameter

Test Condition

Min.

Typ.

Max.

Units

Note

4-1 Electric Charge

Sensitivity

1kHz, 98.1m/s

in the direction of D axis at Fig.1

-15

%

85.7

{0.840}

+15

%

fC/(m/s

{pC/G}

1,2,5

4-2 Insulation

Resistance

10V DC, after 1 min.

500

10000

M

Ω

4-3 Non-Linearity

% of the Full-Scale output at 490

m/s

±50G

1

%

5

%

4-4 Resonance

Frequency

17

20

kHz

3

4-5 Inclined Angle of

Sensitivity Axis

Maximum deviation

from initial value at +25

°C.

-3

0

+3

Degree

4-6

Electric Charge

Sensitivity

Temperature Drift

Maximum deviation

from initial value at

+25

°C

Ta:70

°C

0

%

+4

%

+10

%

Ta:0

°C

-5

%

-2.5

%

0

%

4-7 Capacitance

1Vrms,1kHz

-30

%

770

+30

%

pF

Ref.

<reference Only>

Voltage Sensitivity

1kHz, 98.1m/s

direction of D axis at Fig.1

{1.10}

{mV/G}

1,2,4

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. 1[G] = 9.80665 [m/s

3. Resonance frequency of inner bimorph element.

4. Input impedance of measurement circuit is 10 M

Ω(Zi), and amplified gain is 0 dB.

5. f (femto)= 10

-15