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SMAJ4742AE3/TR13
Product Overview
Category
SMAJ4742AE3/TR13 belongs to the category of TVS (Transient Voltage Suppressor) diodes.
Use
It is used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.
Characteristics
- Voltage Suppression: Provides protection against voltage spikes and surges.
- Fast Response Time: Rapidly clamps transient voltages to a safe level.
- Low Leakage Current: Ensures minimal power dissipation during normal operation.
- Compact Package: Small form factor for space-constrained applications.
Package
The SMAJ4742AE3/TR13 is typically available in a surface mount package.
Essence
The essence of SMAJ4742AE3/TR13 lies in its ability to safeguard electronic circuits from damaging voltage transients, thereby enhancing the reliability and longevity of electronic devices.
Packaging/Quantity
The product is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.
Specifications
- Standoff Voltage: 42V
- Breakdown Voltage: 46.7V
- Peak Pulse Power: 400W
- Operating Temperature Range: -55°C to +150°C
- Package Type: SMA (DO-214AC)
Detailed Pin Configuration
The SMAJ4742AE3/TR13 typically features two pins, with the anode and cathode connections clearly labeled for easy integration into circuit designs.
Functional Features
- Transient Voltage Suppression: Quickly clamps transient voltages to protect downstream components.
- Bidirectional Protection: Safeguards against both positive and negative voltage transients.
- Low Clamping Voltage: Limits the voltage across the protected circuit to a safe level.
Advantages and Disadvantages
Advantages
- Effective protection against voltage transients
- Fast response time
- Compact form factor
Disadvantages
- Limited to specific voltage ranges
- May require additional components for comprehensive surge protection
Working Principles
When a transient voltage event occurs, the SMAJ4742AE3/TR13 rapidly conducts, diverting the excess energy away from the sensitive components it is protecting. This action effectively limits the voltage across the protected circuit, preventing damage.
Detailed Application Field Plans
The SMAJ4742AE3/TR13 finds application in various electronic systems, including: - Consumer electronics - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies
Detailed and Complete Alternative Models
- P6KE39CA: Similar TVS diode with a slightly lower standoff voltage
- SMBJ42A: Surface mount TVS diode with comparable characteristics
- 1.5KE47CA: Through-hole TVS diode suitable for high-power applications
In conclusion, the SMAJ4742AE3/TR13 is a vital component in protecting electronic circuits from transient voltage events, offering fast and effective suppression while maintaining a compact form factor. Its application spans across diverse industries, ensuring the reliable operation of electronic systems.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ4742AE3/TR13 v technických řešeních
What is SMAJ4742AE3/TR13?
- SMAJ4742AE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
What is the maximum peak pulse power of SMAJ4742AE3/TR13?
- The maximum peak pulse power of SMAJ4742AE3/TR13 is 400 watts.
What is the breakdown voltage of SMAJ4742AE3/TR13?
- The breakdown voltage of SMAJ4742AE3/TR13 is 58.9V.
What are the typical applications of SMAJ4742AE3/TR13?
- SMAJ4742AE3/TR13 is commonly used in telecommunications equipment, automotive electronics, industrial control systems, and consumer electronics to protect against voltage surges.
What is the clamping voltage of SMAJ4742AE3/TR13?
- The clamping voltage of SMAJ4742AE3/TR13 is 93.6V at 10A.
What is the operating temperature range of SMAJ4742AE3/TR13?
- The operating temperature range of SMAJ4742AE3/TR13 is -55°C to +150°C.
How does SMAJ4742AE3/TR13 provide protection?
- SMAJ4742AE3/TR13 diverts excessive current away from sensitive components by providing a low-impedance path to ground during transient voltage events.
Is SMAJ4742AE3/TR13 RoHS compliant?
- Yes, SMAJ4742AE3/TR13 is compliant with the Restriction of Hazardous Substances (RoHS) directive.
What is the package type of SMAJ4742AE3/TR13?
- SMAJ4742AE3/TR13 is available in a DO-214AC (SMA) package.
What are the key specifications to consider when using SMAJ4742AE3/TR13 in a design?
- When using SMAJ4742AE3/TR13, it's important to consider its breakdown voltage, clamping voltage, peak pulse power, and response time to ensure effective protection against voltage transients.