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ONSEMI MMBZ5259BLT1G Zener Diode

The MMBZ5259BLT1G is a zener diode offering precise voltage regulation in a small SOT-23 package, ideal for high-density PCB designs and portable devices. It features a zener voltage of 39 V, power dissipation of 225 mW, and a wide temperature range from -65°C to +150°C. Designed for ease of automated assembly, it is RoHS compliant, halogen-free, and designed for reliable performance in automotive and industrial applications, offering low leakage current, high impedance, and robust thermal characteristics for stable voltage regulation.

Authorized Distributors
Source:Newark
Part No:MMBZ5259BLT1G
Stock:7785
Inv Date:06-10-2026
Price: Unit price: $0.103
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Part No:MMBZ5259BLT1G
Stock:12574
Inv Date:06-11-2026
Price: Unit price: $0.17
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Part No:MMBZ5259BLT1G
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.12
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Part No:MMBZ5259BLT1G
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.0352
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Part No:MMBZ5259BLT1G
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.0352
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Part No:MMBZ5259BLT1G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0214
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Source:Arrow EU
Part No:MMBZ5259BLT1G
Stock:57000
Inv Date:06-11-2026
Price: N/A
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Part No:MMBZ5259BLT1G
Stock:47299
Inv Date:06-11-2026
Price: N/A
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ONSEMI MMBZ5259BLT1G Zener Diode Specifications:

  • Package: SOT-23 (TO-236)
  • Maximum Power Dissipation: 225 mW on FR-5 board, 300 mW on alumina substrate
  • Zener Voltage Range: 2.4 V to 91 V
  • Maximum Junction Temperature: +150°C
  • Operating Temperature Range: -65°C to +150°C
  • Thermal Resistance Junction-to-Ambient: 556 °C/W (FR-5), 47 °C/W (alumina)
  • Case Material: Transfer-molded thermosetting plastic
  • Polarity: Cathode marked with a polarity band
  • Features: ESD Class 3 (>16 KV), RoHS, halogen and BFR free

Buy the Buy ON Semiconductor Zener Voltage Regulator Part Number MMBZ5259BLT1G Online

Order the ON Semiconductor MMBZ5259BLT1G zener diode online for stable voltage regulation in portable, automotive, and industrial electronic devices. This small SOT-23 package provides a reliable 39 V zener voltage with a 225 mW power dissipation, ensuring consistent performance under wide temperature ranges. Designed for high-density PCB integration, it is RoHS compliant and halogen-free, making it ideal for environmentally conscious applications. Improve your circuit's stability with this robust, easy-to-automate surface-mount component—purchase now for quick delivery and quality assurance.

Get ON Semiconductor MMBZ5259BLT1G today—built for precise voltage regulation in high-density applications and automotive reliability.

Frequently Asked Questions

Where can I buy ONSEMI MMBZ5259BLT1G?

You can click on the BUY or RFQ button to purchase MMBZ5259BLT1G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MMBZ5259BLT1G?

You can download the MMBZ5259BLT1G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MMBZ5259BLT1G?

ONSEMI

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