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P4KE8.2A Diode:
Introduction
The P4KE8.2A diode is a crucial component in electronic circuits, belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are widely used for protecting sensitive electronic components from voltage spikes and surges. The P4KE8.2A diode possesses unique characteristics that make it suitable for various applications.
Basic Information Overview
- Category: Transient Voltage Suppressor (TVS) Diode
- Use: Protection against voltage spikes and surges
- Characteristics: Fast response time, high surge capability, low clamping voltage
- Package: Axial leaded, DO-41 package
- Essence: Provides transient voltage suppression
- Packaging/Quantity: Available in reels or bulk packaging
Specifications
- Peak Pulse Power: 400W
- Breakdown Voltage: 8.2V
- Operating Temperature Range: -55°C to +175°C
- Storage Temperature Range: -55°C to +175°C
Detailed Pin Configuration
The P4KE8.2A diode has an axial leaded package with two leads. The cathode is typically marked with a band around one end of the diode.
Functional Features
- Transient Voltage Suppression: Protects sensitive electronic components from voltage spikes.
- Fast Response Time: Quickly clamps transient voltages to safe levels.
- High Surge Capability: Can withstand large surge currents without damage.
Advantages and Disadvantages
Advantages
- Effective protection against voltage transients
- Fast response time
- High surge capability
Disadvantages
- Clamping voltage may be relatively high for some applications
- Unidirectional protection only
Working Principles
When a voltage spike occurs, the P4KE8.2A diode conducts and clamps the transient voltage to a safe level, protecting downstream components. This is achieved through the rapid transition of the diode into its low impedance state when subjected to a transient overvoltage condition.
Detailed Application Field Plans
The P4KE8.2A diode finds extensive use in various applications, including: - Power supply units - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
- P4KE6.8A: 6.8V breakdown voltage
- P4KE10A: 10V breakdown voltage
- P4KE15A: 15V breakdown voltage
- P4KE20A: 20V breakdown voltage
In conclusion, the P4KE8.2A diode is a vital component in electronic circuits, providing essential transient voltage suppression capabilities. Its fast response time and high surge capability make it a preferred choice for protecting sensitive electronic devices from voltage spikes and surges across various applications.
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What is P4KE8.2A?
- P4KE8.2A is a type of transient voltage suppressor diode used to protect electronic circuits from voltage spikes and transients.
What is the maximum peak pulse power of P4KE8.2A?
- The maximum peak pulse power of P4KE8.2A is typically 400 watts.
What is the breakdown voltage of P4KE8.2A?
- The breakdown voltage of P4KE8.2A is 8.2 volts.
How does P4KE8.2A protect electronic circuits?
- P4KE8.2A shunts excess current away from sensitive components when a voltage spike occurs, preventing damage to the circuit.
In what applications is P4KE8.2A commonly used?
- P4KE8.2A is commonly used in power supplies, automotive electronics, telecommunications equipment, and industrial control systems.
What is the response time of P4KE8.2A?
- The response time of P4KE8.2A is very fast, typically in the nanosecond range.
Can P4KE8.2A be used for overvoltage protection in low-voltage circuits?
- Yes, P4KE8.2A can be used for overvoltage protection in low-voltage circuits by clamping the voltage to a safe level.
What are the temperature specifications for P4KE8.2A?
- P4KE8.2A is typically rated for operation within a temperature range of -55°C to 175°C.
Is P4KE8.2A polarity sensitive?
- Yes, P4KE8.2A is polarity sensitive and should be installed with the correct orientation to function properly.
Are there any special considerations for PCB layout when using P4KE8.2A?
- It's important to minimize the trace length between the P4KE8.2A and the protected circuitry and to provide a low-impedance path to ground for optimal performance.