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20171130 / electromagnetic_buzzer_sdr_en.fm
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
SDR series
SDR08540M3-01
FEATURES
High quality parts(yoke and magnets) provide high output levelof sound pressure in spite of compact size.
Suitable for surface mount process(SMD). Stand up to reflow process twice.
Lead (Pb)-free correspondence that preserved environment
APPLICATION
Alarm for remote control room key-, portable devices.
SHAPE & DIMENSIONS RECOMMENDED LAND PATTERN
SPECIFICATIONS
• Please ask us for details which is designed another operating rated frequency.
FREQUENCY CHARACTERISTICS (REFERENCE VALUE)
Part No. SDR08540M3-01
Rated voltage Eo-p(V) 3
Operating voltage Eo-p(V) 1 to 5
Drive conditions:rated voltage, square wave form [duty 50%]
Frequency(Hz) 2670
Sound pressure(dB(A)/10cm)min. 88
Rated current(mA(ave))max. 85
DC resistance()typ. 16
Operating temperature range –40 to +85°C
Storage temperature range –40 to +85°C
Sound release hole
8.5±0.2
(
1.2
)
4±0.2
8.5±0.2
(
4.2
)
The positive polarity terminal: 1
The negative polarity terminal: 2=3=4 common
Dimensions in mm
(
–
)
2
(
–
)
3
(
+
)
1
(
–
)
4
The positive polarity mark
8.9
1.78
8.9
1.78
1.18
1.18
1.18
1.18
0.67
0.67
2.52
1.58
2.52
The positive polarity terminal: 1
The negative polarity terminal: 2=3=4 common
Dimensions in mm
12
3
4
0.5 1 2 3 45 10
100
90
80
70
60
50
Sound pressure
(
dB
(
A
)
/10cm
)
Frequency
(
kHz
)
