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Piezo Ultrasonic Sensor - T/R55.5-15.5E279Z-L19-01

? Resonant frequency: 55.5±1.0KHz
? Sensitivity: 480-1000μS
? Directivity(deg) X-axis: 90 ± 15 (Typical)?
? Directivity(deg) Y-axis: 45 ± 10 (Typical)?
? Capacitance: 1300pF ± 20%
? Operating temperature?: -40 ℃ ~ +85 ℃?
? ?Storage temperature?: -40 ℃ ~ +85 ℃?

Model Number: T/R55.5-15.5E279Z-L19-01
Data Sheet:

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Product Specification

T/R55.5-15.5E279Z-L19-01 Piezo Ultrasonic Sensor Summary
UPA ultrasonic sensor is the core component of Parking System. It uses ultrasound to measure the distance between the vehicle and the front and rear obstructions.

T/R55.5-15.5E279Z-L19-01 Piezo Ultrasonic Sensor Applications
? Parking assist system
? Blind zone detection

T/R55.5-15.5E279Z-L19-01 Piezo Ultrasonic Sensor Electrical Specifications

Resonant frequency	55.5±1.0KHz
Sensitivity	480-1000μS
Decay time	≤2.20ms at +25℃ ≤2.60ms at -40 to +85℃
Directivity(deg) X-axis	90±15 (Typical)
Directivity(deg) Y-axis	45±10 (Typical)
Capacitance	1300pF ± 20%
Max.input volt	160 Vp-p at -40 to +25℃ 120 Vp-p at +25 to +85℃
Operating temperature	-40 ℃ ~ +85 ℃
Storage temperature	-40 ℃ ~ +85 ℃
Insulation Resistance	100 Mohm min.
Mean time to failure	50000 H