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ONSEMI MMSZ5231BT1G Voltage Regulator

The MMSZ5231BT1G is a surface-mount Zener diode rated for 500 mW in the SOD-123 package, offering a wide reverse voltage range from 2.4 V to 110 V. Designed for high-density, automated assembly, it features robust mechanical construction, corrosion resistance, and is suitable for general purpose voltage regulation and transient suppression. This device complies with UL 94 V-0 flammability standards, has a maximum soldering temperature of 260°C for 10 seconds, and includes classifications such as Class 3 ESD rating and Pb-Free certification. It is ideal for automotive, industrial, and consumer applications requiring reliable voltage regulation and protection.

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Source:Newark
Part No:MMSZ5231BT1G
Stock:8907
Inv Date:06-10-2026
Price: Unit price: $0.189
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Part No:MMSZ5231BT1G
Stock:515
Inv Date:06-11-2026
Price: Unit price: $0.21
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Part No:MMSZ5231BT1G
Stock:71129
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Part No:MMSZ5231BT1G
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Inv Date:06-11-2026
Price: Unit price: $0.07
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Part No:MMSZ5231BT1G
Stock:63000
Inv Date:06-11-2026
Price: Unit price: $0.0193
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Part No:MMSZ5231BT1G
Stock:63000
Inv Date:06-11-2026
Price: Unit price: $0.0193
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Part No:MMSZ5231BT1G
Stock:2724000
Inv Date:06-10-2026
Price: Unit price: $0.0249
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Part No:MMSZ5231BT1G
Stock:34329
Inv Date:06-11-2026
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ONSEMI MMSZ5231BT1G Voltage Regulator Specifications:

  • Package: SOD-123 surface mount
  • Power Rating: 500 mW on FR-4 or FR-5 board
  • Reverse Voltage Range: 2.4 V to 110 V @ Thermal Equilibrium
  • Maximum Soldering Temperature: 260°C for 10 seconds
  • Polarity: Cathode indicated by polarity band
  • Flammability Rating: UL 94 V-0
  • Mechanical Case: Void-free, transfer-molded, thermosetting plastic
  • Finish: Corrosion resistant, easily solderable
  • Maximum Junction Temperature: Not specified (industry standard assumed to be around 150°C)
  • ESD Rating: Class 3 (> 16 kV human body model)
  • Certification: Pb-Free, AEC-Q101 qualified, PPAP capable
  • Maximum Junction-to-Ambient Resistance: 340°C/W
  • Maximum Junction-to-Lead Resistance: 150°C/W
  • Storage Temperature Range: -55°C to +150°C

Buy the Buy ON Semiconductor Zener Voltage Regulators Part Number MMSZ5231BT1G Online

Purchase the ON Semiconductor MMSZ5231BT1G today for your voltage regulation needs. This high-quality surface-mount Zener diode offers a wide reverse voltage range from 2.4 V to 110 V, rated at 500 mW for high power dissipation. Its compact SOD-123 package ensures easy integration into high-density circuit boards. Designed for general purpose use, the device features corrosion-resistant finish, Pb-Free construction, UL 94 V-0 flammability rating, and a maximum soldering temperature of 260°C for 10 seconds. Ideal for automotive, industrial, and consumer electronics, it provides safety, reliability, and durability for voltage regulation and transient suppression tasks.

Get ON Semiconductor MMSZ5231BT1G today—high-performance surface-mount Zener diode designed for reliable voltage regulation and transient suppression in demanding applications.

Frequently Asked Questions

Where can I buy ONSEMI MMSZ5231BT1G?

You can click on the BUY or RFQ button to purchase MMSZ5231BT1G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MMSZ5231BT1G?

You can download the MMSZ5231BT1G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MMSZ5231BT1G?

ONSEMI

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