P4KE82-B

Product Overview

Use

These diodes are used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

Package: DO-41
Essence: Silicon Transient Voltage Suppressor
Packaging/Quantity: Available in reels or bulk packaging, quantity varies based on supplier

Specifications

Peak Power Dissipation: 400W
Breakdown Voltage Range: 77.8V to 86V
Maximum Clamping Voltage: 135V
Operating Temperature Range: -55°C to +175°C
Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The P4KE82-B diode has two pins, anode, and cathode, with the standard DO-41 package configuration.

Functional Features

Fast response time
Low clamping voltage
High surge capability
RoHS compliant

Advantages and Disadvantages

Advantages

Effective protection against voltage transients
Wide operating temperature range
RoHS compliance for environmental considerations

Disadvantages

Sensitive to reverse bias breakdown if not properly handled
Limited power dissipation capability compared to some alternatives

Working Principles

When a transient voltage surge occurs, the P4KE82-B diode conducts and clamps the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

P4KE82-B is commonly used in: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to P4KE82-B include: - P4KE6.8B - P4KE10B - P4KE15B - P4KE33B

In conclusion, the P4KE82-B transient voltage suppressor diode offers effective protection against voltage transients in various electronic applications, with its fast response time and low clamping voltage. However, it is important to handle it carefully due to its sensitivity to reverse bias breakdown. Its wide operating temperature range and RoHS compliance make it suitable for diverse environmental conditions and regulatory requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4KE82-B v technických řešeních

What is P4KE82-B and its application in technical solutions?
- P4KE82-B is a transient voltage suppressor diode that is commonly used to protect electronic circuits from voltage spikes and transients.
How does P4KE82-B protect electronic circuits?
- P4KE82-B diverts excessive voltage away from sensitive components by providing a low-impedance path to ground, thereby preventing damage from voltage surges.
What are the typical operating parameters for P4KE82-B?
- P4KE82-B typically operates at a maximum peak pulse power of 400W and has a clamping voltage of 110V at 1A.
In what kind of applications is P4KE82-B commonly used?
- P4KE82-B is commonly used in power supplies, telecommunications equipment, automotive electronics, and industrial control systems to protect against voltage transients.
What are the key considerations when selecting P4KE82-B for a specific application?
- Key considerations include the maximum working voltage, peak pulse current, response time, and physical package size to ensure compatibility with the application's requirements.
How does P4KE82-B compare to other transient voltage suppressors?
- P4KE82-B offers a balance of clamping voltage, peak pulse power, and response time, making it suitable for a wide range of applications compared to other TVS diodes.
Can P4KE82-B be used in high-frequency applications?
- Yes, P4KE82-B can be used in high-frequency applications due to its fast response time and low capacitance.
What are the potential failure modes of P4KE82-B in technical solutions?
- Potential failure modes include thermal runaway under sustained overvoltage conditions and physical damage due to excessive current or power dissipation.
Are there any special handling or mounting considerations for P4KE82-B?
- P4KE82-B should be handled with ESD precautions and mounted close to the protected circuit to minimize lead inductance and maximize its effectiveness.
Where can I find detailed specifications and application notes for P4KE82-B?
- Detailed specifications and application notes for P4KE82-B can be found in the manufacturer's datasheet and technical documentation, as well as through authorized distributors and industry resources.