A surface-mount magnetic transducer designed for use with external drive circuitry. It features a compact size, lightweight build, and compatibility with high-density PCBs, supporting automated production processes. Operating at 3–12V, it offers a frequency range of 2–5 kHz and a moderate sound pressure level of 75–90 dB. It is ideal for wearable devices, IoT products, and consumer electronics requiring compact design, such as smartphone alerts or status indicators.
| Image | Part Number | DiameterD [mm] | HeightH [mm] | SPL [dB] | FrequencyFreq [kHz] | Rated VoltageVoltage | Mounting |
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SFM-1224B | 6.5 | 87 | 2.4 | 5V | SMD | |
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SFM-1224B03 | 6.5 | 87 | 2.4 | 3V | SMD | |
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SFM-1224B12 | 6.5 | 87 | 2.4 | 12V | SMD | |
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SFM-1224BB | 6.5 | 87 | 2.4 | 5V | SMD | |
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SFM-1224S03 | 6.5 | 75 | 2.4±0.4 | 3VDC | SMD | |
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SFM-1320-12 | 10 | 85 | 2 | 12V | SMD | |
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SFM-1324-05 | 10 | 85 | 2.4 | 5V | SMD | |
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SFM-1324-12 | 10 | 85 | 2.4 | 12V | SMD | |
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SFM-5540-03A | 3 | 78 | 4 | 3.6V | SMD | |
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SFM-6527-01 | 3.5 | 70 | 2.731 | 1.5V | SMD | |
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SFM-6527-01A | 3.5 | 70 | 2.731 | 1.5V | SMD | |
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SFM-6527-03 | 3.5 | 70 | 2.73 | 3V | SMD | |
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SFM-8527-03 | 4 | 85 | 2.73 | 3V | SMD | |
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SFM-8527-03A | 4 | 85 | 2.73 | 3.6V | SMD | |
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SFM-8527-05 | 4 | 85 | 2.73 | 5V | SMD | |
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SFM-9027G01 | 9 | 4 | 85 | 2.73 | 1.5V | SMD |
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SFM-9027G03 | 9 | 4 | 85 | 2.73 | 3V | SMD |
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SFM-9027G05 | 9 | 4 | 85 | 2.73 | 5V | SMD |
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SFM-9527G01 | 9.5 | 3.3 | 80 | 2.731 | 1.5V | SMD |
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SFM-9527G03 | 9.5 | 3.3 | 85 | 2.731 | 3V | SMD |