1PMT5940/TR7

Product Overview

Category:

1PMT5940/TR7 belongs to the category of Zener diodes.

Use:

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics:

Zener voltage: 3.3V
Power dissipation: 500mW
Package type: SOD-123

Package:

The 1PMT5940/TR7 is typically available in reels or tape and reel packaging.

Essence:

This product serves as a crucial component in maintaining stable voltage levels within electronic systems.

Packaging/Quantity:

The 1PMT5940/TR7 is usually packaged in quantities of 3000 units per reel.

Specifications

Zener Voltage: 3.3V
Power Dissipation: 500mW
Forward Voltage: 1.5V
Reverse Current: 5µA
Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The 1PMT5940/TR7 has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

Voltage Regulation: The 1PMT5940/TR7 maintains a constant voltage across its terminals, making it suitable for voltage regulation applications.
Overvoltage Protection: It provides protection against excessive voltage spikes, safeguarding sensitive components in the circuit.

Advantages and Disadvantages

Advantages

Precise Voltage Regulation
Compact Size
Low Power Dissipation

Disadvantages

Limited Power Handling Capacity
Susceptible to Thermal Runaway at High Currents

Working Principles

The 1PMT5940/TR7 operates based on the Zener effect, where it allows current to flow in reverse bias once the voltage reaches its specified Zener voltage, effectively regulating the voltage across its terminals.

Detailed Application Field Plans

The 1PMT5940/TR7 finds extensive use in various electronic devices, including: - Voltage Regulators - Power Supplies - Overvoltage Protection Circuits

Detailed and Complete Alternative Models

Some alternative models to 1PMT5940/TR7 include: - BZX84C3V3 - MMSZ5245B - 1N4728A

In conclusion, the 1PMT5940/TR7 Zener diode offers precise voltage regulation and overvoltage protection, making it an essential component in numerous electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1PMT5940/TR7 v technických řešeních

What is 1PMT5940/TR7?
- 1PMT5940/TR7 is a type of Zener diode, specifically a surface mount device (SMD) with a voltage rating of 3.3V and a power dissipation of 500mW.
What are the typical applications of 1PMT5940/TR7?
- It is commonly used in voltage regulation, overvoltage protection, and signal clamping applications in various electronic circuits.
What is the maximum current that 1PMT5940/TR7 can handle?
- The maximum current for 1PMT5940/TR7 is typically around 100mA.
How does 1PMT5940/TR7 provide overvoltage protection?
- When the voltage across the diode exceeds its breakdown voltage (3.3V), it conducts and limits the voltage to protect the downstream circuitry.
Can 1PMT5940/TR7 be used in reverse bias?
- Yes, it can be used in reverse bias as a regular diode, but it will only conduct when the voltage exceeds its breakdown voltage.
What are the thermal considerations for 1PMT5940/TR7 in a design?
- It's important to consider the power dissipation and ensure proper heat sinking or thermal management to prevent overheating.
Is 1PMT5940/TR7 sensitive to ESD (electrostatic discharge)?
- Yes, like most semiconductor devices, 1PMT5940/TR7 is sensitive to ESD and should be handled using proper ESD precautions.
What are the key parameters to consider when selecting 1PMT5940/TR7 for a specific application?
- Key parameters include breakdown voltage, power dissipation, maximum current, and package type (SMD).
Can 1PMT5940/TR7 be used in automotive applications?
- Yes, it can be used in automotive electronics, provided it meets the necessary automotive-grade specifications and standards.
Are there any alternative components that can be used in place of 1PMT5940/TR7?
- Yes, there are other Zener diodes with similar specifications and SMD packages that can be used as alternatives based on specific design requirements.