SMF12A-HM3-18
Product Overview
Category: Electronic Component
Use: Voltage Suppressor Diode
Characteristics: High surge capability, low clamping voltage
Package: SOD-123FL
Essence: Protects sensitive electronic devices from voltage transients
Packaging/Quantity: Tape & Reel, 3000 units
Specifications
- Peak Pulse Power: 1500W
- Breakdown Voltage: 12V
- Clamping Voltage: 19.9V
- Operating Temperature Range: -55°C to +150°C
Detailed Pin Configuration
The SMF12A-HM3-18 has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.
Functional Features
- Provides protection against voltage transients
- Fast response time
- Low leakage current
Advantages
- High surge capability
- Low clamping voltage
- Compact package size
Disadvantages
- Limited breakdown voltage range
- Sensitive to temperature extremes
Working Principles
When a transient voltage occurs, the diode conducts and clamps the voltage to a safe level, protecting the downstream circuitry.
Detailed Application Field Plans
- Consumer electronics
- Automotive electronics
- Industrial equipment
Detailed and Complete Alternative Models
- SMAJ12A (DO-214AC)
- P6SMB12A (DO-214AA)
- 1.5SMC12A (DO-214AB)
This completes the entry for SMF12A-HM3-18 in the English editing encyclopedia format.
قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SMF12A-HM3-18 في الحلول التقنية
What is SMF12A-HM3-18?
- SMF12A-HM3-18 is a surface mount TVS diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events.
What are the key features of SMF12A-HM3-18?
- The key features include a low clamping voltage, high surge capability, and compatibility with various industry standards such as IEC 61000-4-5 and AEC-Q101.
How does SMF12A-HM3-18 protect electronic circuits?
- SMF12A-HM3-18 provides a low-impedance path for transient currents to flow to ground, diverting potentially damaging energy away from sensitive components.
In what applications can SMF12A-HM3-18 be used?
- It is commonly used in applications such as telecommunications equipment, industrial automation, automotive electronics, and power supplies.
What is the maximum peak pulse current rating of SMF12A-HM3-18?
- The maximum peak pulse current rating is typically 30A, making it suitable for handling high-energy transients.
Is SMF12A-HM3-18 RoHS compliant?
- Yes, SMF12A-HM3-18 is compliant with the Restriction of Hazardous Substances (RoHS) directive.
What is the operating temperature range of SMF12A-HM3-18?
- The operating temperature range is -55°C to +150°C, allowing for reliable performance in a wide range of environments.
Does SMF12A-HM3-18 require any external components for proper operation?
- No, SMF12A-HM3-18 is a standalone device and does not require any external components for its operation.
Can SMF12A-HM3-18 be used in high-speed data lines?
- Yes, it is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces.
What are the recommended PCB layout guidelines for SMF12A-HM3-18?
- The manufacturer provides specific guidelines for PCB layout to ensure optimal performance, including recommendations for trace routing and grounding techniques.