M4T28-BR12SH Real-Time Clock (RTC) ICs by STMicroelectronics

SNAPHAT® 48 mAh lithium coin cell battery with crystal


The M4Txx-BR12SH SNAPHAT ® top is a detachable lithium power source for ST’s serial real-time clock and non-volatile TIMEKEEPER ® surface-mount SOIC package (28- and 44-pin). The SNAPHAT top contains both the battery and crystal and is designed to be “snapped on” after the SOIC is surface mounted on the PC board. Thus the two-piece solution prevents the battery and crystal from being exposed to the high temperatures of the surface-mount process.

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Features

Provides battery backup power for serial real-time clock, non-volatile TIMEKEEPER®and supervisor devices in the 28- or 44-pin SNAPHAT®SOIC package
Removable battery avoids heat associated with surface-mount process
Snaps directly onto surface-mounted SNAPHAT SOIC
Choice of battery capacities M4T28-BR12SH = 48 mAh M4T32-BR12SH = 120 mAh
M4T28-BR12SH = 48 mAh
M4T32-BR12SH = 120 mAh
Keyed insertion to ensure proper assembly
Removable for replacement and proper disposal
Pb-free package
Available in Ecopack®packages, tubes


Frequently Asked Questions

Where can I find additional details, specifications and documents for a M4T28-BR12SH?

Additional datasheets, footprints and schematics for M4T28-BR12SH are listed on our Part Details page. You can also find images and similar parts to M4T28-BR12SH on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for M4T28-BR12SH on our Product Comparison page. Access via the 'View Pricing & Stock' button to view M4T28-BR12SH price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does M4T28-BR12SH fall under?

The M4T28-BR12SH is listed under Clocks and Timers > Real-Time Clock (RTC) ICs > Battery and Crystal.

Can I view similar or alternative parts?

You can view similar parts to M4T28-BR12SH when available in the Battery and Crystal range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

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Is the M4T28-BR12SH RoHS compliant?

This part has not been flagged as RoHS Compliant.

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