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ONSEMI MMBZ5251BLT1G Zener Regulator

This series of surface-mount Zener diodes in a compact SOT-23 package offers precise voltage regulation with a power rating of 225 mW. They feature a Zener voltage range from 2.4 V to 91 V, making them ideal for cellular phones, portable devices, and high-density circuit boards. Built for automated assembly, these devices comply with RoHS standards and are Pb-free and halogen-free. Their corrosion-resistant finish ensures durability, and their small size allows high-density placements on demanding electronic circuits. They are suitable for automotive and industrial applications requiring reliable voltage regulation in limited space.

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Source:Newark
Part No:MMBZ5251BLT1G
Stock:9187
Inv Date:06-10-2026
Price: Unit price: $0.124
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Source:DigiKey
Part No:MMBZ5251BLT1G
Stock:246
Inv Date:06-10-2026
Price: Unit price: $0.17
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Part No:MMBZ5251BLT1G
Stock:25179
Inv Date:06-11-2026
Price: Unit price: $0.17
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Part No:MMBZ5251BLT1G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.1
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Part No:MMBZ5251BLT1G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0176
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Part No:MMBZ5251BLT1G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0176
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Part No:MMBZ5251BLT1G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0233
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Part No:MMBZ5251BLT1G
Stock:15000
Inv Date:06-11-2026
Price: N/A
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ONSEMI MMBZ5251BLT1G Zener Regulator Specifications:

  • Package: SOT-23
  • Power Dissipation: 225 mW on FR-5 board, 300 mW on alumina substrate
  • Zener Voltage Range: 2.4 V to 91 V
  • Maximum Case Temperature for Soldering: 260°C for 10 seconds
  • Operating Temperature Range: -65°C to +150°C
  • Thermal Resistance, Junction-to-Ambient: 556 °C/W (plastic case), 47 °C/W (ceramic substrate)
  • Material: Transfer-molded plastic case with corrosion-resistant finish
  • Polarity: Cathode indicated by polarity band
  • ESD Rating: Class 3 (> 16 KV), per Human Body Model
  • Compliance: RoHS, Pb-free, Halogen Free, BFR Free
  • Mounting: Surface-mount in tape and reel packaging, rated for automated assembly
  • Maximum Junction Temperature: Not specified, operating limits apply

Buy the ON Semiconductor Series Zener Voltage Regulator: MMBZ5251BLT1G

Purchase the ON Semiconductor Zener Regulator in SOT-23 package today and enjoy reliable voltage regulation for your mobile, automotive, or industrial applications. Designed for compact high-density circuits, these diodes are ideal for cellular phones, portable devices, and high-reliability circuits. They feature a wide Zener voltage range from 2.4 V to 91 V, with a power rating of 225 mW, ensuring long-lasting performance. Their Pb-free, RoHS compliant construction guarantees eco-friendly manufacturing, and their robust corrosion-resistant finish adds durability. Order now to ensure your projects meet demanding specifications with ease and precision.

Get ON Semiconductor MMBZ5251BLT1G today—built for precise voltage regulation with high reliability for your portable and high-density electronic circuits.

Frequently Asked Questions

Where can I buy ONSEMI MMBZ5251BLT1G?

You can click on the BUY or RFQ button to purchase MMBZ5251BLT1G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MMBZ5251BLT1G?

You can download the MMBZ5251BLT1G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MMBZ5251BLT1G?

ONSEMI

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