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SMA5J40-E3/5A
Product Overview
Category
The SMA5J40-E3/5A belongs to the category of TVS (Transient Voltage Suppressor) diodes.
Use
It is used for surge protection in electronic circuits, particularly in applications where protection against transient voltage spikes is crucial.
Characteristics
- Voltage Rating: 40V
- Peak Pulse Power: 5000W
- Package Type: SMA (DO-214AC)
- Essence: Provides robust protection against transient voltage events.
- Packaging/Quantity: Available in tape and reel packaging with varying quantities.
Specifications
- Voltage Rating: 40V
- Peak Pulse Power Dissipation: 5000W
- Breakdown Voltage: 44.4V to 49.1V
- Clamping Voltage: 64.5V at 14A
- Operating Temperature Range: -55°C to +150°C
- Package: SMA (DO-214AC)
Detailed Pin Configuration
The SMA5J40-E3/5A typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.
Functional Features
- Transient Voltage Suppression: Effectively clamps transient voltage spikes to protect sensitive electronic components.
- Fast Response Time: Rapid response to transient events ensures minimal impact on the protected circuitry.
- Low Clamping Voltage: Provides effective protection without introducing excessive voltage drop during normal operation.
Advantages and Disadvantages
Advantages
- Robust surge protection
- Fast response time
- Low clamping voltage
Disadvantages
- May require additional circuitry for comprehensive surge protection in complex systems
Working Principles
The SMA5J40-E3/5A operates by diverting excess transient voltage away from sensitive components, thereby limiting the voltage across the protected circuit. This is achieved through the use of avalanche breakdown diode technology.
Detailed Application Field Plans
The SMA5J40-E3/5A is commonly used in various electronic systems including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics
Detailed and Complete Alternative Models
- SMAJ40A: Similar specifications with slightly different package type (SMAJ)
- P6KE40CA: Axial leaded TVS diode with comparable voltage rating and peak pulse power
In conclusion, the SMA5J40-E3/5A is a vital component in safeguarding electronic circuits from transient voltage events, offering robust protection and fast response times. Its application spans across diverse industries, making it an essential element in ensuring the reliability and longevity of electronic systems.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMA5J40-E3/5A in technische oplossingen
What is the maximum forward voltage of SMA5J40-E3/5A?
- The maximum forward voltage of SMA5J40-E3/5A is 3.5V at 5A.
What is the typical reverse stand-off voltage of SMA5J40-E3/5A?
- The typical reverse stand-off voltage of SMA5J40-E3/5A is 40V.
What is the peak pulse power dissipation of SMA5J40-E3/5A?
- The peak pulse power dissipation of SMA5J40-E3/5A is 5000W for a 10/1000μs waveform.
What are the typical applications for SMA5J40-E3/5A?
- SMA5J40-E3/5A is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.
What is the operating temperature range of SMA5J40-E3/5A?
- The operating temperature range of SMA5J40-E3/5A is -55°C to +150°C.
Does SMA5J40-E3/5A have a low leakage current?
- Yes, SMA5J40-E3/5A has a low typical leakage current of 0.5μA at its stand-off voltage.
Is SMA5J40-E3/5A RoHS compliant?
- Yes, SMA5J40-E3/5A is RoHS compliant, making it suitable for use in environmentally friendly electronic products.
What is the package type of SMA5J40-E3/5A?
- SMA5J40-E3/5A is available in a DO-214AC (SMA) package.
Can SMA5J40-E3/5A be used for overvoltage protection in power supply circuits?
- Yes, SMA5J40-E3/5A is suitable for overvoltage protection in power supply circuits due to its high surge capability and low clamping voltage.
Are there any recommended layout considerations when using SMA5J40-E3/5A?
- It is recommended to minimize the length of the PCB traces connecting SMA5J40-E3/5A to the protected circuit and to provide a low-inductance path to the ground plane for optimal performance.