EFRRUB40K5 Datasheet, PDF (4/5 Pages) Panasonic Semiconductor – Ultrasonic Ceramic Sensors

s Typical Characteristics
Frequency Characteristics (Sensitivity)
Ð40
Ð45
Ð50
Ð55
Type U / H
TypeS
TypeQ
35
Ð35
Ð40
Ð45
Ð50
Ð55
40
Frequency (kHz)
45
EFRRUB25K
20
25
Frequency (kHz)
30
Directivity
Type U/H/S
Left
30û
45û
0 dB= Ð41 dB
0û
15û
15û
0
Right
30û
45û
60û
75û
90û
-10
-20
-30
-40
0 Ð10
Ð30
Ð50
Ð30
Ð10 0
Attenuation (dB)
60û
75û
90û
Ultrasonic Ceramic Sensors
Frequency Characteristics (Sound Pressure Level)
115
110
105
100
35
115
110
105
100
95
20
Type U / H
TypeS
TypeQ
40
Frequency (kHz)
45
EFRTUB25K
25
Frequency (kHz)
30
Type Q
Left _30¡
45¡
15¡
0
15¡
0
60¡
75¡
90¡
0 Ð10
Ð10
Ð20
Ð30
Ð40
Ð30
Ð50
Ð30
Attenuation (dB)
30¡ ^Right
45¡
60¡
75¡
Ð10 0
90¡
Characteristic Change vs. Load Resistance
Type U/H/S (40 kHz)
Ð30
Ð35
Ð40
Ð45
Ð50
Ð55
35
Ω 100 k
10 kΩ
Ω 3.9 k
1 kΩ
40
Frequency (kHz)
45
Ð30
Ð35
Ð40
Ð45
Ð50
Ð55
35
Type Q
Ω 100 k
10 kΩ
Ω 3.9 k
1 kΩ
40
Frequency (kHz)
45
Design, Specifications are subject to change without notice.
Ask factory for technical specifications before purchase and/or use.
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
Ð EF75 Ð