The MM3Z3V0C is a surface-mount Zener diode manufactured by Fairchild (now part of onsemi), designed to provide precise voltage regulation at 3V with a 5% tolerance in a compact SOD-323F package. This discrete semiconductor component falls within the Diodes - Zener - Single category and serves as a unidirectional voltage reference and protection device capable of dissipating up to 200 mW of power.
This Zener diode addresses critical design challenges in modern electronics where space constraints and reliable voltage regulation are paramount. The SOD-323F (SC-90) package offers an extremely small footprint ideal for high-density PCB layouts while maintaining robust performance across an extended operating temperature range of -65°C to 150°C, making it suitable for harsh environmental conditions. The device features a nominal Zener voltage of 3V with a maximum impedance of 89 Ohms at the test current, ensuring stable voltage regulation. Its forward voltage drop is specified at 1V maximum when conducting 10 mA, while reverse leakage current remains minimal at 9 µA when subjected to 1V reverse bias, demonstrating excellent blocking characteristics.
The primary advantages of this component include its compact surface-mount design that facilitates automated assembly processes, wide temperature tolerance for industrial and automotive applications, and reliable voltage clamping protection for sensitive circuits. The bulk packaging option makes it cost-effective for high-volume manufacturing. This Zener diode finds extensive application in voltage reference circuits, overvoltage protection schemes, voltage regulation in low-power systems, signal conditioning circuits, and as a protective element in battery-powered devices, communication equipment, consumer electronics, and automotive systems where 3V rail protection or reference is required.
Equivalent and alternative models available in the market include the BZX384-C3V0 from NXP, MMSZ5223B from various manufacturers, TZMC3V0 from Taiwan Semiconductor, 1SMB5913BT3G from onsemi, and the GDZJ3.0B from Goodwork. Other cross-compatible options include Diodes Incorporated's MMSZ5223B-7-F and Vishay's BZX384-C3V0, all offering similar 3V Zener voltage ratings in small surface-mount packages suitable for direct replacement in most applications.
MM3Z3V0C Key Technical Attributes
MM3Z3V0C
Zener Diode, 3V, 200mW
MM3Z3V0C Packing Size
This product is supplied in bulk with the SOD-323F (also known as SC-90) surface-mount package. The SOD-323F features a compact footprint optimized for automated PCB assembly, facilitating efficient high-density board designs. The package dimensions allow for space-saving integration, with pin configuration supporting straightforward soldering processes. Made from robust materials, the SOD-323F demonstrates effective electrical insulation and mechanical strength. The package also supports excellent thermal dissipation properties suitable for the rated power of 200 mW.
MM3Z3V0C Application
The MM3Z3V0C is widely used in voltage regulation, surge suppression, and reference voltage circuits. It is particularly ideal for portable and compact electronics, such as mobile devices, power adapters, low-voltage reference circuitry, and battery-powered equipment where space and power efficiency are critical.
MM3Z3V0C Features
The MM3Z3V0C is a single Zener diode devices characterized by a nominal Zener voltage of 3V, with a tolerance of ±5%, ensuring steady and precise voltage regulation. It accommodates a maximum power dissipation of 200 mW, suitable for low-power circuit designs. Thanks to its low forward voltage (maximum 1V at 10mA) and low reverse leakage (9µA at 1V), it ensures energy efficiency and minimal standby power loss. With a maximum dynamic impedance of 89 Ohms, it provides enhanced voltage stabilization under varying load conditions. The device is constructed for unidirectional functionality, which is particularly favorable for circuits needing precise one-way voltage clamping. Its wide operating temperature range from -65°C to 150°C ensures reliable performance even in harsh industrial and automotive environments.
MM3Z3V0C Quality and Safety Features
As a genuine product from Fairchild (onsemi), the MM3Z3V0C is manufactured following stringent semiconductor industry standards for reliability and durability. The diode’s surface mount design reduces the risk of physical and soldering defects, while its robust operating temperature range prevents thermal runaway and enhances operational safety. Quality assurance measures guarantee compliance with RoHS and other environmental safety protocols.
MM3Z3V0C Compatibility
Engineered for use on standard SOD-323F footprints, the MM3Z3V0C is compatible with a broad range of modern PCB layouts and soldering processes. Its electrical parameters make it an easy drop-in replacement or design-in choice for current-limited or voltage-managed circuit sections across consumer electronics, communications, and industrial control boards.
MM3Z3V0C Datasheet PDF
For the most comprehensive and up-to-date technical specifications, performance charts, and application guidance, customers are strongly encouraged to download the authoritative MM3Z3V0C datasheet provided on our website. The current page always hosts the latest and most reliable documentation direct from the manufacturer.
Quality Distributor
IC-Components is a premium stocking distributor of Fairchild (onsemi) products, ensuring every MM3Z3V0C Zener diode is 100% authentic and sourced through authorized supply channels. We guarantee rapid delivery, competitive pricing, and trusted service. Obtain an instant quote today on our website and empower your production with top-quality components from an industry-leading distributor!
