SMAJ4742CE3/TR13
Product Overview
- Category: Diode
- Use: Voltage clamping and transient suppression
- Characteristics: Low leakage current, fast response time, high surge capability
- Package: DO-214AC (SMA)
- Essence: Protecting electronic circuits from voltage spikes and transients
- Packaging/Quantity: Tape & Reel, 3000 units per reel
Specifications
- Part Number: SMAJ4742CE3/TR13
- Voltage - Reverse Standoff (Typ): 42V
- Voltage - Breakdown (Min): 46.7V
- Clamping Voltage @ Ipp: 67.7V
- Current - Peak Pulse (10/1000µs): 34.1A
- Power - Peak Pulse: 400W
- Type: Zener
Detailed Pin Configuration
The SMAJ4742CE3/TR13 diode has two pins in the DO-214AC package. The anode is connected to pin 1, and the cathode is connected to pin 2.
Functional Features
- Provides protection against voltage surges and transients
- Fast response time for immediate clamping of overvoltage events
- Low leakage current ensures minimal power dissipation during normal operation
Advantages and Disadvantages
Advantages
- High surge capability
- Fast response time
- Low leakage current
Disadvantages
- Clamping voltage may be higher than some alternative models
- Relatively lower breakdown voltage compared to some alternatives
Working Principles
The SMAJ4742CE3/TR13 operates based on the principle of Zener breakdown. When the voltage across the diode exceeds its breakdown voltage, it conducts heavily, clamping the voltage to a safe level and protecting the circuitry downstream.
Detailed Application Field Plans
The SMAJ4742CE3/TR13 is commonly used in various electronic systems where protection against voltage spikes and transients is required. Some specific application fields include: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems
Detailed and Complete Alternative Models
Some alternative models to the SMAJ4742CE3/TR13 include: - P6SMBJ42CA - 1.5SMCJ42A - SMBJ42CA
In conclusion, the SMAJ4742CE3/TR13 diode provides effective voltage clamping and transient suppression, making it suitable for a wide range of electronic applications. Its fast response time and high surge capability make it a reliable choice for protecting sensitive components from voltage spikes and transients.
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기술 솔루션에 SMAJ4742CE3/TR13 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
What is SMAJ4742CE3/TR13?
- SMAJ4742CE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.
What are the key features of SMAJ4742CE3/TR13?
- The key features include a peak pulse power of 400W, low clamping voltage, fast response time, and compatibility with automated placement equipment.
In what applications can SMAJ4742CE3/TR13 be used?
- It is commonly used in various technical solutions such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems.
How does SMAJ4742CE3/TR13 provide protection against voltage spikes?
- It works by diverting excessive current away from sensitive components when a voltage spike occurs, thus preventing damage to the circuit.
What is the operating temperature range of SMAJ4742CE3/TR13?
- The operating temperature range is typically -55°C to +150°C, making it suitable for a wide range of environments.
Can SMAJ4742CE3/TR13 be used for ESD protection?
- Yes, it can provide effective protection against electrostatic discharge (ESD) events, safeguarding sensitive electronics from damage.
Is SMAJ4742CE3/TR13 RoHS compliant?
- Yes, it is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring environmental safety and regulatory compliance.
What is the recommended PCB layout for SMAJ4742CE3/TR13?
- A good PCB layout includes short traces, minimal vias, and proper grounding to optimize the performance of the diode.
Does SMAJ4742CE3/TR13 require any external components for operation?
- No, it is a standalone device and does not require additional external components for its operation.
What are the packaging options available for SMAJ4742CE3/TR13?
- It is available in various package types such as DO-214AC (SMA), providing flexibility for different design requirements.