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MMBZ5251B-G3-18
Product Overview
Category
The MMBZ5251B-G3-18 belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and transient suppression in electronic circuits.
Characteristics
- Low leakage current
- High reliability
- Small package size
- Wide operating temperature range
Package
The MMBZ5251B-G3-18 is typically available in a SOT-23 surface mount package.
Essence
This Zener diode is essential for stabilizing voltage levels in various electronic applications.
Packaging/Quantity
The MMBZ5251B-G3-18 is usually packaged in reels with quantities varying based on manufacturer specifications.
Specifications
- Zener Voltage: 18V
- Power Dissipation: 200mW
- Operating Temperature Range: -65°C to +150°C
- Forward Voltage: 900mV
- Reverse Leakage Current: 5µA
Detailed Pin Configuration
The MMBZ5251B-G3-18 has three pins: 1. Anode (A) 2. Cathode (K) 3. No Connection (NC)
Functional Features
- Precise voltage regulation
- Protection against voltage spikes
- Low reverse leakage current
Advantages
- Small form factor
- Reliable voltage regulation
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitive to overvoltage conditions
Working Principles
The MMBZ5251B-G3-18 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse biased.
Detailed Application Field Plans
The MMBZ5251B-G3-18 is widely used in: - Voltage regulators - Overvoltage protection circuits - Signal clamping applications
Detailed and Complete Alternative Models
Some alternative models to the MMBZ5251B-G3-18 include: - BZX84C18 - 1N4746A - BZT52C18
Note: The above list is not exhaustive and may vary based on specific requirements.
This content provides a comprehensive overview of the MMBZ5251B-G3-18 Zener diode, covering its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MMBZ5251B-G3-18 v technických řešeních
What is the MMBZ5251B-G3-18?
- The MMBZ5251B-G3-18 is a Zener diode designed for voltage regulation and protection in various technical solutions.
What is the voltage rating of the MMBZ5251B-G3-18?
- The MMBZ5251B-G3-18 has a voltage rating of 18V, making it suitable for applications requiring precise voltage regulation.
What are the typical applications of the MMBZ5251B-G3-18?
- Typical applications include voltage clamping, voltage regulation, and transient voltage suppression in electronic circuits.
What is the power dissipation of the MMBZ5251B-G3-18?
- The power dissipation of the MMBZ5251B-G3-18 is typically 200mW, allowing it to handle moderate power levels.
What is the maximum forward voltage of the MMBZ5251B-G3-18?
- The maximum forward voltage is 1V at a forward current of 10mA, ensuring minimal voltage drop across the diode.
Is the MMBZ5251B-G3-18 RoHS compliant?
- Yes, the MMBZ5251B-G3-18 is RoHS compliant, meeting environmental standards for lead-free components.
Can the MMBZ5251B-G3-18 be used for overvoltage protection?
- Yes, the MMBZ5251B-G3-18 is suitable for overvoltage protection due to its Zener diode characteristics.
What is the temperature range for the MMBZ5251B-G3-18?
- The MMBZ5251B-G3-18 is rated for operation over a temperature range of -55°C to 150°C, making it suitable for diverse environments.
Does the MMBZ5251B-G3-18 require external heat sinking?
- In most applications, the MMBZ5251B-G3-18 does not require external heat sinking due to its low power dissipation.
Are there any specific layout considerations for using the MMBZ5251B-G3-18?
- It is recommended to minimize trace lengths and keep the diode close to the circuit it is protecting to reduce parasitic effects and ensure optimal performance.