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M4T28-BR12SH1 STMicroelectronics | STMicroelectronics M4T28-BR12SH1, Battery Backup IC, 2.8 V 4-Pin, SNAPHAT | 189-1239 | RS Components
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M4T28-BR12SH1 M4T32-BR12SH1 ST Microelectronics Real-time clock and TIMEKEEPER® SNAPHAT® battery with crystal Description The M4Txx-BR12SH SNAPHAT® top is a detachable lithium power source for ST's serial real-time clock and non-volatile TIMEKEEPER ...
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