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Manufacturer Part #


MMSZ5240BT1 Series 500 mW 10 mA 10 V SMT Zener Voltage Regulator - SOD-123

ECAD Model:
Mfr. Name: ON Semiconductor
Standard Pkg:
Date Code: 1931
Product Specification Section
Technical Attributes
Attributes Table
Working Voltage-Nom: 10V
Power Dissipation: 500mW
Forward (Drive) Current: 10mA
Forward Voltage: 0.9V
Reverse Current-Max: 3µA
Package Style:  SOD-123
Mounting Method: Surface Mount
Features & Applications

The MMSZ5240 series zener diode voltage regulator is offered in the convenient, surface mount plastic SOD-123 package. This device provides a convenient alternative to the leadless 34 package style.


  • 500 mW Rating on FR-4 or FR-5 Board
  • Wide Zener Reverse Voltage Range - 2.4 V to 110 V
  • Package Designed for Optimal Automated Board Assembly
  • Small Package Size for High Density Applications
  • General Purpose, Medium Current
  • ESD Rating of Class 3 (exceeding 16 kV) per the Human Body Model Mechanical Characteristics:
  • Case: Void-free, transfer-molded, thermosetting plastic case
  • Finish: Corrosion resistant finish, easily solderable
  • Maximum Case Temperature for Soldering Purposes: 260º C for 10 Seconds
  • Polarity: Cathode indicated by polarity band
  • Flammability Rating: UL94 V-0
  • Pb-Free Packages are Available

View the complete MMSZ524x series Zener Voltage Regulator

Pricing Section
Global Stock:
Cost Per Unit
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Tariff charges may apply if shipping to the United States. An estimate of tariff charges will be calculated at checkout.
Web Price:
$0.205 USD Each

$7.00 reeling fee is amortized over the number of components for each reel.
Mini-Reels are a custom product and are non-cancelable and non-returnable.