Characteristics, 3 test method, 1 features – BeStar BMT1201H8.5F-02 LF User Manual
Page 2: 2 electrical and mechanical characteristics, Bestar electronics industry co.,ltd, Square signal generator, Black, Recommended circuit, Buzzer, Transducer
No. Item Specifications
1. Rated voltage 1.5Vo-p
2. Operating voltage range 1-3.5Vo-p
3. Rated frequency 2048Hz
4. a) Rated current Max.10mA
5. Coil resistance 42ohm± 6ohm
6. b) Coil impedance 120ohm
7. a) Sound pressure level min.85dB at 10cm
8. Operating temperature -25...+70°C
9. Storage temperature -30...+85°C
10. Weight 2g
a) Value applying rated voltage(2048Hz,50%duty,square wave 1.5Vo-p)
b) Value applying at rated voltage (2048Hz,sine wave measuring current 60 μA)
T
h
is
p
ri
n
t
and
i
n
fo
rm
a
ti
on
t
he
re
i
n
a
re
p
rop
ri
e
ta
ry
t
o
B
e
s
ta
r E
le
c
tr
on
ics
I
ndu
s
tr
y
C
o
.,
L
td
.
and
s
ha
ll
no
t
be
u
s
ed
i
n
w
ho
le
o
r
in
p
a
rt
w
it
hou
t
it
s
wr
itt
en
c
on
tent
BESTAR ELECTRONICS INDUSTRY CO.,LTD
6
5
4
1.0K
Square
signal
generator
05/07/01
A
A
Rev.
Date
陶红仲
Drawn
Drawn by:
Note
Checked by:
Approved by:
Date:
black
B
1.31.Recommended Circuit
the following are examples of externally driven circuits.
C
red
Ec+
8050
buzzer
1.3 Test method:
D
Page:1 of 5
DRG NO: BS/TET01.004C
3
2
1
400mm
100mm
Transducer
BMT1201H8.5-02 LF
魏奉玲
陶红仲
张秀琴
08/03/20
A
B
No reaction in space with in 400mm in all direction
Sounder
1.32.Standard text Fixture
C
D
E
F
1.1 Features
1. Dimension:
Ш12Ч8.5
2. High S.P.L.; and clear sound
3. RoHS complant
4. Minimum quantity (one carton): 3000 pcs.
1.2 Electrical and Mechanical Characteristics
G
1. Characteristics
BMT1201H8.5F-02 LF
H
6
5
4
E
F
G
H
3
2
1
05/11/02
B
陶红仲
08/03/20
C
魏奉玲
change SPL into 85dB
cancel the printing