What are the key features of ON Semiconductor MMSZ5242B?

This product belongs to the General Purpose Semiconductors category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by ON Semiconductor with full traceability.

What are the main application scenarios for MMSZ5242B?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

How does MMSZ5242B work?

This device follows established General Purpose Semiconductors design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of MMSZ5242B?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for MMSZ5242B?

The global General Purpose Semiconductors market is growing at ~6-8% CAGR, with particularly strong demand in power management. ON Semiconductor MMSZ5242B is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of MMSZ5242B?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, ON Semiconductor provides full technical support and reference designs.

MMSZ5242B DIODE ZENER 12V 500MW SOD123 by ON Semiconductor

MMSZ5242B | ON Semiconductor DIODE ZENER 12V 500MW SOD123

Category: General Purpose Semiconductors

Brand: ON Semiconductor

DIODE ZENER 12V 500MW SOD123

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: DIODE ZENER 12V 500MW SOD123

Technical Parameters

Application	Voltage Regulation
Brand	Fairchild Semiconductor
Composition	Silicon
Data Tier	Family Level
ECCN	EAR99
Forward Voltage	0.9 V (Typ)
Halogen Free	Yes
Mounting Type	Surface Mount
Operating Temperature	-65 to +150 C
Package / Case	SOD-123
Packaging	Tape & Reel
Power Rating	500 mW
Product Type	Zener Diode
REACH	Compliant
RoHS	Compliant
Series	MMSZ
Tolerance	+/-5%
Voltage - Zener (Nom)	12 V

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

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3D Model (.stp)

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DXF Drawing

MMSZ5242B Application and Selection Guide

MMSZ5242B Model and Manufacturer Information

MMSZ5242B, a General Purpose Semiconductors manufactured by Fairchild Semiconductor: MMSZ5242B helps you confirm the specific model, while Fairchild Semiconductor helps you confirm the product source. If you are selecting a part, you can first check whether MMSZ5242B meets your requirements, then check whether Fairchild Semiconductor matches your expectations, and then refer to DIODE ZENER 12V 500MW SOD123 for further evaluation.

MMSZ5242B Product Parameters and Description

The main parameters of Fairchild Semiconductor's General Purpose Semiconductors product MMSZ5242B include DIODE ZENER 12V 500MW SOD123. This is a General Purpose Semiconductors produced by Fairchild Semiconductor, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

MMSZ5242B Application and Selection Reference

Fairchild Semiconductor's General Purpose Semiconductors product MMSZ5242B has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, MMSZ5242B is a General Purpose Semiconductors solution worth considering, and manufacturer Fairchild Semiconductor provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for MMSZ5242B

Designers looking for MMSZ5242B recommended parts can evaluate the following options. MMSZ5242B selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
NSVBSS63LT1G	ON Semiconductor	TRANS PNP 100V 0.1A SOT-23
SZ1SMB5918BT3G	ON Semiconductor	DIODE ZENER 5.1V 3W SMB
NZ9F5V1T5G	ON Semiconductor	DIODE ZENER 5.1V 200MW SOD923

EZKEY can provide MMSZ5242B recommended part comparison data and engineering samples for evaluation.