P4SMA440CA

Product Overview

Use

It is used for surge protection in electronic circuits, particularly in applications where protection against transient overvoltage events is required.

Characteristics

Voltage Rating: 440V
Power Dissipation: 400W
Package: SMA (DO-214AC)
Essence: Provides robust protection against voltage transients.
Packaging/Quantity: Available in tape and reel packaging with quantities varying based on supplier.

Specifications

Reverse Standoff Voltage: 376V
Breakdown Voltage: 418V - 462V
Clamping Voltage: 608V
Peak Pulse Current: 14.5A
Operating Temperature Range: -55°C to +150°C
Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The P4SMA440CA is a unidirectional TVS diode with two pins. The cathode is connected to the ground or reference voltage, while the anode is connected to the protected circuit.

Functional Features

Fast response time to transient events.
Low clamping voltage to protect sensitive components.
High surge current capability.
RoHS compliant.

Advantages and Disadvantages

Advantages

Robust surge protection.
Fast reaction time.
Compact package size.
Wide operating temperature range.

Disadvantages

Limited power dissipation compared to larger TVS diodes.
Higher clamping voltage compared to some other TVS diodes.

Working Principles

When a transient voltage spike occurs, the P4SMA440CA conducts and clamps the voltage to a safe level, protecting the downstream circuitry from damage. It does this by diverting excess current away from the protected components.

Detailed Application Field Plans

The P4SMA440CA is commonly used in: - Power supplies - Communication systems - Industrial equipment - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

P4SMA6.8CA
P4SMA10CA
P4SMA15CA
P4SMA24CA
P4SMA30CA

In conclusion, the P4SMA440CA is a reliable TVS diode that provides robust surge protection for various electronic applications, making it an essential component in safeguarding sensitive circuitry from transient voltage events.

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技術ソリューションにおける P4SMA440CA の適用に関連する 10 件の一般的な質問と回答をリストします。

What is P4SMA440CA?
- P4SMA440CA is a type of TVS (transient voltage suppressor) diode designed to protect sensitive electronic components from voltage spikes and transients.
What are the key features of P4SMA440CA?
- P4SMA440CA features a peak power dissipation of 400W, low clamping voltage, and fast response time to transient events.
In what applications can P4SMA440CA be used?
- P4SMA440CA is commonly used in applications such as power supplies, industrial equipment, automotive electronics, and telecommunications equipment to protect against voltage surges and ESD (electrostatic discharge).
How does P4SMA440CA provide protection?
- P4SMA440CA diverts excessive current away from sensitive components by clamping the voltage during transient events, thereby preventing damage to the circuit.
What is the operating temperature range of P4SMA440CA?
- P4SMA440CA typically operates within a temperature range of -55°C to 150°C, making it suitable for a wide range of environments.
What is the typical response time of P4SMA440CA?
- The typical response time of P4SMA440CA is very fast, usually in the nanosecond range, providing quick protection against transient events.
How is P4SMA440CA installed in a circuit?
- P4SMA440CA is typically installed in parallel with the circuit being protected, with proper attention to polarity and PCB layout guidelines.
What standards does P4SMA440CA comply with?
- P4SMA440CA complies with industry standards such as AEC-Q101 for automotive applications and is often manufactured to meet RoHS compliance requirements.
Can P4SMA440CA be used in high-frequency applications?
- Yes, P4SMA440CA can be used in high-frequency applications due to its fast response time and low capacitance.
Are there any recommended storage and handling precautions for P4SMA440CA?
- It is recommended to store P4SMA440CA in a cool, dry environment and to follow proper ESD handling procedures to prevent damage prior to installation.