MMSZ4691-HE3-18
Product Overview
Category
The MMSZ4691-HE3-18 belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Low leakage current
- High reliability
- Small package size
- Wide voltage range
Package
The MMSZ4691-HE3-18 is typically available in a SOD-123 surface mount package.
Essence
This Zener diode serves as a critical component in maintaining stable voltage levels within electronic devices.
Packaging/Quantity
It is usually packaged in reels with quantities varying based on manufacturer specifications.
Specifications
- Zener Voltage: 18V
- Power Dissipation: 500mW
- Forward Voltage: 1.5V
- Reverse Leakage Current: 5μA
- Operating Temperature Range: -65°C to 150°C
Detailed Pin Configuration
The MMSZ4691-HE3-18 typically has three pins, with the cathode connected to the ground and the anode connected to the input voltage source.
Functional Features
- Voltage regulation
- Overvoltage protection
- Stability in varying temperature conditions
Advantages
- Small form factor
- Precise voltage regulation
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitivity to reverse voltage spikes
Working Principles
The MMSZ4691-HE3-18 operates based on the principle of the Zener effect, where it maintains a constant voltage drop across its terminals when reverse biased.
Detailed Application Field Plans
Voltage Regulation
The diode can be used in power supply circuits to maintain a stable output voltage despite fluctuations in the input voltage.
Overvoltage Protection
It can be employed in electronic systems to protect sensitive components from damage due to excessive voltage spikes.
Signal Clipping
In audio applications, the diode can be utilized to clip or limit the amplitude of signals.
Detailed and Complete Alternative Models
- BZX84C18
- 1N4746A
- BZT52C18
In conclusion, the MMSZ4691-HE3-18 Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for various electronic applications. However, its limitations include a relatively low power dissipation capability and sensitivity to reverse voltage spikes. Understanding its working principles and detailed application field plans allows for effective integration into electronic circuits. Additionally, alternative models such as the BZX84C18, 1N4746A, and BZT52C18 provide flexibility in design and application.
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What is the MMSZ4691-HE3-18?
- The MMSZ4691-HE3-18 is a Zener diode designed for voltage regulation and protection in various technical solutions.
What is the voltage rating of the MMSZ4691-HE3-18?
- The MMSZ4691-HE3-18 has a nominal voltage of 12V, making it suitable for applications requiring voltage clamping or regulation at this level.
What are the typical applications of MMSZ4691-HE3-18?
- Typical applications include voltage regulation in power supplies, overvoltage protection in electronic circuits, and voltage reference in sensor interfaces.
What is the maximum power dissipation of MMSZ4691-HE3-18?
- The maximum power dissipation of the MMSZ4691-HE3-18 is typically around 500mW, ensuring its capability to handle transient power surges.
What is the operating temperature range of MMSZ4691-HE3-18?
- The MMSZ4691-HE3-18 is designed to operate within a temperature range of -65°C to 150°C, making it suitable for a wide range of environmental conditions.
How does MMSZ4691-HE3-18 provide overvoltage protection?
- The MMSZ4691-HE3-18 acts as a voltage clamp, shunting excess voltage to ground once the breakdown voltage is reached, protecting downstream components.
Can MMSZ4691-HE3-18 be used in automotive applications?
- Yes, the MMSZ4691-HE3-18 is suitable for automotive applications where voltage regulation and overvoltage protection are required.
Is the MMSZ4691-HE3-18 RoHS compliant?
- Yes, the MMSZ4691-HE3-18 is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring its environmental friendliness.
What is the package type of MMSZ4691-HE3-18?
- The MMSZ4691-HE3-18 is available in a SOD-123 surface mount package, offering compact size and ease of integration into PCB designs.
Are there any application notes or reference designs available for MMSZ4691-HE3-18?
- Yes, the manufacturer provides application notes and reference designs to assist in the proper implementation of the MMSZ4691-HE3-18 in technical solutions.