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STMicroelectronics Battery Backup IC Lithium-CF SNAPHAT 4-Pin 2.8 V Input 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 power designed for serial real-time clock and non-volatile TIMEKEEPER® devices.
- Detachable SNAPHAT package for easy replacement and heat avoidance during surface mount processes.
- Includes 48 mAh BR1225 3V lithium battery suitable for 0°C to 70°C operating temperature range.
- Compatible with 28 or 44 pin SOIC serial real-time clock packages from STMicroelectronics.
- Keyed insertion ensures proper assembly and correct orientation.
- Pb-free and available in Ecopack® tubes for environmental compliance.
- Provides reliable backup power for accurate timekeeping in electronic applications.
Product Description
STMicroelectronics M4T28-BR12SH1 is a battery backup IC with Lithium-CF chemistry housed in a removable SNAPHAT 4-Pin package. It features a 2.8 V minimum and maximum supply voltage, designed for use with serial real-time clock and non-volatile TIMEKEEPER® SOIC packages with 28 or 44 pins.
The unique SNAPHAT package snaps on top of a surface-mounted SOIC IC on the PCB, allowing battery replacement without surface mounting heat exposure. This removable design helps maintain device reliability by avoiding battery damage during reflow soldering.
The integrated BR1225 48 mAh, 3V lithium battery supports an operating temperature range from 0°C up to 70°C, suitable for many industrial and commercial electronic applications requiring precise timekeeping backup power.
Key features include Pb-free packaging and availability in Ecopack® tubes, meeting modern environmental regulations. Battery backup power for STMicroelectronics serial real-time clock and supervisor devices. Detachable SNAPHAT package provides ease of replacement and heat protection.
Contains 48mAh BR1225 3V lithium battery suitable for 0°C to 70°C temperature range. Keyed insertion ensures proper installation and prevents incorrect assembly. Compatible with 28 or 44 pin SOIC TIMEKEEPER® packages. Pb-free and packaged in Ecopack® tubes for environmental safety compliance.
This battery backup IC is ideal for electronic products requiring reliable timekeeping in industrial, manufacturing, commercial, and embedded systems. The removable SNAPHAT battery assists in proper disposal and replacement, enhancing system lifetime and maintainability.
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Frequently Asked Questions
The M4T28-BR12SH1 has a minimum supply voltage of 2.8 V.
It operates within a temperature range of 0°C to 70°C.
This model uses a Lithium-CF battery type, specifically a BR1225 48 mAh 3V lithium battery.
The SNAPHAT package is designed for keyed insertion, ensuring proper assembly and correct orientation during installation.
The height of this model is 7.75 mm and the length is 21.84 mm.
It is compatible with 28 or 44 pin SOIC serial real-time clock packages from STMicroelectronics.
The mount type for the M4T28-BR12SH1 is through hole.
This model is Pb-free and packaged in Ecopack® tubes for environmental safety compliance.
It belongs to the M4T28-BR12SH series.
It is intended for electronic products requiring reliable timekeeping in industrial, manufacturing, commercial, and embedded systems.
The removable SNAPHAT design helps avoid battery damage during reflow soldering, maintaining device reliability.
The M4T28-BR12SH1 is manufactured in India.
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