ST BUZZER
Acoustic Product Specification
Product Number: ST-0402T
Release | Revision: B/2018
CONTENTS This document cont...
ST BUZZER
Acoustic Product Specification
Product Number: ST-0402T
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 Frequency Response Curve Testing Method Page 4 Recommended Driving Circuit Soldering Conditions Page 5 Dimensions Page 6 Packing
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Specifications
Item
Unit
Specification Condition
Rated Frequency
Hz 4000
Rated
Voltage
Vo-p
3
Operating
Voltage
Vo-p
2.0 ~ 4.0
Mean Current
mA 90 Max.
Vo-p=½ duty, square wave
Coil Resistance
Ω 17 ±3
Sound Pressure Level
dB
70
At 10cm rated
voltage
Operating Temp
℃ -30 ~ +70
Storage Temp
℃ -40 ~ +85
Dimension
mm L4.0 × W4.0 × See attached drawing H2.0
Weight
gram
0.1
Housing Material
LCP (Black)
Leading Pin
SMD type
Tin plated (Sn) See attached drawing
Environmental Protection Regulation
RoHS
Test Condition Temperature : +25±2 ℃ Relative Humidity: 65±5% Air Pressure: 86-106KPa
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℃ for 3 ±1 seconds.
90% min. lead terminals shall be wet with solder No interference in operation.
Soldering Heat Resistance
The product follows the reflow temperature curve to test its reflow thermal stability.
Terminal Mechanical Strength
Lead pads shall be...
