1PMT5918A/TR7
Product Overview
Category
The 1PMT5918A/TR7 belongs to the category of semiconductor devices, specifically zener diodes.
Use
It is primarily used for voltage regulation and protection in electronic circuits.
Characteristics
- Zener voltage: 18V
- Power dissipation: 3W
- Package type: SOD-123
Package
The 1PMT5918A/TR7 is typically available in reels or tape and reel packaging, with a quantity of 3000 units per reel.
Specifications
- Zener voltage: 18V
- Power dissipation: 3W
- Forward voltage: 1.5V
- Reverse current: 5μA
- Operating temperature range: -65°C to +150°C
Detailed Pin Configuration
The 1PMT5918A/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 zener diode maintains a constant voltage across its terminals, providing stability in electronic circuits.
- Overvoltage protection: It protects sensitive components by diverting excess voltage away from them.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- High power dissipation capability
Disadvantages
- Limited current handling capacity
- Susceptible to thermal runaway if not properly heatsinked
Working Principles
The 1PMT5918A/TR7 operates based on the principle of the zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.
Detailed Application Field Plans
The 1PMT5918A/TR7 is commonly used in: - Voltage regulators - Overvoltage protection circuits - Power supplies - Electronic equipment requiring stable voltage references
Detailed and Complete Alternative Models
Some alternative models to the 1PMT5918A/TR7 include: - 1N4742A - BZX85C18 - MMSZ5240B
In conclusion, the 1PMT5918A/TR7 zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for various electronic applications.
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What is 1PMT5918A/TR7?
- 1PMT5918A/TR7 is a high-performance, low-voltage, surface mount zener diode that can be used in various technical solutions.
What are the key specifications of 1PMT5918A/TR7?
- The key specifications include a voltage range of 3.3V to 200V, a power dissipation of 500mW, and a zener impedance of 40 ohms.
How can 1PMT5918A/TR7 be used in voltage regulation?
- 1PMT5918A/TR7 can be used as a voltage regulator to maintain a stable voltage level in electronic circuits by shunting excess current when the voltage exceeds the specified level.
In what applications is 1PMT5918A/TR7 commonly used?
- It is commonly used in power management, voltage reference, and voltage clamping applications in various electronic devices and systems.
What are the thermal characteristics of 1PMT5918A/TR7?
- The thermal resistance of 1PMT5918A/TR7 is typically 250°C/W, which is important for understanding its performance in different operating conditions.
Can 1PMT5918A/TR7 be used in automotive electronics?
- Yes, it is suitable for use in automotive electronics due to its high reliability and performance under varying temperature and voltage conditions.
How does 1PMT5918A/TR7 contribute to ESD protection?
- It provides ESD (electrostatic discharge) protection by diverting transient voltage spikes away from sensitive components, thus safeguarding the circuitry.
What are the recommended storage and operating conditions for 1PMT5918A/TR7?
- It should be stored in a dry environment at temperatures between -55°C and +150°C, and operated within a temperature range of -55°C to +175°C.
Is 1PMT5918A/TR7 RoHS compliant?
- Yes, it is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it environmentally friendly.
How can 1PMT5918A/TR7 be integrated into a PCB design?
- It can be easily integrated into a PCB layout using standard surface mount technology, and proper attention should be given to thermal management and electrical connections.