SMAJ45A
Product Overview
Belongs to: Electronic Components
Category: Diode
Use: Voltage regulation and transient suppression
Characteristics: Fast response time, low leakage current
Package: DO-214AC (SMA)
Essence: Transient voltage suppressor diode
Packaging/Quantity: Tape & Reel, 3000 units per reel
Specifications
- Part Number: SMAJ45A
- Voltage - Reverse Standoff (Typ): 45V
- Voltage - Breakdown (Min): 50V
- Clamping Voltage: 77.4V
- Peak Pulse Current: 36.5A
- Power Dissipation (Max): 400W
- Operating Temperature: -55°C ~ 150°C
Detailed Pin Configuration
The SMAJ45A diode has two pins: 1. Anode (A) 2. Cathode (K)
Functional Features
- Fast response time
- Low clamping voltage
- High surge capability
- RoHS compliant
Advantages and Disadvantages
Advantages: - Provides effective protection against transient overvoltage conditions - Fast response time ensures minimal damage to sensitive components
Disadvantages: - Can be susceptible to thermal runaway under extreme conditions - May exhibit high reverse leakage current in certain applications
Working Principles
The SMAJ45A operates by diverting excess transient voltage away from sensitive electronic components, thereby protecting them from damage. When a transient voltage spike occurs, the diode rapidly conducts, clamping the voltage to a safe level and dissipating the excess energy as heat.
Detailed Application Field Plans
The SMAJ45A is commonly used in various electronic systems and equipment, including: - Power supplies - Communication systems - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
- Alternative Model 1: P6SMB45A
- Alternative Model 2: 1.5KE45A
- Alternative Model 3: SMBJ45A
- Alternative Model 4: SMCJ45A
In conclusion, the SMAJ45A transient voltage suppressor diode offers reliable protection against transient overvoltage events in a wide range of electronic applications. Its fast response time, low leakage current, and high surge capability make it an essential component for ensuring the longevity and reliability of electronic systems.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMAJ45A i tekniska lösningar
What is SMAJ45A?
- SMAJ45A is a type of TVS (transient voltage suppressor) diode that is designed to protect electronic circuits from voltage spikes and transients.
What is the maximum working voltage of SMAJ45A?
- The maximum working voltage of SMAJ45A is 45 volts.
What is the peak pulse power of SMAJ45A?
- The peak pulse power of SMAJ45A is typically 400 watts.
How does SMAJ45A protect electronic circuits?
- SMAJ45A clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.
In what applications can SMAJ45A be used?
- SMAJ45A is commonly used in power supplies, communication equipment, automotive electronics, and other systems where protection against voltage transients is required.
What is the response time of SMAJ45A?
- The response time of SMAJ45A is very fast, typically in the nanosecond range, providing quick protection against voltage spikes.
Can SMAJ45A be used for surge protection in outdoor environments?
- Yes, SMAJ45A can be used for surge protection in outdoor environments, but it may require additional protective measures depending on the specific application.
Is SMAJ45A suitable for high-speed data lines?
- Yes, SMAJ45A is suitable for protecting high-speed data lines from voltage transients.
What are the temperature specifications for SMAJ45A?
- SMAJ45A typically has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.
Are there any alternatives to SMAJ45A for transient voltage suppression?
- Yes, there are other TVS diodes with similar or different specifications that can be considered based on the specific requirements of the application.