Characteristics, 1 features, 3 test method – BeStar SMT5555-03H2.5LF User Manual
Page 2: Transducer

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08/09/20
魏奉玲
08/09/20
魏奉玲
BS/TET01.552A
SMT5555-03H2.5 LF
SMT5555-03H2.5 LF
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G
F
E
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1. Characteristics
1.1 Features
G
F
E
1.2 Electrical and Mechanical Characteristics
1. SMD;thinner , smaller size
2. High S.P.L.; and clear sound
3. Reflowable;RoHS complant
4. Tape & Reel supply
5. Minimum quantity (one reel): 1800 pcs.
D
C
Sounder
Ec+
1.32.Standard text Fixture
No reaction in space with in 400mm in all direction
B
buzzer
Date:
Drawn by:
40
0mm
50mm
D
C
1.31.Recommended Circuit
1.3 Test method:
1.0K
8050
black
Square
signal
generator
B
red
the following are examples of externally driven circuits.
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Page:1of 7
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2
Checked by:
Approved by:
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4
Transducer
Note
Drawn
5
Date
REV.
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No. Item Specifications
1 Rated Voltage 3Vo -p
2 Operating Voltage range 2.5-4.5Vo -p
3 Rated Frequency 3100Hz
4
Rated
Current max.120mA
5 Coil Resistance 10
±1.5 Ω
6 a) Sound Pressure Level at 5cm min.87dB
7 Operating Temperature -40...+85 ℃
8 Storage Temp. -40...+85 ℃
9 Weight 0.6 g
a)Value applying rated voltage (3100Hz,1/2 duty,square wave)
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