P4KE91A Encyclopedia Entry

Product Overview

P4KE91A is a transient voltage suppressor diode belonging to the category of electronic components used for voltage regulation and protection. It is commonly utilized in electronic circuits to protect sensitive components from voltage spikes and transients. The P4KE91A diode is characterized by its high surge capability, fast response time, and compact package.

Basic Information

Category: Transient Voltage Suppressor (TVS) Diode
Use: Voltage regulation and protection in electronic circuits
Characteristics: High surge capability, fast response time
Package: DO-41 axial leaded package
Essence: Protecting sensitive electronic components from voltage transients
Packaging/Quantity: Typically available in reels or bulk packaging, quantity varies based on supplier

Specifications

Peak Power Dissipation: 400W
Breakdown Voltage: 82V to 91V
Operating Temperature Range: -55°C to +175°C
Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The P4KE91A diode has a standard DO-41 axial leaded package with two leads. The anode is connected to one lead, while the cathode is connected to the other lead.

Functional Features

Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
Fast Response Time: Rapidly responds to voltage transients to prevent damage to sensitive electronics.
High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

Effective protection against voltage transients
Fast response time
Compact and easy to integrate into circuit designs

Disadvantages

Limited to specific breakdown voltage range
Requires careful consideration of placement within circuits to maximize effectiveness

Working Principles

When a voltage transient occurs, the P4KE91A diode conducts and clamps the transient voltage to a safe level, protecting the connected components. This is achieved through the diode's ability to rapidly respond to changes in voltage and divert excess energy away from sensitive electronics.

Detailed Application Field Plans

The P4KE91A diode finds extensive application in various electronic systems, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

P4KE82A: Lower breakdown voltage variant
P4KE100A: Higher breakdown voltage variant
P4KE Series: Various breakdown voltage options within the same form factor

In conclusion, the P4KE91A transient voltage suppressor diode offers effective protection against voltage transients and finds widespread use in diverse electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4KE91A v technických řešeních

What is P4KE91A and what is its application in technical solutions?
- P4KE91A is a transient voltage suppressor diode that is commonly used to protect electronic circuits from voltage spikes and transients.
How does P4KE91A provide protection in technical solutions?
- P4KE91A clamps the voltage of the circuit it is protecting, diverting excess current away from sensitive components and preventing damage from voltage surges.
What are the key specifications of P4KE91A that make it suitable for technical solutions?
- P4KE91A has a peak power dissipation of 400W, a breakdown voltage of 82V, and a low clamping voltage, making it effective for transient voltage suppression.
In what types of technical applications is P4KE91A commonly used?
- P4KE91A is commonly used in power supplies, automotive electronics, telecommunications equipment, and industrial control systems to protect against voltage transients.
What are the typical operating conditions for P4KE91A in technical solutions?
- P4KE91A operates within a temperature range of -55°C to 175°C and can handle transient currents up to its specified peak pulse current rating.
How does P4KE91A compare to other transient voltage suppressors in technical applications?
- P4KE91A offers a balance of clamping voltage, peak power dissipation, and response time, making it suitable for a wide range of technical applications.
What are the best practices for integrating P4KE91A into a technical solution?
- It is important to place P4KE91A close to the protected circuitry, ensure proper grounding, and consider the layout to minimize inductance and maximize its effectiveness.
What are the failure modes of P4KE91A in technical solutions and how can they be mitigated?
- P4KE91A can fail due to prolonged exposure to high currents or overvoltage conditions. Mitigation involves using additional protective devices and regular testing.
Are there any specific design considerations when using P4KE91A in technical solutions?
- Designers should consider the maximum transient voltage levels, the duration of transients, and the potential sources of voltage spikes in the system.
What are the industry standards or certifications relevant to the use of P4KE91A in technical solutions?
- P4KE91A may need to comply with industry standards such as IEC 61000-4-5 for surge immunity, and designers should verify compliance based on the specific application requirements.