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ONSEMI MMSZ5221BT1G Voltage Regulator Diode

The MMSZ5221BT1 series is a surface-mount Zener diode designed for voltage regulation applications. It features a void-free transfer-moulded thermosetting plastic package, ideal for automated assembly and high-density circuit boards. The diode offers a power rating of 500mW on FR-4 or FR-5 substrates, with a Zener voltage range from 2.4V to 110V, making it suitable for a variety of voltage regulation needs. It provides reliable general-purpose, medium-current performance and has an ESD rating of Class 3 (greater than 16kV) according to the human body model. This device is primarily used in industrial applications.

Authorized Distributors
Source:Newark
Part No:MMSZ5221BT1G
Stock:2362
Inv Date:06-10-2026
Price: Unit price: $0.02
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Part No:MMSZ5221BT1G
Stock:1181
Inv Date:06-11-2026
Price: Unit price: $0.16
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Part No:MMSZ5221BT1G
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.08
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Part No:MMSZ5221BT1G
Stock:60000
Inv Date:06-11-2026
Price: Unit price: $0.0267
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Part No:MMSZ5221BT1G
Stock:60000
Inv Date:06-11-2026
Price: Unit price: $0.0267
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Part No:MMSZ5221BT1G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0212
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Source:Arrow EU
Part No:MMSZ5221BT1G
Stock:3000
Inv Date:06-11-2026
Price: N/A
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Part No:MMSZ5221BT1G
Stock:9949
Inv Date:06-11-2026
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ONSEMI MMSZ5221BT1G Voltage Regulator Diode Specifications:

  • Power Rating: 500 mW on FR-4 or FR-5 Board
  • Package: SOD-123, transfer-molded plastic
  • Maximum Soldering Temperature: 260°C for 10 seconds
  • Zener Voltage Range: 2.4 V to 110 V @ Thermal Equilibrium
  • Polarity: Cathode indicated by polarity band
  • ESD Rating: Class 3 (> 16 kV) Human Body Model
  • Maximum Junction Temperature: +150°C
  • Maximum Case Temperature for Soldering: 260°C for 10 seconds
  • Mechanical: Void-free case, corrosion-resistant finish
  • Thermal Resistance (Junction-to-Ambient): approximately 340°C/W

Buy the ON Semiconductor MMSZ5221BT1G – Reliable Zener Voltage Regulator for Industrial Applications

Purchase the ON Semiconductor MMSZ5221BT1G voltage regulator diode online today for high-density, reliable voltage regulation in industrial and electronic projects. Its 500mW power rating and wide Zener voltage range from 2.4V to 110V make it suitable for diverse voltage stabilization requirements. This surface-mount diode features a compact SOD-123 package, perfect for automated assembly and high-density circuit boards. With robust mechanical design, corrosion-resistant finish, and excellent thermal characteristics, it guarantees dependable operation in industrial applications. Order now to secure fast delivery and experience superior performance.

Get ON Semiconductor MMSZ5221BT1G today—built for precision, reliable voltage regulation, and long-lasting durability in industrial environments.

Frequently Asked Questions

Where can I buy ONSEMI MMSZ5221BT1G?

You can click on the BUY or RFQ button to purchase MMSZ5221BT1G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MMSZ5221BT1G?

You can download the MMSZ5221BT1G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MMSZ5221BT1G?

ONSEMI

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