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ONSEMI MMSZ5231BT3G Voltage Regulator Diode

These 500 mW surface mount Zener diodes in the SOD-123 package provide a reliable voltage regulation solution for industrial and electronic applications. Designed for high-density circuit boards, they feature a wide reverse voltage range from 2.4 V to 110 V, conform to UL 94 V-0 flammability standards, and are Pb-free. Suitable for automotive and general purpose use, they offer a thermal and mechanical robustness with a maximum junction temperature of +150°C and corrosion-resistant finish. Ideal for voltage regulation, voltage referencing, and overvoltage protection in compact, automated electronic designs.

Authorized Distributors
Source:Newark
Part No:MMSZ5231BT3G
Stock:4776
Inv Date:06-10-2026
Price: Unit price: $0.117
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Source:DigiKey
Part No:MMSZ5231BT3G
Stock:60000
Inv Date:06-10-2026
Price: Unit price: $0.02
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Source:DigiKey
Part No:MMSZ5231BT3G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.17
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Part No:MMSZ5231BT3G
Stock:19926
Inv Date:06-11-2026
Price: Unit price: $0.15
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Part No:MMSZ5231BT3G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0229
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Part No:MMSZ5231BT3G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0229
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Part No:MMSZ5231BT3G
Stock:2302
Inv Date:06-11-2026
Price: N/A
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ONSEMI MMSZ5231BT3G Voltage Regulator Diode Specifications:

  • Power Rating: 500 mW
  • Package: SOD-123 surface mount
  • Maximum Soldering Temperature: 260°C for 10 seconds
  • Polarity: Cathode indicated by polarity band
  • Mechanical Case: Void-free, transfer-molded plastic
  • Finish: Corrosion resistant, solderable
  • Flammability: UL 94 V-0
  • Maximum Junction Temperature: +150°C
  • Reverse Voltage Range: 2.4 V to 110 V
  • Tolerance Options: ±2%, ±5%
  • Thermal Resistance, Junction-to-Ambient: 340°C/W
  • Operations Temperature Range: -85°C to +150°C
  • ESD Rating: Class 3 (>16 kV)

Buy the ON Semiconductor MMSZ5231BT3G – Reliable Zener Voltage Regulators for Industrial Applications

Purchase the ON Semiconductor Series MMSZ5231BT3G Zener diode online today to ensure your electronic projects benefit from high power stability, automotive-grade reliability, compact design, and wide voltage options. Perfect for industrial, automotive, and general-purpose applications, these Pb-Free devices offer excellent thermal and mechanical robustness, making them ideal for automated assembly and high-density circuit boards. Secure reliable voltage regulation and overvoltage protection with our high-quality surface mount diodes, available for immediate online ordering.

Order your ON Semiconductor Series MMSZ5231BT3G high-density surface mount Zener diode today and provide your circuits with dependable voltage regulation and overvoltage protection.

Frequently Asked Questions

Where can I buy ONSEMI MMSZ5231BT3G?

You can click on the BUY or RFQ button to purchase MMSZ5231BT3G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MMSZ5231BT3G?

You can download the MMSZ5231BT3G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MMSZ5231BT3G?

ONSEMI

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