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P4SMA440
Product Overview
Category
P4SMA440 belongs to the category of TVS (Transient Voltage Suppressor) diodes.
Use
It is used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes and surges.
Characteristics
- Fast response time
- Low clamping voltage
- High surge current capability
Package
P4SMA440 is typically available in a DO-214AC (SMA) package.
Essence
The essence of P4SMA440 lies in its ability to provide robust overvoltage protection for electronic circuits.
Packaging/Quantity
It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Standoff Voltage: 376V to 414V
- Breakdown Voltage: 418V to 462V
- Peak Pulse Power: 400W
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
P4SMA440 typically has two pins, with the anode and cathode connections clearly marked on the device.
Functional Features
- Bi-directional clamping capability
- Low incremental surge resistance
- High reliability
Advantages and Disadvantages
Advantages
- Effective protection against voltage transients
- Fast response to surge events
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- May require additional circuitry for comprehensive surge protection
Working Principles
When a voltage surge occurs, the P4SMA440 diode conducts and clamps the voltage to a safe level, protecting downstream components. It achieves this by diverting excess current away from the sensitive circuitry.
Detailed Application Field Plans
P4SMA440 finds applications in various fields such as: - Telecommunications equipment - Industrial automation systems - Automotive electronics - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to P4SMA440 include: - P4SMA6.8A - P4SMA10A - P4SMA15A - P4SMA24A
In conclusion, P4SMA440 is a crucial component in safeguarding electronic circuits from voltage transients, offering reliable protection and peace of mind across diverse applications.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4SMA440 v technických řešeních
What is P4SMA440?
- P4SMA440 is a type of transient voltage suppressor diode that is commonly used to protect electronic circuits from voltage spikes and transients.
What is the maximum peak pulse power of P4SMA440?
- The maximum peak pulse power of P4SMA440 is typically 400 watts.
What is the breakdown voltage of P4SMA440?
- The breakdown voltage of P4SMA440 is around 440 volts.
How does P4SMA440 protect electronic circuits?
- P4SMA440 suppresses voltage spikes by diverting excess current away from sensitive components, thereby protecting them from damage.
What are the typical applications of P4SMA440?
- P4SMA440 is commonly used in surge protection for telecommunications equipment, automotive electronics, industrial control systems, and power supplies.
What is the response time of P4SMA440?
- The response time of P4SMA440 is very fast, typically in the nanosecond range, which allows it to quickly clamp down on voltage spikes.
Can P4SMA440 be used for overvoltage protection in power supply designs?
- Yes, P4SMA440 is suitable for overvoltage protection in power supply designs, especially for low to medium power applications.
Is P4SMA440 RoHS compliant?
- Yes, P4SMA440 is generally compliant with the Restriction of Hazardous Substances (RoHS) directive.
What is the operating temperature range of P4SMA440?
- The operating temperature range of P4SMA440 is typically between -55°C to +150°C, making it suitable for a wide range of environments.
Are there any recommended layout considerations when using P4SMA440 in a circuit?
- It is recommended to minimize the length of the traces connecting P4SMA440 to the protected circuit and to ensure a low impedance path to ground for effective transient suppression.