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SMAJ4478CE3/TR13
Product Overview
Category: Diode
Use: Voltage clamping
Characteristics: Transient voltage suppressor diode
Package: DO-214AC (SMA) package
Essence: Provides protection against transient voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units per reel
Specifications
- Part Number: SMAJ4478CE3/TR13
- Voltage - Reverse Standoff (Typ): 78V
- Voltage - Breakdown (Min): 86.7V
- Voltage - Clamping (Max) @ Ipp: 126V
- Current - Peak Pulse (10/1000µs): 22.6A
- Power - Peak Pulse: 400W
- Type: Zener
- Operating Temperature: -55°C ~ 150°C
Detailed Pin Configuration
The SMAJ4478CE3/TR13 is a unidirectional TVS diode with two pins. The cathode is connected to the ground, and the anode is connected to the protected line.
Functional Features
- Provides protection against transient voltage spikes
- Fast response time
- Low clamping voltage
- High surge capability
Advantages and Disadvantages
Advantages: - Effective in protecting sensitive electronic components - Fast response time ensures minimal damage from voltage spikes - Compact size for easy integration into circuit designs
Disadvantages: - May require additional components for comprehensive overvoltage protection - Limited to unidirectional clamping of voltage spikes
Working Principles
The SMAJ4478CE3/TR13 operates by diverting excess current away from sensitive components when a transient voltage spike occurs. When the voltage exceeds the breakdown voltage, the diode begins to conduct, providing a low-impedance path for the excess current to flow through, thus protecting the downstream components.
Detailed Application Field Plans
The SMAJ4478CE3/TR13 is commonly used in various electronic devices and systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to SMAJ4478CE3/TR13 include: - P6KE440CA - 1.5KE51CA - SMBJ78CA - SMCJ78CA
In conclusion, the SMAJ4478CE3/TR13 is a vital component in protecting electronic circuits from transient voltage spikes, offering fast response times and high surge capabilities. Its compact size and effectiveness make it a popular choice for various applications in different industries.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ4478CE3/TR13 en soluciones técnicas
What is SMAJ4478CE3/TR13?
- SMAJ4478CE3/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 SMAJ4478CE3/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 SMAJ4478CE3/TR13 be used?
- SMAJ4478CE3/TR13 is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics.
How does SMAJ4478CE3/TR13 provide protection?
- It provides protection by diverting excessive current away from sensitive components when a voltage spike occurs, thus preventing damage to the circuitry.
What is the maximum working voltage of SMAJ4478CE3/TR13?
- The maximum working voltage is 78V.
What is the operating temperature range of SMAJ4478CE3/TR13?
- The operating temperature range is typically -55°C to +150°C.
How is SMAJ4478CE3/TR13 packaged?
- It is available in a compact, surface mount package for easy integration into circuit designs.
Can SMAJ4478CE3/TR13 be used for ESD protection?
- Yes, it can provide effective protection against electrostatic discharge (ESD) events.
What standards does SMAJ4478CE3/TR13 comply with?
- It complies with industry standards such as AEC-Q101 for automotive applications and RoHS for environmental compliance.
Are there any application notes or design guidelines available for using SMAJ4478CE3/TR13?
- Yes, manufacturers often provide detailed application notes and design guidelines to assist engineers in integrating SMAJ4478CE3/TR13 into their technical solutions.