Specifications
Item
Unit
Specification
Condition
Rated Voltage
Vo-p
5.0
Vo-p
Operating Voltage
Vo-p
3.0 ~ 7.0
WT BUZZER
Mean Current
mA
40 Max
Acoustic Product Specification
Coil Resistance
Ω
47 ±5
Sound Output
dB
87
At 10cm at rated voltage
Rated Frequency
Hz
2400
Vo-p= ½ duty, square
wave
Operating Temp
℃
-30 ~ +70
Storage Temp
℃
-40 ~ +80
Dimension
mm
L12.8×W12.8
×H10.0
Weight
gram
2.5
Product Number: WT-1310
Release | Revision: B/2018
Material
PPS (Gray)
Terminal
SMD Type
(Plating Sn)
Environmental
Protection Regulation
RoHS
At rated voltage
See attached drawing
See attached drawing
Test condition:
Temperature: +25±2 ℃ Related humidity: 65±5% Air pressure: 86-106KPa
CONTENTS
This document contains the
technical specifications for the
electromagnetic buzzer.
Page 1
Specifications
Mechanical Characteristics
Item
Test condition
Evaluation standard
Solderability
Lead terminals are immersed in
rosin for 5 seconds and then
immersed in the solder bath at
+250 ±5˚C for 3±1 seconds.
90% min. lead
terminals shall be wet
with solder.
Reliability Test
Soldering Heat
Resistance
No interference in
operation.
Page 3
Recommended Temperature
Profile
The product follows the reflow
temperature curve to test its
reflow thermal stability.
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.
After the test, the
part shall meet
specifications
without any damage
in appearance and
performance except
SPL. The SPL should
be ±10dBA compared
with the initial one.
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). A total of 9 times.
Mechanical Characteristics
Page 2
Environment Test
Measurement Test Circuit
Inspection Fixture
Page 4
Frequency Response Curve
Page 5
Dimensions
Page 6
Packing
1
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Environment Test
Item
Test condition
Evaluation standard
High Temp. Test
The part is placed in a chamber
at +80ºC for 96 hours.
Low Temp. Test
The part is placed in a chamber
at -40ºC 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˚C,
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:
WT BUZZER
Acoustic Product Specification
Product Number: WT-1310
Release | Revision: B/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
Recommended Temperature
Profile
Measurement Test Circuit
Inspection Fixture
Page 4
Frequency Response Curve
Page 5
Dimensions
Page 6
Packing
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 at
5.0V, 2400Hz.
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 +70ºC at 5.0V,
2400Hz applied
Low Temperature
The part shall be subjected to
72 hours of continuous
operation at -30ºC at 5.0V,
2400Hz applied
Standard test condition:
a) Temperature: +5~+35℃
b) Humidity: 45~85%
c) Pressure: 86 ~ 106KPa
2
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Recommended Wave Soldering Temperature Curve
WT BUZZER
Acoustic Product Specification
Product Number: WT-1310
Measurement Test Circuit
Release | Revision: B/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: 5 Vo-p ,square wave, ½ duty, 2400 Hz
Reliability Test
Page 3
Recommended Temperature
Profile
Measurement Test Circuit
Inspection Fixture
Page 4
Frequency Response Curve
Page 5
Dimensions
Mic: RION S.P.L meter UC30 or equivalent
S.G: Hewlett Packard 33120A Function Generator or equivalent
Page 6
Packing
3
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Typical Frequency Response Curve
WT BUZZER
Acoustic Product Specification
Product Number: WT-1310
Release | Revision: B/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
Recommended Temperature
Profile
Measurement Test Circuit
Inspection Fixture
Page 4
Frequency Response Curve
Page 5
Dimensions
Page 6
Packing
www.soberton.com
Dimensions
Tolerance: ±0.5 (unit: mm)
WT BUZZER
Acoustic Product Specification
Product Number: WT-1310
Release | Revision: B/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
Recommended Temperature
Profile
Measurement Test Circuit
No.
Part Name
Material
Quantity
1
Lead
Copper
2
2
PCB
Epoxy Glass Fiber Cloth + Copper
1
3
Core
Ferrum
1
4
Coil
Copper
1
5
Magnet Ring
Poly + Ferrite
1
6
Diaphragm
Ferrum
1
7
Case
PPS
1
Inspection Fixture
Page 4
Frequency Response Curve
Page 5
Dimensions
Page 6
Packing
5
www.soberton.com
Packing
WT BUZZER
Acoustic Product Specification
Product Number: WT-1310
Release | Revision: B/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
Recommended Temperature
Profile
Measurement Test Circuit
Inspection Fixture
Page 4
Frequency Response Curve
Page 5
Dimensions
Page 6
Packing
6
www.soberton.com
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