A. SCOPE
This specification applies magnetic buzzer, FDB-075042F-05031
B. SPECIFICATION
| No. |
Item |
Unit |
Specification |
Condition |
|
1 |
Oscillation Frequency |
KHz |
3.1 ± 0.4 |
|
|
2 |
Operating Voltage |
VDC |
4 ~7 |
|
|
3 |
Rated Voltage |
VDC |
5 |
|
|
4 |
Current Consumption |
mA |
MAX. 30 |
at Rated Voltage |
|
5 |
Sound Pressure Level |
dB |
MIN. 80 |
at 10cm at Rated Voltage |
|
6 |
Tone/Pulse Rate |
|
Constant |
|
|
7 |
Operating Temperature |
℃ |
-20 ~ +70 |
|
|
8 |
Storage Temperature |
℃ |
-30 ~ +80 |
|
|
9 |
Dimension |
mm |
Φ7.5 x H4.2 |
See appearance drawing |
|
10 |
Weight (MAX) |
gram |
1.0 |
|
|
11 |
Housing Material |
|
PPO( Black ) |
|
|
12 |
Leading Pin |
|
Tin Plated Brass(Sn) |
See appearance drawing |
|
13 |
Environmental |
|
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. VOLTAGE / CURRENT / SOUND PRESSURE CHARACTERISTICS
F. RELIABILITY TEST
|
NO. |
ITEM |
TEST CONDITION AND REQUIREMENT |
|
1 |
High Temperature |
After being placed in a chamber with 80 |
|
2 |
Low Temperature |
After being Placed in a chamber with -30 |
|
3 |
Humidity Test |
After being Placed in a chamber with 90-95% R.H. at 40 |
|
4 |
Temperature Cycle |
The part shall be subjected to 5 cycles. One cycle shall be consist of: |
|
5 |
Drop Test |
Drop on a hard wood board of 4cm thick, any directions ,6 times, at the height of 75cm . |
|
6 |
Vibration Test |
After being applied vibration of amplitude of 1.5mm with 10 to 55 Hz band of vibration frequency to each of 3 perpendicular directions for 2 hours . |
|
7 |
Solderability |
Lead terminals are immersed in rosin for 5 seconds and then immersed in solder bath of +300 |
|
8 |
Terminal Strength |
The force of 9.8N(1.0kg) is applied to each terminal in axial direction for 10 seconds. |
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
2℃ for 96 hours and then being placed in normal condition for 2 hours.