P4KE220A-B

Introduction

The P4KE220A-B is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used to protect electronic circuits from voltage spikes and transients. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the P4KE220A-B diode.

Basic Information Overview

Category: Transient Voltage Suppressor (TVS)
Use: Protection against voltage spikes and transients in electronic circuits
Characteristics: Fast response time, low clamping voltage, high surge capability
Package: DO-41
Essence: Silicon TVS diode
Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

Voltage - Reverse Standoff (Typ): 185V
Voltage - Breakdown (Min): 206V
Voltage - Clamping (Max) @ Ipp: 334V
Current - Peak Pulse (10/1000µs): 6.5A
Power - Peak Pulse: 400W
Type: Zener

Detailed Pin Configuration

The P4KE220A-B diode has a standard DO-41 package with two leads. The anode is connected to one lead, and the cathode is connected to the other lead.

Functional Features

Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
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

Clamping voltage may be relatively high for some applications
Limited to unidirectional protection

Working Principles

The P4KE220A-B operates based on the principle of Zener breakdown. When a voltage spike occurs, the diode rapidly conducts, diverting excess current away from the protected circuit. This action effectively limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The P4KE220A-B diode finds extensive use in various electronic systems, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

P4KE180A-B: Lower reverse standoff voltage
P4KE250A-B: Higher reverse standoff voltage
P4KE220CA-B: Bidirectional TVS diode with similar characteristics

In conclusion, the P4KE220A-B diode is a crucial component in protecting electronic circuits from voltage transients. Its fast response time, high surge capability, and compact package make it suitable for a wide range of applications.

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