P4KE51AHR0G Encyclopedia Entry

Product Overview

Use

These diodes are used to protect electronic circuits from voltage spikes and transients.

Characteristics

Package: DO-41
Essence: Silicon transient voltage suppressor
Packaging/Quantity: Available in tape and reel packaging, with quantities varying based on supplier.

Specifications

Peak Power Dissipation: 400W
Breakdown Voltage: 45V
Operating Temperature Range: -55°C to +175°C
Reverse Standoff Voltage: 38.5V
Forward Voltage: 3.5V at 3A

Detailed Pin Configuration

The P4KE51AHR0G diode has a standard DO-41 package with two leads. The anode is connected to one lead, while the cathode is connected to the other lead.

Functional Features

Fast response time
Low clamping voltage
High surge capability
RoHS compliant

Advantages and Disadvantages

Advantages

Effective protection against voltage surges
Fast reaction time
Wide operating temperature range

Disadvantages

Limited power dissipation capability
Higher forward voltage compared to some alternatives

Working Principles

When a voltage spike occurs, the P4KE51AHR0G diode conducts and clamps the voltage to a safe level, protecting the circuitry downstream.

Detailed Application Field Plans

The P4KE51AHR0G diode is commonly used in: - Power supplies - Automotive electronics - Industrial equipment - Telecommunications

Detailed and Complete Alternative Models

Some alternative models to P4KE51AHR0G include: - P6KE51AHR0G - 1.5KE51AHR0G - SA5.0AHR0G

In conclusion, the P4KE51AHR0G transient voltage suppressor diode offers effective protection against voltage spikes and transients in various electronic applications, despite its limitations in power dissipation and forward voltage. Its fast response time and wide operating temperature range make it a reliable choice for many circuit protection needs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4KE51AHR0G v technických řešeních

What is P4KE51AHR0G?
- P4KE51AHR0G 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 P4KE51AHR0G?
- P4KE51AHR0G features a peak pulse power dissipation of 400W, low clamping voltage, and fast response time.
How is P4KE51AHR0G typically used in technical solutions?
- P4KE51AHR0G is often used in surge protection applications for electronic equipment, such as power supplies, communication systems, and automotive electronics.
What are the important specifications to consider when using P4KE51AHR0G?
- Key specifications include breakdown voltage, maximum clamping voltage, peak pulse current, and operating temperature range.
How does P4KE51AHR0G provide protection against voltage spikes?
- P4KE51AHR0G operates by diverting excess current away from sensitive components when a voltage spike occurs, thereby protecting the circuit.
Are there any specific design considerations when incorporating P4KE51AHR0G into a circuit?
- It's important to consider the layout and placement of the diode to ensure effective transient voltage suppression and minimize parasitic inductance.
Can P4KE51AHR0G be used in high-frequency applications?
- Yes, P4KE51AHR0G can be used in high-frequency applications due to its fast response time and low capacitance.
What are the potential failure modes of P4KE51AHR0G?
- Common failure modes include thermal runaway under sustained overvoltage conditions and physical damage due to excessive current.
Are there any alternatives to P4KE51AHR0G for transient voltage suppression?
- Yes, other options include metal oxide varistors (MOVs), silicon avalanche diodes, and gas discharge tubes.
Where can I find detailed application notes and guidelines for using P4KE51AHR0G in technical solutions?
- Detailed application notes and guidelines can typically be found in the manufacturer's datasheet, technical documents, or application-specific reference designs.