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M40Z111MH6 from ST,ST Microelectronics

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M40Z111MH6

Manufacturer: ST, STM

NVRAM CONTROLLER FOR UP TO TWO LPSRAM
Partnumber Manufacturer Quantity Availability
M40Z111MH6 ST, STM 285 In Stock

Description and Introduction

NVRAM CONTROLLER FOR UP TO TWO LPSRAM The **M40Z111MH6** is a **3.3V Zener diode** manufactured by **STMicroelectronics (ST)**.  

### **Key Specifications:**  
- **Voltage (Vz):** 11V (nominal Zener voltage)  
- **Power Dissipation (Pd):** 1W  
- **Tolerance:** ±5%  
- **Package:** DO-41 (axial leaded)  
- **Operating Temperature Range:** -65°C to +175°C  
- **Forward Voltage (Vf):** 1.2V (typical at 200mA)  
- **Zener Impedance (Zzt):** 10Ω (typical at Izt = 41mA)  

### **Description & Features:**  
- Designed for **voltage regulation** and **overvoltage protection** in circuits.  
- **Low leakage current** in reverse bias.  
- **High reliability** with robust construction.  
- Suitable for **general-purpose applications** in power supplies, automotive, and industrial electronics.  

This diode is commonly used in **voltage clamping, surge suppression, and reference voltage circuits**.  

Would you like additional details on any specific parameter?

Application Scenarios & Design Considerations

NVRAM CONTROLLER FOR UP TO TWO LPSRAM

Alternative Part Number

  • DS1307Z+ --: I2C real-time clock with battery-backed SRAM, functionally similar to the M40Z111 timekeeper, widely available and pin-compatible in SOIC-8.
  • PCF8563T --: Low-power I2C real-time clock/calendar with similar timekeeping function, common alternative when the original ST timekeeper is unavailable.
  • BQ3285S --: Real-time clock with embedded battery-backed SRAM, comparable role to the M40Z111 module and available in SOIC package.
  • DS1312 --: Nonvolatile SRAM controller with lithium cell monitoring, functionally similar to the M40Z111 supervisory function and often used as a cross-reference replacement.
  • BQ2201 --: SRAM nonvolatile controller with battery backup switching, comparable role to the M40Z111 in battery-backed memory systems.
  • M48Z02 --: ZEROPOWER nonvolatile SRAM module from the same vendor family, offering integrated battery backup for memory retention as an alternative approach.

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