SMAJ4473E3/TR13
Product Overview
- Category: Diode
- Use: Voltage clamping and transient suppression
- Characteristics: Fast response time, low leakage current, high surge capability
- Package: DO-214AC (SMA), 2-pin
- Essence: Protection against voltage transients
- Packaging/Quantity: Tape & Reel, 3000 units per reel
Specifications
- Peak Pulse Power: 400W
- Breakdown Voltage: 7.37V
- Clamping Voltage: 11.2V
- Operating Temperature Range: -55°C to +150°C
- Storage Temperature Range: -55°C to +150°C
Detailed Pin Configuration
The SMAJ4473E3/TR13 diode has a simple 2-pin configuration with the anode and cathode terminals.
Functional Features
- Fast response to transient over-voltage events
- Low clamping voltage for effective protection of sensitive components
- High surge capability for reliable performance in harsh environments
Advantages and Disadvantages
Advantages
- Effective protection against voltage transients
- Fast response time
- Wide operating temperature range
Disadvantages
- Relatively low breakdown voltage compared to some alternatives
- Limited surge capability compared to higher power diodes
Working Principles
The SMAJ4473E3/TR13 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from sensitive components when a voltage transient occurs. This prevents damage to downstream circuitry.
Detailed Application Field Plans
The SMAJ4473E3/TR13 is commonly used in electronic circuits that require protection against voltage transients, such as in power supplies, communication equipment, and automotive electronics. Its fast response time and low clamping voltage make it suitable for safeguarding sensitive semiconductor devices.
Detailed and Complete Alternative Models
- Alternative Model 1: P6KE6.8CA
- Category: Diode
- Use: Voltage clamping and transient suppression
- Characteristics: Higher breakdown voltage, similar surge capability
- Alternative Model 2: SMBJ7.5A
- Category: Diode
- Use: Voltage clamping and transient suppression
- Characteristics: Surface mount package, higher surge capability
In conclusion, the SMAJ4473E3/TR13 diode provides effective transient voltage suppression with its fast response time and low clamping voltage. While it may have limitations in certain applications, it remains a popular choice for protecting sensitive electronic components.
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技術ソリューションにおける SMAJ4473E3/TR13 の適用に関連する 10 件の一般的な質問と回答をリストします。
What is SMAJ4473E3/TR13?
- SMAJ4473E3/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 SMAJ4473E3/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 SMAJ4473E3/TR13 be used?
- SMAJ4473E3/TR13 is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics.
How does SMAJ4473E3/TR13 provide protection?
- It provides protection by diverting excessive current away from sensitive components during voltage surges or ESD events, thereby preventing damage to the circuitry.
What is the operating temperature range of SMAJ4473E3/TR13?
- The operating temperature range is typically -55°C to +150°C, making it suitable for a wide range of environments.
What is the recommended PCB layout for SMAJ4473E3/TR13?
- A compact layout with short traces and minimal parasitic inductance is recommended to maximize the effectiveness of the device.
Can SMAJ4473E3/TR13 be used for surge protection in power supply circuits?
- Yes, it can be used to protect power supply circuits from voltage transients and surges.
Does SMAJ4473E3/TR13 require any external components for proper operation?
- It typically does not require any external components, but proper PCB layout and grounding are important for optimal performance.
What certifications does SMAJ4473E3/TR13 comply with?
- It complies with industry standards such as RoHS and is often available with AEC-Q101 qualification for automotive applications.
Where can I find detailed specifications and application notes for SMAJ4473E3/TR13?
- Detailed specifications and application notes can be found in the product datasheet provided by the manufacturer or distributor.