What is MMBZ18VALT1G?
MMBZ18VALT1G is a TVS - Diodes component from ON Semiconductor. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
TVS DIODE 14.5V 25V SOT23-3

Pictures are for reference only. Please contact us for the latest pictures.
Key specifications
Serise
-
Min Quantity
1
Category
Circuit ProtectionSub Categroy
TVS - DiodesDescription
TVS DIODE 14.5V 25V SOT23-3
key Attributes
-
Technical document
Review the latest datasheet for MMBZ18VALT1G from ON Semiconductor in a separate tab so engineers and buyers can check package, electrical characteristics, and application details without leaving this product page.
Why request a quote
Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.
Trust signals
Globally recognized certifications
Visible certifications work best when they are paired with clear operational promises around traceability, handling, and inspection.
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
Authenticity Verification
CoC Available on Request
Pre-Shipment Inspection
Responsive RFQ Support
Why buyers trust this sourcing flow
Our quality workflow is designed to reduce counterfeit risk and support confident procurement. Components are reviewed through documented handling and inspection steps so buyers can evaluate sourcing with stronger authenticity controls.
Structured product content
Jump between overview, specs, and related sourcing content without scanning one long uninterrupted page.
Product overview
The MMBZ18VALT1G is a Zener diode manufactured by ON Semiconductor, designed for voltage regulation and protection applications. This component is part of the MMBZ series, which is known for its reliability and performance in various electronic circuits.
Zener Voltage: The MMBZ18VALT1G has a nominal Zener voltage of 18V, which makes it suitable for applications requiring voltage clamping or regulation around this value.
Power Dissipation: It has a maximum power dissipation rating of 500 mW, allowing it to handle moderate power levels without overheating.
Package Type: The diode is housed in a small SOT-23 package, which is a surface-mount technology (SMT) package. This compact size makes it ideal for space-constrained applications, such as in portable devices or densely packed circuit boards.
Temperature Range: The operating temperature range for the MMBZ18VALT1G is typically from -55°C to +150°C, making it suitable for a wide variety of environmental conditions.
Low Leakage Current: The device features low reverse leakage current, which is beneficial for maintaining efficiency in circuits where the Zener diode is used for voltage regulation.
Fast Response Time: The diode is designed for fast response times, which is crucial in applications where quick voltage regulation is necessary.
Applications: Common applications for the MMBZ18VALT1G include voltage regulation, over-voltage protection, and clamping in power supplies, automotive electronics, and consumer electronics.
The MMBZ18VALT1G from ON Semiconductor is a versatile and reliable Zener diode that offers excellent performance for voltage regulation and protection in a compact package. Its combination of low leakage, fast response, and wide operating temperature range makes it a popular choice among engineers for various electronic applications.
Full technical breakdown
Review grouped attributes and parameters without scanning one oversized table.
Fast scan
Product Attribute
Part Status
Active
Product Attribute
REACH Status
REACH Unaffected
Product Attribute
ECCN
EAR99
Product Attribute
Lead Free
Lead Free
Product Attribute
Mounting Type
Surface Mount
Product Attribute
Published
2007
Common questions
Quick answers for buyers reviewing MMBZ18VALT1G, stock, documentation, and sourcing steps.
MMBZ18VALT1G is a TVS - Diodes component from ON Semiconductor. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
MMBZ18VALT1G is listed with package reference SOT23. The current product description is TVS DIODE 14.5V 25V SOT23-3, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
This page currently shows 35081 units in stock and 32116 units available for MMBZ18VALT1G. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for MMBZ18VALT1G by ON Semiconductor. The TrustCompo team can review price, availability, and documentation support.
Yes. This page links to the datasheet for MMBZ18VALT1G by ON Semiconductor, so engineers and buyers can review package, ratings, and application details before purchase.
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for MMBZ18VALT1G before approving the order.
TVS - Diodes
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.

TVS DIODE 12.8V 21.2V SOT23-3

TVS DIODE 22V 40V SOT23-3

TVS DIODE 5V 15.5V SC74

TVS DIODE 5V 9.8V SOT23-3

TVS DIODE 12V 25.3V SMA

TVS DIODE 5.5V 10V SOT563
More sourcing insights
Jun 25, 2026
A practical MOSFET selection guide for power design teams covering voltage class, Rds(on), gate charge, package thermal limits, and sourcing-safe alternative logic.
Jun 19, 2026
2026 Vishay, Onsemi and Infineon power MOSFET shortage buyer framework: part-family risk matrix, datasheet-verified alternatives, and three procurement actions to act on before Infineon's July price increase.
Jun 15, 2026
A 2026 buyer-facing guide to Samsung MLC NAND EOL risk, low-capacity eMMC shortage exposure, raw NAND alternatives, and pSLC migration strategies for industrial OEMs.
