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ONSEMI MM3Z3V9B Voltage Regulator Diode

The MM3Z3V9B is a high-quality, ultra-small SMD Zener diode designed for precise voltage regulation in compact electronic circuits. Featuring a Zener voltage of 3.9 V with a tolerance of +2%, this Pb-free device is ideal for surface-mount applications requiring reliable voltage regulation, low power dissipation, and excellent thermal stability. Its small form factor and matte tin finish enable easy assembly and excellent solderability. Suitable for use in voltage reference, surge suppression, and circuit protection in various industrial and consumer electronics.

Authorized Distributors
Source:Newark
Part No:MM3Z3V9B
Stock:2248
Inv Date:06-10-2026
Price: Unit price: $0.247
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Source:DigiKey
Part No:MM3Z3V9B
Stock:22060
Inv Date:06-10-2026
Price: Unit price: $0.24
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Part No:MM3Z3V9B
Stock:53234
Inv Date:06-11-2026
Price: Unit price: $0.24
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Part No:MM3Z3V9B
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0529
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Part No:MM3Z3V9B
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0529
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Part No:MM3Z3V9B
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.0375
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Part No:MM3Z3V9B
Stock:252
Inv Date:06-11-2026
Price: N/A
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ONSEMI MM3Z3V9B Voltage Regulator Diode Specifications:

  • Package Type: SOD-323FL
  • Maximum Power Dissipation: 200 mW
  • Maximum Junction Temperature: 150°C
  • Storage Temperature Range: -65°C to +150°C
  • Thermal Resistance, Junction to Ambient: 595 °C/W
  • Zener Voltage (Vz): 3.9 V (Nominal), +2% tolerance
  • Maximum Zener Impedance (Zz): Derived from datasheet performance
  • Forward Voltage (Vf): approximately 1.0 V at 10 mA
  • Material: Silicon, Pb-Free, Matte Tin Finish
  • Operating Temperature Range: -65°C to +150°C
  • Recognition: Small form factor ideal for surface-mount applications

Buy the ON Semiconductor MM3Z3V9B – Reliable Zener Diode for Industrial Applications

Enhance your electronic projects with the ON Semiconductor MM3Z3V9B voltage regulator diode. Its compact SMD package and high thermal stability ensure reliable performance in industrial and consumer electronics. Designed with a 3.9 V Zener voltage and +2% tolerance, this Pb-free device offers excellent voltage stabilization and surge suppression capabilities. Perfect for circuit protection, voltage references, and power management, it’s an essential component for designing durable, efficient, and compact electronic systems. Order online today for fast, secure delivery and seamless integration into your designs.

Get ON Semiconductor MM3Z3V9B today—built for precision voltage regulation and long-lasting durability.

Frequently Asked Questions

Where can I buy ONSEMI MM3Z3V9B?

You can click on the BUY or RFQ button to purchase MM3Z3V9B from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part MM3Z3V9B?

You can download the MM3Z3V9B datasheet or visit the ONSEMI website for support.

Who is the manufacturer of MM3Z3V9B?

ONSEMI

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