TVS420

Product Overview

Belongs to: Electronic Components
Category: Transient Voltage Suppressor
Use: Protects electronic circuits from voltage spikes
Characteristics: Fast response time, high surge capability, low clamping voltage
Package: SOD-123
Essence: Safeguards sensitive electronics from transient voltage events
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

Peak Pulse Power: 400W
Breakdown Voltage Range: 6.8V to 440V
Operating Temperature Range: -55°C to +150°C
RoHS Compliant: Yes

Detailed Pin Configuration

The TVS420 has a standard SOD-123 package with two pins. Pin 1 is the cathode and pin 2 is the anode.

Functional Features

Provides protection against voltage transients
Fast response time ensures minimal damage to protected circuitry
Low clamping voltage prevents excessive voltage exposure

Advantages

High surge capability
Compact size for easy integration into circuit designs
RoHS compliant for environmental friendliness

Disadvantages

Limited breakdown voltage range compared to some alternative models
May require additional components for comprehensive overvoltage protection

Working Principles

When a voltage spike occurs, the TVS420 rapidly conducts current to divert the excess energy away from the protected circuit. This action helps prevent damage to sensitive electronic components.

Detailed Application Field Plans

The TVS420 is commonly used in various electronic devices such as power supplies, communication equipment, and automotive electronics. Its ability to quickly respond to voltage surges makes it suitable for protecting integrated circuits, transistors, and other semiconductor devices.

Detailed and Complete Alternative Models

TVS421: Higher breakdown voltage range
TVS422: Lower clamping voltage
TVS423: Enhanced surge capability

In conclusion, the TVS420 is a reliable transient voltage suppressor that offers fast response time, high surge capability, and low clamping voltage. Its compact size and RoHS compliance make it a popular choice for protecting sensitive electronic circuits in a wide range of applications.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням TVS420 у технічних рішеннях

What is TVS420 and its application in technical solutions?
- TVS420 is a transient voltage suppressor diode that is commonly used to protect sensitive electronic components from voltage spikes and transients.
How does TVS420 protect electronic circuits?
- TVS420 diverts excessive voltage away from the protected circuit by providing a low-impedance path for the transient current to flow, thus preventing damage to the circuit.
What are the typical voltage and current ratings for TVS420?
- TVS420 typically has a voltage rating of 420V and a peak pulse current rating of several amps, making it suitable for protecting a wide range of electronic devices.
Where can TVS420 be used in technical solutions?
- TVS420 can be used in various technical solutions such as power supplies, communication equipment, automotive electronics, and industrial control systems to protect against voltage surges and ESD events.
What are the key characteristics of TVS420 that make it suitable for technical solutions?
- TVS420 offers fast response times, low clamping voltages, and high surge handling capabilities, making it an effective solution for transient voltage protection.
Can TVS420 be used in combination with other protective components?
- Yes, TVS420 is often used in conjunction with other protective components such as fuses, varistors, and inductors to provide comprehensive protection against voltage transients.
Are there any specific layout considerations when using TVS420 in a circuit?
- It is important to minimize the trace length between the TVS420 and the protected circuit to reduce inductance and ensure efficient transient voltage suppression.
What are the failure modes of TVS420 and how can they be mitigated?
- TVS420 can fail due to prolonged exposure to overvoltage conditions or excessive current. Proper selection, derating, and thermal management can help mitigate these failure modes.
Can TVS420 be used in both AC and DC applications?
- Yes, TVS420 can be used in both AC and DC applications to protect against voltage transients and surges in various types of electronic equipment.
What are some best practices for selecting and implementing TVS420 in technical solutions?
- Best practices include carefully evaluating the voltage and current requirements of the protected circuit, considering the transient energy levels, and ensuring proper PCB layout and thermal management for optimal performance.