STMicroelectronics M4T32-BR12SH6 2.8V 120mAh SNAPHAT Battery & Crystal Module – Embedded RTC Backup Solution
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Integrated lithium-based 120 mAh, 2.8 V backup battery and 32.768 kHz crystal in SNAPHAT® format for real-time clock modules.
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Designed for 28- and 44-pin SOIC TIMEKEEPER® packages; snaps on after PCB reflow to protect battery and crystal from high SMT temperatures.
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Compact surface-mount dimensions approximately 21.08 mm × 17.27 mm × 7.24 mm; keyed insertion for correct orientation and easy removal.
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±35 ppm crystal accuracy (at 25 °C) and lithium chemistry (Li(CF) type) ensures stable time-keeping and memory retention in designers’ embedded systems.
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Ideal for embedded applications such as industrial controllers, telecom devices, IoT gateways and any system requiring small-form real-time clock backup power.
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STMicroelectronics M4T32-BR12SH6 2.8V 120mAh SNAPHAT Battery & Crystal Module – Embedded RTC Backup Solution
The STMicroelectronics M4T32-BR12SH6 is a top-class SNAPHAT module combining a 2.8 V lithium backup cell (120 mAh) and a precision timing crystal in a single, compact surface-mount package. This solution is specially engineered to clip onto pre-mounted SOIC TIMEKEEPER chips after high-temperature surface mount reflow, protecting the battery and crystal from soldering heat and enabling reliable time-keeping and non-volatile memory retention even when main supply power is removed.
It delivers robust performance for mission-critical embedded systems, offering high precision, long data-hold and consistent clock functionality. Whether used in industrial automation, telecommunications modules, automotive ECUs or IoT devices, the M4T32-BR12SH6 provides dependable backup power and timing in a compact footprint designed for modern electronics manufacturing.
M4T32-BR12SH6 Specifications:
- IC Function: Timekeeper (Battery & Crystal)
- Supply Voltage Range: 2.8V
- Capacity: 120mAh
- Operating Temperature Range: 0?C to +70?C
- Digital IC Case Style: SNAPHAT
- RoHS Compliant: Yes
M4T32-BR12SH6 Key Features:
- Provides battery backup power for serial real-time clock, non-volatile TIMEKEEPER and supervisor devices in the SNAPHAT?SOIC package
- Removable battery avoids heat associated with surface-mount process
- Snaps directly onto surface-mounted SNAPHAT SOIC
- Keyed insertion to ensure proper assembly
- Removable for Compatible With and proper disposal
Compatible Equipment / Applications:
- Real-time clock (RTC) and supervisor modules in embedded microcontroller systems.
- Non-volatile memory backup systems and data-logging devices requiring uninterrupted clock function.
- Telecommunications equipment and IoT edge gateways where small-form backup modules are essential.
- Automotive electronic control units (ECUs) using SNAPHAT®-style modules for time/date/data retention.
- Embedded PC-board designs requiring a reliable battery + crystal top with minimal footprint and post-reflow installation.
| Width | 0.68 |
|---|---|
| Height | 0.28 |
| Length | 0.83 |
| Condition | New |
| Brand | ST Microelectronics |
| Chemistry | Lithium |
| Output Voltage | 2.8 |
| Amperage | 120 |
| Rechargeable | No |
| Watts | W |
| Warranty | 3 Year Manufacturer Warranty |
| Special Notes | Before purchasing, please be advised that it is recommended to replace your original battery pack with that of the same chemistry. This battery may require a skilled installer or special tools to replace. For skilled end users only. This battery may require soldering and special tools to replace. For skilled end users only. Extended battery packs may require an extra cover that will accommodate its size. |
| Voltage | V |
