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MMBZ5249B
Introduction
The MMBZ5249B is a diode belonging to the category of Zener diodes. It is commonly used for voltage regulation and protection in various electronic circuits. This entry provides an overview of the MMBZ5249B, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Basic Information Overview
- Category: Zener Diode
- Use: Voltage regulation and protection
- Characteristics: Low leakage current, precise voltage regulation
- Package: SOT-23, SOD-123, SOD-323
- Essence: Semiconductor diode
- Packaging/Quantity: Available in reels or tape and reel packaging, quantity varies by manufacturer
Specifications
- Voltage - Zener (Nom) (Vz): 15V
- Power - Max: 350mW
- Impedance (Max) (Zzt): 20 Ohm
- Current - Reverse Leakage @ Vr: 100nA @ 10V
- Operating Temperature: -65°C ~ 150°C
Detailed Pin Configuration
The MMBZ5249B typically comes in a SOT-23 package with three pins: Anode, Cathode, and No Connection (NC).
| Pin Number | Description | |------------|-------------| | 1 | Anode | | 2 | Cathode | | 3 | NC |
Functional Features
- Precise voltage regulation
- Low reverse leakage current
- Small form factor
- ESD protection
Advantages and Disadvantages
Advantages
- Reliable voltage regulation
- Small package size
- Low power dissipation
Disadvantages
- Limited power handling capability
- Sensitivity to temperature variations
Working Principles
The MMBZ5249B operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased. This allows it to regulate voltage within a circuit and protect sensitive components from voltage spikes.
Detailed Application Field Plans
The MMBZ5249B finds applications in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits
Detailed and Complete Alternative Models
Some alternative models to the MMBZ5249B include: - BZX84C15 - 1N4744A - MM3Z15V
In conclusion, the MMBZ5249B Zener diode offers precise voltage regulation and protection in a small form factor, making it suitable for a wide range of electronic applications.
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What is MMBZ5249B?
- MMBZ5249B is a Zener diode with a voltage of 17V and a power dissipation of 350mW.
What are the typical applications of MMBZ5249B?
- MMBZ5249B is commonly used in voltage regulation, overvoltage protection, and signal clamping applications.
What is the maximum current that MMBZ5249B can handle?
- The maximum current for MMBZ5249B is typically around 20mA.
How does MMBZ5249B provide overvoltage protection?
- MMBZ5249B conducts current when the voltage across it exceeds its breakdown voltage, effectively shunting excess voltage to protect downstream components.
Can MMBZ5249B be used in reverse bias?
- Yes, MMBZ5249B can be used in reverse bias as a voltage reference or for voltage clamping applications.
What is the temperature range for MMBZ5249B?
- MMBZ5249B is typically rated for operation within a temperature range of -55°C to 150°C.
Is MMBZ5249B suitable for high-frequency applications?
- Yes, MMBZ5249B can be used in high-frequency applications due to its fast response time and low capacitance.
What are the package options available for MMBZ5249B?
- MMBZ5249B is commonly available in SOT-23 and SOD-123 packages.
Does MMBZ5249B require any external components for operation?
- MMBZ5249B can be used independently but may benefit from series resistors or capacitors for specific applications.
Are there any potential failure modes to consider when using MMBZ5249B?
- Common failure modes for MMBZ5249B include exceeding the maximum power dissipation, exceeding the maximum current, or exposure to voltages beyond its ratings.