SMAJ18CHE3/5A
Product Overview
Category
SMAJ18CHE3/5A belongs to the category of transient voltage suppressor diodes.
Use
These diodes are used to protect sensitive electronic components from voltage spikes and transients.
Characteristics
- Fast response time
- Low clamping voltage
- High surge current capability
Package
The SMAJ18CHE3/5A diodes are typically available in a DO-214AC (SMA) package.
Essence
The essence of SMAJ18CHE3/5A diodes lies in their ability to quickly divert excessive voltage away from sensitive components, thus safeguarding them from damage.
Packaging/Quantity
They are usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Standoff Voltage: 18V
- Breakdown Voltage: 20V
- Maximum Clamping Voltage: 29.2V
- Peak Pulse Current: 5A
- Operating Temperature Range: -55°C to +150°C
Detailed Pin Configuration
The SMAJ18CHE3/5A diode has two pins, anode, and cathode, which are clearly marked on the device.
Functional Features
- Transient voltage suppression
- Reverse standoff voltage protection
- Fast response to voltage transients
Advantages
- Effective protection against voltage spikes
- Fast reaction time
- Wide operating temperature range
Disadvantages
- Limited peak pulse current compared to higher-rated devices
- May require additional circuitry for comprehensive surge protection
Working Principles
When a voltage spike occurs, the SMAJ18CHE3/5A diode conducts and diverts the excess energy away from the protected components, limiting the voltage across them.
Detailed Application Field Plans
- Telecommunications equipment
- Power supplies
- Automotive electronics
- Industrial control systems
Detailed and Complete Alternative Models
- SMAJ10A: Lower voltage rating
- SMAJ24A: Higher voltage rating
- SMAJ18A: Similar voltage rating but different package type
In conclusion, SMAJ18CHE3/5A transient voltage suppressor diodes offer effective protection against voltage transients and spikes, making them essential components in various electronic systems.
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技術ソリューションにおける SMAJ18CHE3/5A 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 SMAJ18CHE3/5A?
- SMAJ18CHE3/5A is a type of surface mount transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients.
What are the key features of SMAJ18CHE3/5A?
- SMAJ18CHE3/5A features include a peak pulse power of 400W, low clamping voltage, fast response time, and compatibility with automated placement equipment.
Where can SMAJ18CHE3/5A be used in technical solutions?
- SMAJ18CHE3/5A can be used in various technical solutions such as power supplies, telecommunications equipment, automotive electronics, industrial controls, and consumer electronics.
How does SMAJ18CHE3/5A protect electronic circuits?
- SMAJ18CHE3/5A protects electronic circuits by diverting excessive voltage and current away from sensitive components, thereby preventing damage due to transient events.
What is the operating temperature range of SMAJ18CHE3/5A?
- The operating temperature range of SMAJ18CHE3/5A typically spans from -55°C to +150°C, making it suitable for a wide range of environments.
Can SMAJ18CHE3/5A be used for ESD protection?
- Yes, SMAJ18CHE3/5A can provide effective electrostatic discharge (ESD) protection for sensitive electronic components and circuits.
What is the typical application circuit for SMAJ18CHE3/5A?
- The typical application circuit for SMAJ18CHE3/5A involves connecting it in parallel with the protected circuit, with appropriate consideration for PCB layout and trace routing.
Does SMAJ18CHE3/5A require any external components for operation?
- SMAJ18CHE3/5A does not typically require additional external components for basic transient voltage suppression functionality.
What are the industry standards and certifications applicable to SMAJ18CHE3/5A?
- SMAJ18CHE3/5A may comply with industry standards such as AEC-Q101 for automotive applications and may have certifications such as UL recognition.
Where can I find detailed specifications and application notes for SMAJ18CHE3/5A?
- Detailed specifications and application notes for SMAJ18CHE3/5A can be found in the product datasheet provided by the manufacturer or distributor, as well as in relevant technical resources and application guides.