IC Batteries

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Type	Battery Chemistry	Capacity	Voltage - Rated	Frequency	Load Capacitance	Operating Temperature
M4T28-BR12SH1 IC CLK BATT/XTAL 32.768KHZ 48MAH STMicroelectronics	12 788 In Stock	1 : 2 257,84000 Ft Tube	Timekeeper®, Snaphat®	Tube	Active	Battery and Crystal	Lithium	48mAh	2.8 V	32.768 kHz	12.5 pF	0°C ~ 70°C (TA)
M4T32-BR12SH1 IC CLK BAT/XTAL 32.768KHZ 120MAH STMicroelectronics	6 652 In Stock	1 : 3 276,54000 Ft Tube	Timekeeper®, Snaphat®	Tube	Active	Battery and Crystal	Lithium	120mAh	2.8 V	32.768 kHz	12.5 pF	0°C ~ 70°C (TA)
M4T32-BR12SH6 IC CLK BAT/XTAL 32.768KHZ 120MAH STMicroelectronics	4 399 In Stock	1 : 3 533,72000 Ft Tube	Timekeeper®, Snaphat®	Tube	Active	Battery and Crystal	Lithium	120mAh	2.8 V	32.768 kHz	12.5 pF	-40°C ~ 85°C (TA)
BQ48SH-28X6NSH IC CLK BATT/XTAL 32.768KHZ 48MAH Texas Instruments	0 In Stock 38 344 Marketplace	69 : 2 360,41188 Ft Tube 40 : 2 525,04000 Ft Bulk	Snaphat®	Bulk Tube	Obsolete	Battery and Crystal	Lithium	48mAh	2.8 V	32.768 kHz	6 pF	0°C ~ 70°C (TA)

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Products in this family are specialized modules containing an electrochemical power source used for powering real-time clocks in applications where tracking the passage of time in the absence of an external power source is needed. Typically designed for use with a specific time keeping integrated circuit, they provide a means of assembling temperature sensitive components onto a printed circuit board after the completion of other assembly processes involving high temperatures.