Specifications
Item
Unit
Specification
Condition
Rated Voltage
Vo-p
3.6
Vo-p
Operating Voltage
Vo-p
2.5 ~ 4.5
ST BUZZER
Mean Current
mA
100 Max.
Acoustic Product Specification
Coil Resistance
Ω
16 ±3
Sound Output
dB
88
Rated Frequency
Hz
2730
Operating Temp
℃
-30 ~ +70
Storage Temp
℃
-40 ~ +85
Dimension
mm
L8.5 × W8.5 ×
H3.0
Weight
gram
0.6
Product Number: ST-03BH
Release | Revision: E/2018
CONTENTS
This document contains the
technical specifications for the
electromagnetic buzzer.
Page 1
Specifications
Mechanical Characteristics
Material
LCP (Black)
Terminal
SMD type
(Plating Sn)
Environmental
Protection Regulation
RoHS
Page 3
Frequency Response Curve
Page 4
Recommended Temperature
Profile
Measurement Test Circuit
See attached drawing
Mechanical Characteristics
Item
Test condition
Evaluation standard
Solderability
Lead terminals are immersed in
the solder bath at +250±5℃ for
3±1 seconds.
Soldering Heat
Resistance
The product follows the reflow
temperature curve to test its
reflow thermal stability.
90% min. lead
terminals shall be wet
with solder
No interference in
operation.
Terminal Mechanical
Strength
Lead pads shall be soldered on
the pc board, and the force of
9.8N (1.0Kg) shall be applied to
the part for 10 seconds.
No damage and
cutting off
Vibration
The part shall be subjected to a
vibration cycle of 10Hz to 55Hz
to 10Hz in a period of 1 minute.
Total peak amplitude shall be
1.52mm(9.3G). The vibration test
shall consist of 2 hours per axis in
each three axes (X,Y,Z). Total 6
hours.
Drop Test
The part is dropped from a height
of 75cm onto a 40mm thick
wooden board 3 times in 3 axes
(X,Y,Z). Total of 9 times.
After the test, the
part shall meet
specifications without
any damage in
appearance and
performance except
SPL. The SPL should
be in ±10dBA
compared with initial
one.
Page 5
Dimensions
www.soberton.com
See attached drawing
Temperature : +25±2 ℃ Relative Humidity: 65±5% Air Pressure: 86-106KPa
Inspection Fixture
Page 6
Packing
At 10cm(A-weight free
air), at rated voltage
2730Hz, square wave,
½ duty
Test Condition
Page 2
Environment Test
Reliability Test
At rated voltage, 2730 Hz
square wave, ½ duty
Environment Test
Item
Test condition
Evaluation standard
High Temp. Test
The part is placed in a chamber
at +85℃ for 96 hours
Low Temp. Test
The part is placed in a chamber
at -40℃ for 96 hours
Thermal Shock
The part shall be subjected to
10 cycles. Each cycle shall
consist of:
After the test, the part
shall meet specifications
without any
degradation in
appearance and
performance except
SPL.
After 4 hours at +25℃,
the SPL should be in
±10dBA compared with
initial one.
Temp./Humidity
Cycle
The part shall be subjected to 10 cycles.
One cycle shall be 24 hours and consist of:
ST BUZZER
Acoustic Product Specification
Product Number: ST-03BH
Release | Revision: E/2018
CONTENTS
This document contains the
technical specifications for the
electromagnetic buzzer.
Page 1
Specifications
Mechanical Characteristics
Page 2
Environment Test
Reliability Test
Page 3
Frequency Response Curve
Page 4
Recommended Temperature
Profile
Measurement Test Circuit
Inspection Fixture
Page 5
Dimensions
Page 6
Packing
www.soberton.com
Reliability Test
Item
Test condition
Evaluation standard
Operating Life Test
Ordinary Temperature
The part shall be subjected to
96 hours of continuous
operation at +25˚C±10˚C.
