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STMicroelectronics Battery Backup IC Lithium-CF 2.8 V Input SNAPHAT 4-Pin M4T28-BR12SH1
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Battery type | Lithium-CF |
| Height | 7.75mm |
| Length | 21.84mm |
| Model | M4T28-BR12SH1 |
| Mount Type | Through Hole |
| Series | M4T28-BR12SH |
| Maximum Operating Temperature | 70°C |
| Package Type | SNAPHAT |
| Sub Type | Battery Backup IC |
| Minimum Operating Temperature | 0°C |
| Pin Count | 4 |
| Minimum Supply Voltage | 2.8V |
Key Features
- Battery backup for serial real-time clocks and TIMEKEEPER® devices.
- Detachable SNAPHAT package snaps onto surface-mounted SOIC package.
- Lithium power source removable to avoid heat damage during mounting.
- Contains BR1225 48mAh, 3V battery for stable operation.
- Operating temperature range from 0°C to +70°C.
- Keyed insertion for proper assembly and easy replacement.
- Pb-free package compliant with RoHS regulations.
- Compatible with 28 or 44 pin real-time clock SOIC variants.
Product Description
STMicroelectronics M4T28-BR12SH1 is a high-quality battery backup IC designed for serial real-time clock and TIMEKEEPER® SOIC packages. Featuring a lithium-CF battery source housed in a detachable SNAPHAT 4-pin package, it snaps directly onto the PCB surface-mounted SOIC package eliminating heat-related mounting issues.
This device contains a BR1225 lithium coin cell with 48mAh capacity and 3V output, providing reliable backup power in a temperature range from 0°C to 70°C. Its keyed SNAPHAT design ensures proper positioning and easy replacement, enhancing serviceability and disposal compliance.
The M4T28-BR12SH1 is designed specifically for 28- or 44-pin serial RTC and TIMEKEEPER® devices, making it ideal for applications requiring dependable battery-backed clock operation in industrial and commercial electronics.
Battery backup for real-time clock and supervisor ICs in SNAPHAT SOIC packages. Removable lithium battery avoids damage from surface mounting heat. Compact 4-pin SNAPHAT through-hole mounting type. Certified Pb-free package and available in Ecopack® tubes.
Supports operating temperature range 0°C to 70°C, suitable for diverse environments. Keyed insertion prevents incorrect assembly during manufacturing. Contains a high quality BR1225 48mAh, 3V lithium battery source. Compatible with a broad range of STMicroelectronics serial RTC ICs.
Its specialized design supports industrial, commercial, and laboratory applications requiring reliable clock backup power solutions. The SNAPHAT packaging simplifies integration and service, providing a robust, efficient battery management solution compliant with modern environmental standards.
Discover more power management ICs and battery backup solutions by browsing the extensive EnvMart catalog tailored for electronics and semiconductor professionals.
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Frequently Asked Questions
The operating temperature range of this model is from 0°C to 70°C.
It uses a Lithium-CF battery type, specifically a BR1225 lithium coin cell with a capacity of 48mAh and a voltage of 3V.
This unit has a pin count of 4.
The detachable SNAPHAT package allows for easy mounting onto surface-mounted SOIC packages and prevents heat-related damage during the mounting process.
The height of the M4T28-BR12SH1 is 7.75mm and its length is 21.84mm.
It is designed specifically for 28 or 44 pin real-time clock SOIC variants.
This model uses a through-hole mounting type.
Yes, it is a Pb-free package compliant with RoHS regulations.
It is designed for applications requiring reliable battery-backed clock operation in industrial and commercial electronics.
The minimum supply voltage for the M4T28-BR12SH1 is 2.8V.
The keyed insertion design ensures proper positioning during assembly, making it easier to replace and service.
The country of origin for this battery backup IC is India.
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