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EFRTUB40K5 Datasheet

Ultrasonic Ceramic Sensors

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Ultrasonic Ceramic Sensors
Ultrasonic Ceramic Sensor consisting of a disc type/a
bimorph type piezoelectric ceramic vibrator is a sensor
for transmitting and receiving ultrasonic wave in the air.
omn Features
.cl High output S.P.L.: 130 dB min. (Ex. EFRTGB38K1)
l High sensitivity: Ð45 dB min. (Ex. EFRRUB40K5)
l Excellent temperature and humidity durability
Ul Small in size
t4n Precautions for Safety (See Page 231)
een Explanation of Part Numbers
n Recommended Applications
Ultrasonic wave transmitter and receiver for;
l Proximity switch for burglar alarm system, parking
meter and automatic door opener
l Remote control equipment for such as air conditioner
and garage door opener
l Detection of objects.
l Back alarm system for automobiles and distance
meter.
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Panasonic Electronic Components Datasheet

EFRTUB40K5 Datasheet

Ultrasonic Ceramic Sensors

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Ultrasonic Ceramic Sensors
n Ratings and Characteristics
Type
Part No.
EFRRUB40K5
Item
Nominal Frequency
(kHz)
40.0
Sensitivity
(dB)]
Ð45 min.
Sound Pressure Level
(dB)]]
Ñ
Standard Type
EFRTUB40K5 EFRRUB25K5
40.0 25.0
Ñ Ð45 min.
112 min.
Ñ
EFRTUB25K5
25.0
Ñ
105 min.
Bandwidth
(kHz)
4.0 min.
4.0 min.
2.5 min.
2.5 min.
Application
Receiver
Transmitter
Receiver
Transmitter
Maximum Input Voltage
(Vrms)
Ñ
20
Ñ
20
Operating Temperature Range
(ûC)
Ð20 to 60
Item
Nominal Frequency
Sensitivity
Sound Pressure Level
Type
Compact Type
Part No.
EFRRHB40K5 EFRTHB40K5
Temperature Stable Type
EFRRSB40K5 EFRTSB40K5
(kHz)
(dB)]
(dB)]]
40.0
Ð47 min.
Ñ
40.0
Ñ
110 min.
40.0
Ð50 min.
Ñ
40.0
Ñ
105 min.
Bandwidth
(kHz)
4.0 min.
4.0 min.
4.0 min.
4.0 min.
Application
Receiver
Transmitter
Receiver
Transmitter
Maximum Input Voltage
(Vrms)
Ñ
20
Ñ
20
Operating Temperature Range
(ûC)
Ð20 to 60
Ð40 to 100
Item
Nominal Frequency
Sensitivity
Sound Pressure Level
Bandwidth
Type
Enclosed Type
Part No.
EFRRQB40K5 EFRTQB40K5
High Power Type
EFRRGB38K1 EFRTGB38K1
(kHz)
(dB)]
(dB)]]
(kHz)
40.0
Ð55 min.
Ñ
1.0 min.
40.0
Ñ
105 min.
1.0 min.
38.0
Ð55 min.
Ñ
1.0 min.
38.0
Ñ
130 min.
(at 200 Vp-p)
1.0 min.
Application
Receiver
Transmitter
Receiver
Transmitter
Maximum Input Voltage
(Vrms)
Ñ
20
Ñ
200 Vp-p
2 ms ON, 200 ms period
Operating Temperature Range
(ûC)
Ð20 to 60
Ð20 to 60
] 0 dB=1 V/Pa
]] 0 dB=2´10Ð5 Pa
note: Combiend use Type Please contact us for more information.


Part Number EFRTUB40K5
Description Ultrasonic Ceramic Sensors
Maker Panasonic
Total Page 5 Pages
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