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ONSEMI MMSZ5257BT1G Zener Voltage Regulator

The product is a high-performance Zener voltage regulator in a compact SOD-123 surface mount package, offering a 500 mW power rating and a wide reverse voltage range from 2.4 V to 110 V. Designed for reliable and automated high-density circuit assembly, it features corrosion-resistant finish, UL 94 V-0 flammability rating, and is Pb-Free compliant. Suitable for general purpose and automotive applications, it provides precise voltage regulation with low zener impedance and excellent thermal stability, ideal for voltage reference and suppression functions in demanding electronic devices.

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Source:Newark
Part No:MMSZ5257BT1G
Stock:3335
Inv Date:06-10-2026
Price: Unit price: $0.013
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Source:DigiKey
Part No:MMSZ5257BT1G
Stock:79776
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Price: Unit price: $0.03033
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Part No:MMSZ5257BT1G
Stock:27867
Inv Date:06-11-2026
Price: Unit price: $0.17
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Part No:MMSZ5257BT1G
Stock:0
Inv Date:06-10-2026
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Part No:MMSZ5257BT1G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0257
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Part No:MMSZ5257BT1G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0257
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Part No:MMSZ5257BT1G
Stock:450000
Inv Date:06-10-2026
Price: Unit price: $0.0231
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Part No:MMSZ5257BT1G
Stock:1712
Inv Date:06-11-2026
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ONSEMI MMSZ5257BT1G Zener Voltage Regulator Specifications:

  • Package: SOD-123
  • Power Rating: 500 mW on FR-4 or FR-5 Board
  • Zener Voltage Range: 2.4 V to 110 V at thermal equilibrium
  • Maximum Soldering Temperature: 260°C for 10 seconds
  • Polarity: Cathode indicated by polarity band
  • Maximum Case Temperature: 260°C for soldering
  • Operating Temperature Range: -85°C to +150°C
  • Junction-to-Ambient Thermal Resistance: 340°C/W
  • Junction-to-Lead Thermal Resistance: 150°C/W
  • Flammability Rating: UL 94 V-0
  • ESD Rating: Class 3 (>16 kV)
  • Built for Automated Assembly, Small Package Size
  • Lead-Free and Automotive Qualified (AEC-Q101, PPAP Capable)

Buy the Buy ON Semiconductor Zener Voltage Regulators Part Number MMSZ5257BT1G Online

Purchase the ON Semiconductor Zener voltage regulator MMSZ5257BT1G online today. This compact SOD-123 package offers a power rating of 500 mW and a wide reverse voltage range from 2.4 V to 110 V, ensuring reliable voltage regulation. Designed for automated high-density circuit assembly, it features corrosion resistance, UL 94 V-0 flammability rating, and is Pb-Free compliant. Ideal for automotive, industrial, and general-purpose electronics, this device provides low zener impedance, excellent thermal stability, and long-lasting performance for your critical electronic designs.

Get ON Semiconductor MMSZ5257BT1G today—built for precise voltage regulation and long-lasting durability in high-density electronic applications.

Frequently Asked Questions

Where can I buy ONSEMI MMSZ5257BT1G?

You can click on the BUY or RFQ button to purchase MMSZ5257BT1G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MMSZ5257BT1G?

You can download the MMSZ5257BT1G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MMSZ5257BT1G?

ONSEMI

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