Electrical characteristics, Brass metallic supporter, Static capacitance resonant impedance no. 1 – BeStar FT-20T-4.3A1 User Manual
Page 2: Resonant frequency item, At 120hz/1v, Condition, Piezo ceramic element, See page 3 &3.2a
Brass
Metallic supporter
A
Date
6
Rev.
5
Drawn
4
Approved by:
Note
08/06/16
B
B
赵 峥
Drawn by:
Checked by:
Date:
Piezo Ceramic Element
A
Page:1 of 7
DRG NO: BS/TEY01.256B
3
张秀琴
2
1
李红元
赵 峥
08/06/16
FT-20T-4.3A1
B
680ohm max
Min.200M ohm
C
M-G
:30± 30%nF
4.3± 0.5KHz
Specification
4.
Insulation Resistance
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
"Pull off"force between
silver and ceramic layer
(vertically)
10.
9.
8.
7.
C
-30...+60°C
Operating Temperature
Storage Temperature
-20...+70°C
2.5N min
6.
5.
D
"Pull off"force between
silver and ceramic layer
(horizontally)
20N min
Operating Voltage
3 - 30 Vp-p
3.
2.
E
Static Capacitance
Resonant Impedance
No.
1.
F
Resonant Frequency
Item
1.Electrical characteristics
G
FT-20T-4.3A1
H
6
5
4
The Insulation Resistance
is suitable only for piezo
element without wire
See page 3&3.2b
C
See page 3 &3.2a
D
The resonant frequency is
suitable only for piezo element
without wire
at 120Hz/1V
The resonant Impedance is
suitable only for piezo element
without wire
E
Condition
F
G
3
2
1
H