SMF22A-HE3-18
Product Overview
Category
SMF22A-HE3-18 belongs to the category of surface mount TVS (Transient Voltage Suppressor) diodes.
Use
It is primarily used for transient voltage protection in electronic circuits, particularly in applications where protection against electrostatic discharge (ESD) and electrical overstress (EOS) is crucial.
Characteristics
- Low clamping voltage
- Fast response time
- High surge current capability
- RoHS compliant
Package
The SMF22A-HE3-18 is available in a compact, surface-mount package, making it suitable for automated assembly processes.
Essence
The essence of SMF22A-HE3-18 lies in its ability to provide robust protection against transient voltage events, safeguarding sensitive electronic components and circuits.
Packaging/Quantity
Typically packaged in reels, the SMF22A-HE3-18 is available in quantities suitable for both prototyping and production runs.
Specifications
- Standoff Voltage: 22V
- Breakdown Voltage: 24.4V
- Peak Pulse Power: 200W
- Operating Temperature Range: -55°C to 150°C
- Package Type: SOD-123FL
Detailed Pin Configuration
The SMF22A-HE3-18 features a standard SOD-123FL package with two pins. Pin 1 is the cathode, while pin 2 is the anode.
Functional Features
- Transient voltage suppression
- ESD and EOS protection
- Low clamping voltage
- Fast response to transient events
Advantages and Disadvantages
Advantages
- Effective protection against transient voltage events
- Compact surface-mount package
- RoHS compliant
Disadvantages
- Limited to low voltage applications
- May require additional circuitry for higher voltage protection
Working Principles
When a transient voltage event occurs, the SMF22A-HE3-18 rapidly conducts excess current away from the protected circuit, clamping the voltage to a safe level and preventing damage to downstream components.
Detailed Application Field Plans
The SMF22A-HE3-18 is well-suited for use in various electronic devices and systems, including: - Mobile phones - Portable electronics - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
- SMF5.0A
- SMF7.5A
- SMF12A
- SMF15A
In conclusion, the SMF22A-HE3-18 offers reliable transient voltage protection in a compact, surface-mount package, making it an essential component in modern electronic designs.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMF22A-HE3-18 i tekniska lösningar
What is SMF22A-HE3-18?
- SMF22A-HE3-18 is a surface mount, high-efficiency, low capacitance TVS diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events.
What are the key features of SMF22A-HE3-18?
- The key features include a low clamping voltage, low leakage current, high surge capability, and compatibility with automated placement equipment.
In what technical solutions can SMF22A-HE3-18 be used?
- SMF22A-HE3-18 can be used in various technical solutions such as power supplies, communication systems, industrial controls, and automotive electronics to protect against transient voltage events.
What is the maximum working voltage of SMF22A-HE3-18?
- The maximum working voltage of SMF22A-HE3-18 is 22V.
How does SMF22A-HE3-18 provide protection against transient voltage events?
- SMF22A-HE3-18 provides protection by diverting excessive current away from sensitive components and limiting the voltage across them during transient events.
Is SMF22A-HE3-18 RoHS compliant?
- Yes, SMF22A-HE3-18 is RoHS compliant, making it suitable for use in environmentally conscious applications.
What is the operating temperature range of SMF22A-HE3-18?
- The operating temperature range of SMF22A-HE3-18 is -55°C to +150°C, allowing for reliable performance in a wide range of environments.
Can SMF22A-HE3-18 be used in high-speed data lines?
- Yes, SMF22A-HE3-18 is suitable for use in high-speed data lines due to its low capacitance and fast response time.
Does SMF22A-HE3-18 require any special handling during assembly?
- SMF22A-HE3-18 is compatible with standard surface mount assembly processes and does not require any special handling.
Are there any application notes or guidelines available for using SMF22A-HE3-18 in technical solutions?
- Yes, detailed application notes and guidelines are available from the manufacturer to assist in the proper integration of SMF22A-HE3-18 into technical solutions.