After the test, the part
shall meet
specifications without
any degradation in
appearance and
performance except
SPL.
After 4 hours at +25℃,
the SPL should be in
±10dBA compared with
initial one.
High Temperature
The part shall be subjected to
72 hours of continuous
operation at +70℃ at 3.6V,
2730Hz applied.
Low Temperature
The part shall be subjected to
72 hours of continuous
operation at -30℃ at 3.6V,
2730Hz applied.
Standard test condition:
a) Temperature: +5~+35℃
b) Humidity: 45~85%
c) Pressure: 86~106KPa
Typical Frequency Response Curve
ST BUZZER
Acoustic Product Specification
Product Number: ST-03BH
Release | Revision: E/2018
CONTENTS
This document contains the
technical specifications for the
electromagnetic buzzer.
Page 1
Specifications
Mechanical Characteristics
Page 2
Environment Test
Reliability Test
Page 3
Frequency Response Curve
Page 4
Recommended Temperature
Profile
Measurement Test Circuit
Inspection Fixture
Page 5
Dimensions
Page 6
Packing
www.soberton.com
Recommended Temperature Profile for Reflow Oven
ST BUZZER
Recommendable wave soldering condition is as follows:
Note 1: It is requested that reflow soldering should be executed after heat of
product goes down to normal temperature.
Note 2: Peak reflow temperature of 250˚C maximum of 10 seconds, with a
maximum duration of 40-60 seconds between 220˚C and 250˚C
Acoustic Product Specification
Product Number: ST-03BH
Measurement Test Circuit
Release | Revision: E/2018
CONTENTS
This document contains the
technical specifications for the
electromagnetic buzzer.
Page 1
Specifications
Mechanical Characteristics
Page 2
Environment Test
Inspection Fixture
S.P.L Measuring Circuit
Input Signal: 3.6 Vo-p, square wave ½ duty, 2730 Hz
Reliability Test
Page 3
Frequency Response Curve
Page 4
Recommended Temperature
Profile
Measurement Test Circuit
Inspection Fixture
Page 5
Dimensions
Page 6
Packing
www.soberton.com
Mic: RION S.P.L meter UC30 or equivalent
S.G: Hewlett Packard 33120A Function Generator or equivalent
Dimensions
ST BUZZER
Acoustic Product Specification
Product Number: ST-03BH
Release | Revision: E/2018
CONTENTS
This document contains the
technical specifications for the
electromagnetic buzzer.
Page 1
Specifications
Mechanical Characteristics
Page 2
Environment Test
No.
Part Name
Material
Quantity
1
Case
LCP
1
2
Core
Ferrum
1
Page 4
Recommended Temperature
Profile
3
Coil
Copper
1
4
Magnet ring
NdFeB
1
Measurement Test Circuit
5
Diaphragm
Ferrum
1
Inspection Fixture
6
Case
LCP
1
Reliability Test
Page 3
Frequency Response Curve
Page 5
Dimensions
Page 6
Packing
www.soberton.com
Packing
ST BUZZER
Acoustic Product Specification
Product Number: ST-03BH
Release | Revision: E/2018
CONTENTS
This document contains the
technical specifications for the
electromagnetic buzzer.
Page 1
Specifications
Mechanical Characteristics
Page 2
Environment Test
Reliability Test
Page 3
Frequency Response Curve
Page 4
Recommended Temperature
Profile
Measurement Test Circuit
Inspection Fixture
Page 5
Dimensions
Page 6
Packing
www.soberton.com
很抱歉,暂时无法提供与“ST-03BH”相匹配的价格&库存,您可以联系我们找货
免费人工找货- 国内价格 香港价格
- 1000+14.135431000+1.71467
- 国内价格 香港价格
- 1+24.707771+2.99713
- 10+20.4991410+2.48661
- 25+18.9265725+2.29585
- 50+17.7829550+2.15713
- 100+16.68159100+2.02353
- 250+15.44020250+1.87295
- 500+14.29197500+1.73366