The M4ZXX-BR00SH ZEROPOWER SNAPHAT (Battery) provides battery backup power for non-volatile ZEROPOWERs and controllers in the SNAPHAT SOIC package
The M4ZXX-BROOSH SNAPHAT is a detachable lithium battery designed for ST's non‑volatile ZEROPOWER 28‑pin SOIC packages. It provides backup power while avoiding exposure to the high temperatures of surface‑mount processes. The battery is available in 48 mAh (M4Z28) and 120 mAh (M4Z32) capacities and can be snapped onto the SOIC after assembly.
The document details mechanical dimensions, electrical contacts, UL recognition (File No. E89556), and handling instructions. It also includes ordering information, package outlines, and cautions for removal and disposal.
| Nominal Battery Voltage | 2.0 V |
|---|---|
| Battery Capacity | 48 mAh (M4Z28) / 120 mAh (M4Z32) |
| Operating Temperature Range | 0 °C to 70 °C |
| Storage Temperature Range | -40 °C to 85 °C |
The SNAPHAT is intended to be inserted and extracted only once in its lifetime; after a few cycles the extraction force stabilizes.
A DIP/IC extractor tool should be used to remove the SNAPHAT top for replacement.
The component is recognized by UL under file number E89556.
Two capacities are offered: 48 mAh (part number M4Z28‑BROOSH) and 120 mAh (part number M4Z32‑BROOSH).