MA40S4R Murata, MA40S4R Datasheet - Page 2

• Manufacturer Part Number: MA40S4R
• Description: Audio Indicators & Alerts 10mm SENSOR
• Manufacturer: Murata
• Series: MA40r

Specifications of MA40S4R

• Resonant Frequency: 40 kHz
• Diameter: 10 mm
• Sensor Type: Ultrasonic Receiver
• Sensing Range Min: 200mm
• Sensing Range Max: 4m
• Sensitivity: -63 DB
• External Diameter: 9.9mm
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• Beam Divergence: 80°
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5
1
!Note
• This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
sales representatives or product engineers before ordering.
!Note
1. Compact and light weight.
2. High sensitivity and sound pressure.
3. High reliability.
Burglar alarms, Range finders, Automatic doors, Remote
control.
12
Open Structure Type
MA40S4R
MA40S4S
MA40S5
Distance: 30cm, Sensitivity: 0dB=10V/Pa, Sound pressure level: 0dB=20 Pa. Refer P19.
The sensor can be used in the operating temperature range.
Please refer to individual specifications for the temperature drift of Sensitivity/Sound pressure levels or environmental characteristics in that temperature range.
Directivity and detectable range are typical values. They can be changed by application circuit and fixing method of the sensor.
Piezoelectric Ceramics (PIEZOTITEr) Sensors
Ultrasonic Sensors
Features
Applications
Part Number
• Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
Open struct.
Open struct.
Open struct.
Structure
Transmitter
Receiver
Dual Use
Method
Using
Nominal
Freq.
(kHz)
40
40
40
Overall Sensitivity
20 +20/-10
(mVp-p)
-
-
Sensitivity
-63 typ.
(dB)
-
-
120 typ.
S.P.L.
(dB)
-
-
MA40S4R/S
MA40S5
Directivity
(typ.)
(typ.)
(typ.)
80
80
60
( )
Cap.
2550
2550
2550
(pF)
Sealed by Silicone glue
Temp. Range
2 - 0.64
Operating
-40 to 85
-40 to 85
-40 to 85
( C)
2 - 0.64
p
0.1
p
0.1
5.0 0.3
Detectable
0.2 to 4
0.2 to 4
0.3 to 2
Range
(m)
5.0 0.25
40kHz square waves,
40kHz square waves,
16pulses per 100ms
Max. Input Voltage
Continuous signal
* : EIAJ Code
: EIAJ Code
: R or S
(Vp-p)
20
20
-
(in mm)
(in mm)
P19E.pdf
08.6.4