STMicroelectronics M4T28-BR12SH1 2.8V 48mAh SNAPHAT Lithium Battery and Crystal IC

STMicroelectronics M4T28-BR12SH1 2.8V 48mAh SNAPHAT Lithium Battery and Crystal IC

The STMicroelectronics M4T28-BR12SH1 is a SNAPHAT battery and crystal IC made for compatible TIMEKEEPER and serial real-time clock surface-mount SOIC packages. Its detachable SNAPHAT design lets the battery and crystal top be installed after surface mounting, which helps keep the battery away from reflow heat during board assembly.

This part combines a lithium power source and crystal in one snap-on package for backup and clock support. It is built for compatible 28-pin and 44-pin SOIC applications that use the STMicroelectronics SNAPHAT format for memory backup and timekeeping functions.

Key Features

• Detachable SNAPHAT battery and crystal design
• 2.8V lithium backup solution
• 48mAh battery capacity
• Made for compatible 28-pin and 44-pin SOIC packages
• Removable design helps avoid battery exposure to surface-mount heat

Ideal Uses

• TIMEKEEPER memory backup applications
• Real-time clock backup support
• Replacement for compatible STMicroelectronics SNAPHAT assemblies
• Board-level service and maintenance work

Ideal For

• Electronics repair technicians
• Industrial maintenance teams
• OEM service departments
• Buyers sourcing backup battery and crystal replacements

Applications / Devices / Cross References

• STMicroelectronics M4T28-BR12SH1\
• SNAPHAT battery and crystal applications
• TIMEKEEPER memory backup systems
• Compatible 28-pin and 44-pin SOIC package devices

Product Specs

• Brand: STMicroelectronics
• Model / Part Number: M4T28-BR12SH1
• Product Type: Battery and Crystal IC
• Nominal Voltage: 2.8V
• Capacity: 48mAh
• Battery Chemistry: Lithium
• Mounting Type: Snap-In
• Series: Timekeeper, Snaphat
• Operating Temperature: 0°C to 70°C
• Package Name: 1225 SNAPHAT