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1PMT5945B/TR13
Product Overview
Category:
1PMT5945B/TR13 belongs to the category of Zener diodes.
Use:
It is used for voltage regulation and protection in electronic circuits.
Characteristics:
- Zener voltage: 3.9V
- Power dissipation: 1.5W
- Package type: SOD-123
Package:
The 1PMT5945B/TR13 is typically available in reels or tape and reel packaging.
Essence:
This Zener diode provides stable voltage regulation and protection against voltage spikes.
Packaging/Quantity:
The 1PMT5945B/TR13 is usually packaged in quantities of 3000 units per reel.
Specifications
- Zener Voltage: 3.9V
- Power Dissipation: 1.5W
- Forward Voltage: 1.2V
- Reverse Leakage Current: 5μA
- Operating Temperature Range: -65°C to +150°C
Detailed Pin Configuration
The 1PMT5945B/TR13 Zener diode has two pins, with the cathode connected to the marked side of the package and the anode connected to the other side.
Functional Features
- Voltage regulation: The Zener diode maintains a constant voltage across its terminals.
- Overvoltage protection: It conducts when the voltage exceeds its breakdown voltage, protecting the circuitry downstream.
Advantages
- Precise voltage regulation
- Compact size
- Low leakage current
Disadvantages
- Limited power dissipation capability
- Susceptible to temperature variations
Working Principles
The 1PMT5945B/TR13 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at its breakdown voltage.
Detailed Application Field Plans
The 1PMT5945B/TR13 is commonly used in: - Voltage regulators - Power supplies - Overvoltage protection circuits
Detailed and Complete Alternative Models
Some alternative models to 1PMT5945B/TR13 include: - BZX84C3V9LT1G - MMSZ5245BT1G - BZT52C3V9S-7-F
In conclusion, the 1PMT5945B/TR13 Zener diode is a crucial component in electronic circuits, providing stable voltage regulation and overvoltage protection. Its compact size and precise characteristics make it suitable for various applications in the electronics industry.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1PMT5945B/TR13 en soluciones técnicas
What is 1PMT5945B/TR13?
- 1PMT5945B/TR13 is a Zener diode with a voltage of 15V and a power dissipation of 3W.
What are the typical applications of 1PMT5945B/TR13?
- It is commonly used in voltage regulation, surge protection, and overvoltage clamping in various electronic circuits.
What is the maximum current rating for 1PMT5945B/TR13?
- The maximum current rating for 1PMT5945B/TR13 is typically around 200mA.
How does 1PMT5945B/TR13 provide overvoltage protection?
- When the voltage across the diode exceeds its breakdown voltage (15V), it conducts and limits the voltage to protect the circuit.
Can 1PMT5945B/TR13 be used in reverse bias?
- Yes, it can be used in reverse bias as a regular Zener diode for voltage regulation purposes.
What are the temperature specifications for 1PMT5945B/TR13?
- The operating temperature range is typically -65°C to +175°C.
Is 1PMT5945B/TR13 suitable for high-frequency applications?
- It has a relatively fast response time and can be used in moderate frequency applications.
What are the package dimensions for 1PMT5945B/TR13?
- The standard package is a DO-216AA (SMB) surface mount package.
Does 1PMT5945B/TR13 require any external components for operation?
- It can be used independently but may require additional resistors or capacitors for specific applications.
Are there any recommended layout considerations for using 1PMT5945B/TR13?
- It is advisable to minimize trace lengths and keep the device close to the circuit it is protecting to reduce parasitic inductance and improve performance.