• MMSZ5265BT1G SOD-123
MMSZ5265BT1G SOD-123


The MMSZ5265BT1G is a Zener diode designed for a Zener voltage of 62V and capable of dissipating up to 500mW of power, packaged in the SOD-123 format


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Overview of MMSZ5265BT1G

The MMSZ5265BT1G is a Zener diode with a voltage of 30V and a power dissipation of 500mW. It is designed to provide voltage regulation and protection in various electronic circuits, ensuring stable operation within specified voltage limits.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • Anode: Positive terminal of the Zener diode
  • Cathode: Negative terminal of the Zener diode

Circuit Diagram

Include a circuit diagram showing the application of the MMSZ5265BT1G Zener diode for voltage regulation and protection.

Key Features

  • Zener Voltage: 30V Zener voltage for effective voltage regulation.
  • Power Dissipation: 500mW power dissipation capability for heat management.
  • Small Package: Available in a compact SOD-123 package for space-saving designs.
  • Wide Operating Temperature Range: Operates effectively within a temperature range of -65°C to +150°C.
  • Low Leakage Current: Low leakage current characteristics for efficient performance.

Note: For detailed technical specifications, please refer to the MMSZ5265BT1G datasheet.


  • Voltage Regulation: Ideal for providing voltage regulation in electronic circuits.
  • Overvoltage Protection: Used for protecting sensitive components from voltage spikes and overvoltage conditions.
  • Signal Clipping: Employed for signal clipping and limiting applications in signal processing circuits.


The MMSZ5265BT1G Zener diode regulates voltage by conducting in the reverse-biased direction when the voltage reaches the Zener breakdown voltage, maintaining a constant voltage across its terminals.

Usage Guide

  • Orientation: Connect the anode of the Zener diode to a higher potential than the cathode.
  • Regulation: Ensure that the voltage across the Zener diode remains within its specified voltage range for optimal regulation.
  • Protection: Use the Zener diode to protect sensitive components from voltage transients and overvoltage conditions.

Frequently Asked Questions

Q: What is the Zener voltage tolerance of the MMSZ5265BT1G?
A: The MMSZ5265BT1G Zener diode typically has a tolerance of +/-5% on its Zener voltage.

Q: Can the MMSZ5265BT1G handle transient voltage spikes?
A: Yes, the MMSZ5265BT1G is designed to clamp transient voltage spikes and limit overvoltage conditions to protect connected components.


For similar functionalities, consider these alternatives to the MMSZ5265BT1G:

  • 1N5226B: A 3.3V Zener diode with comparable power dissipation and voltage regulation characteristics.
  • BZX84C30: This Zener diode offers a 30V breakdown voltage and similar power dissipation in a different package type.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Status Active Compliance PbAHP
Package Type SOD-123 Case Outline 425-04
MSL Type 1 MSL Temp (°C) 260
Container Type REEL Container Qty. 3000
ON Target N VZ Typ (V) 62
P Max (W) 0.5 Pricing ($/Unit) $0.0233

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