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M4T28-BR12SH1
STMicroelectronicsRoHS 
RoHS compliant
RoHS compliantPackage SOIC
Category Clock/Timing - IC Batteries / Clock/Timing - IC Batteries
Description
STMICROELECTRONICS M4T28-BR12SH1 IC, TIMEKEEPER SNAPHAT, 12.5PF
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Pricing & Ordering
Inventory: 30981
Minimum: 23
Total Price: USD $216.14
Unit Price: USD $9.3974
≥23 USD $9.3974
Technical Details
Supply Chain
Factory Lead Time 12 Weeks
Lifecycle Status ACTIVE (Last Updated: 7 months ago)
Physical
Contact Plating Gold
Mount Surface Mount, Through Hole
Package / Case SOIC
Number of Pins 28
Weight 2.214806g
Technical
Operating Temperature 0°C~70°C TA
Packaging Bulk
Series Timekeeper?, Snaphat?
JESD-609 Code e4
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 4
ECCN Code EAR99
Type Battery and Crystal
HTS Code 8542.39.00.01
Technology CMOS
Terminal Position DUAL
Terminal Form PIN/PEG
Supply Voltage 2.8V
Frequency 32.768kHz
Base Part Number M4T28
Pin Count 4
JESD-30 Code R-XDSS-P4
Operating Supply Voltage 2.8V
Supply Voltage-Max (Vsup) 3V
Load Capacitance 12.5pF
Battery Chemistry Lithium
Capacity 48mAh
Number of Timers 1
Rechargeability Non-Rechargeable
Dimensions
Height 7.75mm
Length 21.84mm
Width 14.99mm
Compliance
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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