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SMAJ51HE3/5A
Product Overview
Category
The SMAJ51HE3/5A belongs to the category of semiconductor devices, specifically within the realm of transient voltage suppressor (TVS) diodes.
Use
These diodes are primarily used for surge protection in electronic circuits, safeguarding sensitive components from voltage spikes and transients.
Characteristics
- Fast response time
- Low clamping voltage
- High surge current capability
Package
The SMAJ51HE3/5A is typically available in a DO-214AC (SMA) package, which is a surface-mount device (SMD) package.
Essence
The essence of the SMAJ51HE3/5A lies in its ability to rapidly limit excessive voltage levels, thereby protecting downstream components from damage.
Packaging/Quantity
These diodes are commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.
Specifications
- Standoff Voltage: 43.6V
- Breakdown Voltage: 48.4V
- Maximum Clamping Voltage: 70.1V
- Peak Pulse Current: 5A
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The SMAJ51HE3/5A typically features two pins in a standard SMD configuration, with the anode and cathode connections clearly marked.
Functional Features
- Rapid response to transient overvoltage events
- Low leakage current during normal operation
- Robust construction for reliable performance
Advantages and Disadvantages
Advantages
- Effective protection against voltage surges
- Compact form factor for space-constrained applications
- Wide operating temperature range
Disadvantages
- Limited peak pulse current compared to higher-rated TVS diodes
- Higher clamping voltage than some specialized TVS diodes
Working Principles
When a voltage surge occurs, the TVS diode conducts heavily, diverting excess current away from the protected circuit. This action limits the voltage across the circuit to a safe level, preventing damage to sensitive components.
Detailed Application Field Plans
The SMAJ51HE3/5A finds extensive use in various applications, including: - Power supplies - Communication systems - Automotive electronics - Industrial equipment
Detailed and Complete Alternative Models
- Alternative Model 1: P6KE51CA
- Standoff Voltage: 43.2V
- Breakdown Voltage: 47.8V
- Maximum Clamping Voltage: 77.4V
- Peak Pulse Current: 600W
- Alternative Model 2: 1.5KE51A
- Standoff Voltage: 43.6V
- Breakdown Voltage: 48.4V
- Maximum Clamping Voltage: 69.4V
- Peak Pulse Current: 1500W
In conclusion, the SMAJ51HE3/5A transient voltage suppressor diode offers effective surge protection in a compact and reliable package, making it a valuable component in numerous electronic applications.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ51HE3/5A v technických řešeních
What is the maximum reverse voltage of SMAJ51HE3/5A?
- The maximum reverse voltage of SMAJ51HE3/5A is 51V.
What is the typical junction capacitance of SMAJ51HE3/5A?
- The typical junction capacitance of SMAJ51HE3/5A is 150pF.
What is the peak pulse power dissipation of SMAJ51HE3/5A?
- The peak pulse power dissipation of SMAJ51HE3/5A is 400W.
What is the operating temperature range of SMAJ51HE3/5A?
- The operating temperature range of SMAJ51HE3/5A is -55°C to +150°C.
What are the typical applications for SMAJ51HE3/5A?
- SMAJ51HE3/5A is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and power supplies.
What is the breakdown voltage of SMAJ51HE3/5A?
- The breakdown voltage of SMAJ51HE3/5A is 56.7V.
Does SMAJ51HE3/5A have a low leakage current?
- Yes, SMAJ51HE3/5A has a low leakage current, which makes it suitable for use in high-speed data line protection.
Is SMAJ51HE3/5A RoHS compliant?
- Yes, SMAJ51HE3/5A is RoHS compliant, meeting the requirements for lead-free manufacturing.
Can SMAJ51HE3/5A be used for ESD protection?
- Yes, SMAJ51HE3/5A can be used for electrostatic discharge (ESD) protection in various electronic circuits and interfaces.
What is the package type of SMAJ51HE3/5A?
- SMAJ51HE3/5A is available in a DO-214AC (SMA) package.