P4KE43AHR0G Encyclopedia Entry

Product Overview

Use

It is used to protect electronic circuits from overvoltage transients.

Characteristics

Package: DO-41
Essence: Silicon transient voltage suppressor
Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

Peak Power Dissipation: 400W
Breakdown Voltage: 43V
Operating Temperature Range: -55°C to +175°C
Reverse Standoff Voltage: 36.8V
Clamping Voltage: 58.1V
Maximum Reverse Leakage Current: 1μA

Detailed Pin Configuration

The P4KE43AHR0G has two pins, anode and cathode, which are identified by a band on the cathode side of the diode.

Functional Features

Fast response time
Low clamping voltage
High surge capability
RoHS compliant

Advantages and Disadvantages

Advantages

Effective protection against voltage transients
Fast reaction to overvoltage events
Wide operating temperature range

Disadvantages

Sensitive to reverse overvoltage conditions
Limited power dissipation capability

Working Principles

When the voltage across the diode exceeds its breakdown voltage, the P4KE43AHR0G conducts and clamps the voltage to a safe level, protecting the circuitry downstream.

Detailed Application Field Plans

The P4KE43AHR0G is commonly used in: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to P4KE43AHR0G include: - P4KE6.8AHR0G - P4KE10AHR0G - P4KE18AHR0G - P4KE30AHR0G

In conclusion, the P4KE43AHR0G transient voltage suppressor diode offers effective protection against overvoltage events in various electronic applications, with its fast response time and high surge capability making it a popular choice for circuit protection.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4KE43AHR0G v technických řešeních

What is P4KE43AHR0G?
- P4KE43AHR0G 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 P4KE43AHR0G?
- P4KE43AHR0G features a peak pulse power dissipation of 400W, low clamping voltage, and fast response time.
Where is P4KE43AHR0G commonly used in technical solutions?
- P4KE43AHR0G is commonly used in applications such as power supplies, automotive electronics, industrial equipment, and telecommunications systems for surge protection.
How does P4KE43AHR0G provide surge protection?
- P4KE43AHR0G diverts excess voltage away from sensitive components by conducting when the voltage exceeds a certain level, thereby protecting the circuit from damage.
What is the operating temperature range of P4KE43AHR0G?
- P4KE43AHR0G typically operates within a temperature range of -55°C to 175°C, making it suitable for various environmental conditions.
Can P4KE43AHR0G be used for ESD protection?
- Yes, P4KE43AHR0G can also be used for electrostatic discharge (ESD) protection in electronic devices and integrated circuits.
What are the mounting options for P4KE43AHR0G?
- P4KE43AHR0G is available in various package types, including axial-lead, surface mount, and through-hole, providing flexibility for different mounting requirements.
Are there any application notes or guidelines for using P4KE43AHR0G in circuit design?
- Yes, manufacturers often provide application notes and guidelines for incorporating P4KE43AHR0G into circuit designs, including recommended layout and placement considerations.
What are the potential failure modes of P4KE43AHR0G?
- Potential failure modes of P4KE43AHR0G include thermal runaway under excessive power dissipation, voltage overshoot during transient events, and physical damage from mechanical stress.
Are there alternative components to consider alongside P4KE43AHR0G for surge protection?
- Yes, other options for surge protection include metal oxide varistors (MOVs), gas discharge tubes (GDTs), and silicon avalanche diodes (SADs), which may be suitable depending on specific application requirements.