Model 12M1B Piezoelectric Accelerometer from Endevco Corporation

The Endevco model 12M1B Picochip™ is a high performance piezoelectric accelerometer packaged as a surface mount chip component. The unit is engineered for integration in standard hybrid or SMT electronics packages along with custom designed signal conditioning circuits, allowing the user to create miniaturized shock and vibration measurement systems in one completely integrated package.

The model 12M1B features Endevco's Piezite type P-8 bimorph sensing element, operating in the bender mode, which provides low base strain sensitivity, low pyroelectric output, and extremely high charge output versus size. Contact to the sensing element is made through two thick film gold metalized mounting pads on the bottom surface of the alumina case. The unit is designed to be mounted with conductive adhesives or solder. Since the model 12M1B is a high impedance piezoelectric device, extreme care must be exercised in shielding it from stray electromagnetic noise.

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