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Bimorph Pickup
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PIEZOELECTRIC CERAMIC BIMORPH

By bonding two piezoelectric ceramic panels together and applying an AC voltage to them, alternately one element elongates while the other contracts causing curved vibrations to take place. Conversely by bending it AC voltage can be extracted. This is called a Bimorph Armature and it possesses frequency characteristics in the audible range. It can be used as an phonograph record pickup, microphone, vibration sensor, ultrasonic remote control etc..

Distinctive Features

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High Quality
Stringently selected materials assure high sensitivity with little deviation

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Wide Variation
Technology permits choice of a wide range of static capacity, dimension and resonant frequency.

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Mechanically Sturdy
Appropriate elastic panel is inserted at joints making a strong mechanical assembly

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High Reliability
Excellent temperature and humidity characteristics guarantee reliable operation.

 

STANDARD COMPONENTS

Dimensions (mm)
L X W X T

Electrostatic
Capacity (pF)

Characteristics

Construction

Main Applications

15 X 1.5 X 0.6

750 Popular type, high sensitivity Series type Record pickup
Various: microphones
Speakers
Vibration pickup
1000
2000 High Capacity
4000 High Capacity wide band Parallel type
7000

12.7 X 1.6 X 0.65

550 High Sensitivity compact size Series type
850
1700 High Capacity

7.7 X 7.7 X 0.7

1200 High Sensitivity Series type Ultrasonic remote control

9 X 9 X 0.6

2000 Wide band

For other custom sizes consult with Fuji & Co. Select our information request form at the top of the page for fast response to your inquiry.

SPECIFICATIONS

 
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Series Type
Electrically series-connected high sensitivity type, with static capacity range of 300 to 2500 pF.

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Parallel Type
Electrically parallel-connected large capacity type, with static capacity range of 3000 to 7000 pF.

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(+) Polarity
When excited, plus sine-wave AC electromotive force ( 0-phase) is generated.

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(-) Polarity
When excited, minus sine-wave AC electromotive force ( pi-phase) is generated.

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Polarity Identification
Polarity is indicated by a color code.

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Lead Terminal
Specify whether lead (ribbon) is needed or not.

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Moisture-Proof Coating
Specify if moisture-proof coating is to be provided.

Quality Standards

Specify these items when ordering

bulletOutput Sensitivity
Tolerance +/-3dB @ 1kHz.
bulletElectrostatic Capacity
Nominal value +/-20% @ 1kHz.
bulletInsulation Resistance
>50 M ohms @ 50 V DC
bulletWithstanding Voltage
100 V DC series type
50 V DC parallel type
bulletAmbient Temperature
-10 to + 60 C
bulletWithstanding Humidity
90% @ 40 C
bulletTransverse Breaking Strength
Center load of 3N over 10 mm span
bulletDimensions
L 0.2, W +/-0.1, T +/-0.005 mm
not including coating
bulletDimension
Length, Width, Thickness
bulletCharacteristics
Electrostatic capacity, needed
sensitivity
bulletPolarities
for monaural or stereo
bulletSpecifications
Lead terminal
Moisture proofing yes/no
bulletOther related items

 

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Last modified: October 25, 2009