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SMT4020

Release time：2017-09-07

Clicks：1578

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Product details

Model No	SMT4020
Rated Voltage (Vo-p)	3
Operating Voltage(Vo-p)	2～4
Coil Resistance (Ω)	12±3
Resonant Frequency (Hz)	4000
Sound Output at 10cm (dB)	≥70
Current Consumption (mA)	≤110
Operating Temperature (℃)	-20～+70
Storage Temperature (℃)	-30～+80
Weight	0.1g

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基本文件流程错误 SQL 调试

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