SMT-0540-S-R
https://www.wce-electronics.es/shop/18318-smt-0540-s-r-4850
https://www.wce-electronics.es/web/image/product.template/4850/image_1920?unique=5cbde49
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Audio transducer; Type: Electromagnetic; Frequency: 4 kHz; Sound pressure level: 78 dBA; Operating temperature: -40 C to +85 C; Current value: 100mA; Maximum voltage: 3V; Resonant author frequency: 4 kHz; Mount: SMD / SMT
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