驱动电压：无源 发声原理：压电式 电极引方式：引线式
A. SCOPE
This specification applies piezo buzzer, DCT2140F-0341W
B. SPECIFICATION
|
No. |
Item |
Unit |
Specification |
Condition |
|
1 |
Oscillation Frequency |
Hz |
4100 |
square wave |
|
2 |
Operating Voltage |
Vp-p |
1 ~ 25 |
|
|
3 |
Rated Voltage |
Vp-p |
3 |
|
|
4 |
Current Consumption |
mA |
MAX.3 |
at Rated Voltage |
|
5 |
Sound Pressure Level |
dB |
MIN.92 |
at 10cm at Rated Voltage |
|
6 |
Electrostatic Capacity |
pF |
25000±30% |
at 100Hz 1V |
|
7 |
Operating Temperature |
℃ |
-20~ +70 |
|
|
8 |
Storage Temperature |
℃ |
-30 ~ +80 |
|
|
9 |
Dimension |
mm |
Φ21 x H4 |
See appearance drawing |
|
10 |
Weight (MAX) |
gram |
4.0 |
|
|
11 |
Housing Material |
|
PPO( Black ) |
|
|
12 |
Leading Pin |
|
Wire Type |
See appearance drawing |
|
13 |
Environmental Protection Regulation |
|
RoHS |
|
C. APPEARANCE DRAWING
Tol : ± 0.5 Unit: mm
D.TESTING METHOD
Standard Measurement conditions
Temperature:25±2℃ Humidity:45-65%
Acoustic Characteristics:
The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below
In the measuring test, buzzer is placed as follows:
E. Typical Frequency Response Curve
F. RELIABILITY TEST
TEST CONDITION.
Standard Test Condition : a) Temperature : +5 ~ +35℃ b) Humidity : 45-85% c) Pressure : 860-1060mbar
Judgment Test Condition : a) Temperature : +25 ± 2℃ b) Humidity : 60-70% c) Pressure : 860-1060mbar
G. PACKING STANDARD
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