MMSZ4689-HE3-18
Product Overview
Category
The MMSZ4689-HE3-18 belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Zener voltage: 18V
- Power dissipation: 500mW
- Package type: SOD-123
- RoHS compliant
Packaging/Quantity
The MMSZ4689-HE3-18 is typically available in tape and reel packaging with a quantity of 3000 units per reel.
Specifications
- Zener voltage: 18V
- Power dissipation: 500mW
- Forward voltage: 1.5V
- Reverse current: 5μA
- Operating temperature range: -65°C to +150°C
Detailed Pin Configuration
The MMSZ4689-HE3-18 has three pins: 1. Anode 2. Cathode 3. No connection (NC)
Functional Features
- Precise voltage regulation
- Overvoltage protection
- Compact SOD-123 package
- Low reverse leakage current
Advantages
- High reliability
- Small form factor
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitive to temperature variations
Working Principles
The MMSZ4689-HE3-18 operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased.
Detailed Application Field Plans
The MMSZ4689-HE3-18 is widely used in various applications including: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting
Detailed and Complete Alternative Models
Some alternative models to the MMSZ4689-HE3-18 include: - BZX84C18 - 1N4746A - BZT52C18
In conclusion, the MMSZ4689-HE3-18 Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for a wide range of electronic applications.
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技術ソリューションにおける MMSZ4689-HE3-18 の適用に関連する 10 件の一般的な質問と回答をリストします。
What is the MMSZ4689-HE3-18?
- The MMSZ4689-HE3-18 is a surface mount Zener diode designed for voltage regulation and overvoltage protection in various technical solutions.
What is the voltage rating of the MMSZ4689-HE3-18?
- The MMSZ4689-HE3-18 has a nominal voltage of 6.8V, making it suitable for applications requiring voltage clamping or regulation at this level.
What are the typical applications of the MMSZ4689-HE3-18?
- Typical applications include voltage regulation in power supplies, overvoltage protection in electronic circuits, and voltage reference in precision instruments.
What is the power dissipation capability of the MMSZ4689-HE3-18?
- The MMSZ4689-HE3-18 has a power dissipation rating of 500mW, allowing it to handle moderate levels of power in various technical solutions.
What is the maximum current that the MMSZ4689-HE3-18 can handle?
- The MMSZ4689-HE3-18 is capable of handling a maximum continuous current of 40mA, making it suitable for low-power applications.
Is the MMSZ4689-HE3-18 RoHS compliant?
- Yes, the MMSZ4689-HE3-18 is RoHS compliant, ensuring its compatibility with modern environmental regulations.
What is the temperature coefficient of the MMSZ4689-HE3-18?
- The MMSZ4689-HE3-18 has a low temperature coefficient, typically around +0.075%/°C, ensuring stable performance across a wide temperature range.
Can the MMSZ4689-HE3-18 be used in automotive applications?
- Yes, the MMSZ4689-HE3-18 is suitable for use in automotive electronics, providing reliable voltage regulation and overvoltage protection in vehicle systems.
Does the MMSZ4689-HE3-18 require any external components for operation?
- The MMSZ4689-HE3-18 can be used independently for basic voltage regulation and overvoltage protection, but additional circuitry may be required for specific applications.
Where can I find detailed specifications and application notes for the MMSZ4689-HE3-18?
- Detailed specifications and application notes for the MMSZ4689-HE3-18 can be found in the product datasheet provided by the manufacturer or distributor.