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Datasheet Replacement Marking Code
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25LC128
SPU0409 (2)SPU04 (9)SPU0 (18)SPU (32)
Knowles

SPU0409HD5H-PB

100Hz ~ 100kHz Analog Microphone MEMS (Silicon) Omnidirectional (-42dB ±3dB @ 94dB SPL) Surface Mount
Knowles

SPU0409LE5H-QB

100Hz ~ 100kHz Analog Microphone MEMS (Silicon) Omnidirectional (-38dB ±3dB @ 94dB SPL) Surface Mount
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