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P4KE91C - Product Encyclopedia Entry
Introduction
P4KE91C is a diode belonging to the category of transient voltage suppressors (TVS). This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Basic Information Overview
- Category: Transient Voltage Suppressors (TVS)
- Use: Protecting electronic circuits from voltage spikes and transients
- Characteristics: Fast response time, low clamping voltage, high surge capability
- Package: DO-41 or SMA package
- Essence: Diode for voltage suppression
- Packaging/Quantity: Available in reels or bulk packaging, quantity varies based on supplier
Specifications
- Voltage Rating: 82V
- Power Dissipation: 400W
- Operating Temperature Range: -55°C to +175°C
- Storage Temperature Range: -55°C to +175°C
Detailed Pin Configuration
The P4KE91C diode has a standard axial lead configuration with two leads. The anode is typically marked with a band or a line.
Functional Features
- Transient Voltage Suppression: Provides protection against voltage spikes and transients
- Fast Response Time: Quickly clamps excessive voltage to protect downstream components
- Low Clamping Voltage: Limits the voltage across the protected circuit
- High Surge Capability: Can handle large transient currents without damage
Advantages and Disadvantages
Advantages
- Effective protection against voltage surges
- Fast response time
- Wide operating temperature range
Disadvantages
- Clamping voltage may be higher than some alternative models
- Sensitive to reverse bias conditions
Working Principles
P4KE91C operates by diverting excess voltage away from sensitive components in a circuit. When a transient voltage spike occurs, the diode rapidly conducts, shunting the excess energy to ground and protecting the connected devices.
Detailed Application Field Plans
P4KE91C is commonly used in various electronic systems, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to P4KE91C include: - P4KE6.8C - P4KE10C - P4KE120C - P4KE150C
These alternatives offer similar transient voltage suppression capabilities with varying voltage ratings and power dissipation levels.
In conclusion, P4KE91C is a vital component in safeguarding electronic circuits from voltage transients and spikes. Its fast response time, low clamping voltage, and high surge capability make it a popular choice in diverse applications.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4KE91C v technických řešeních
What is P4KE91C?
- P4KE91C is a type of transient voltage suppressor diode, commonly used to protect electronic circuits from voltage spikes and transients.
What are the key features of P4KE91C?
- P4KE91C has a peak power dissipation of 400W, a breakdown voltage of 82V, and a low clamping voltage, making it suitable for protecting sensitive components in technical solutions.
How does P4KE91C protect electronic circuits?
- P4KE91C diverts excessive voltage away from sensitive components by providing a low-impedance path to ground during voltage spikes or transients.
In what technical applications is P4KE91C commonly used?
- P4KE91C is frequently employed in power supplies, automotive electronics, telecommunications equipment, and industrial control systems to safeguard against voltage surges.
What is the operating temperature range of P4KE91C?
- P4KE91C typically operates within a temperature range of -55°C to 175°C, ensuring its suitability for various environmental conditions.
How is P4KE91C installed in a circuit?
- P4KE91C is typically connected across the input or output terminals of the circuit, providing protection against overvoltage events.
What is the response time of P4KE91C to voltage transients?
- P4KE91C has a fast response time, typically in the nanosecond range, ensuring rapid protection against sudden voltage spikes.
Can P4KE91C be used in combination with other protective devices?
- Yes, P4KE91C can be used in conjunction with other protective components such as fuses, varistors, or gas discharge tubes to provide comprehensive protection for electronic circuits.
What are the potential failure modes of P4KE91C?
- P4KE91C may fail due to prolonged exposure to overvoltage conditions, excessive current, or thermal stress, emphasizing the importance of proper circuit design and component selection.
Where can I find detailed specifications and application notes for P4KE91C?
- Detailed specifications and application notes for P4KE91C can be found in the manufacturer's datasheet, which provides comprehensive information on its electrical characteristics, recommended usage, and performance under different conditions.