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SMF05-B TVS Diode SOT-353

SMF05-B is a 4-channel unidirectional ESD protection diode array manufactured by Slkor, encapsulated in tiny SOT-353 surface-mount plastic package. It is designed to protect voltage-sensitive ICs and high-speed interfaces from damage caused by ESD and electrical transient surges. Featuring excellent clamping performance, ultra-low leakage current, low junction capacitance and nanosecond-level fast response speed, this component can replace multi-layer varistors (MLV) in mainstream consumer electronics. It delivers reliable ESD suppression for HDMI, DisplayPort, MDDI and other high-speed signal ports, and fits compact portable devices such as mobile phones, notebooks, tablets and set-top boxes.

Description

SMF05-B is a 4-channel unidirectional ESD protection diode array manufactured by Slkor, encapsulated in tiny SOT-353 surface-mount plastic package. It is designed to protect voltage-sensitive ICs and high-speed interfaces from damage caused by ESD and electrical transient surges. Featuring excellent clamping performance, ultra-low leakage current, low junction capacitance and nanosecond-level fast response speed, this component can replace multi-layer varistors (MLV) in mainstream consumer electronics. It delivers reliable ESD suppression for HDMI, DisplayPort, MDDI and other high-speed signal ports, and fits compact portable devices such as mobile phones, notebooks, tablets and set-top boxes.

Features

  1. Integrated 4-channel unidirectional ESD protection for multi-signal line circuits
  2. Complies with IEC 61000-4-2 Level 4 ESD standard: ±30kV air discharge & ±30kV contact discharge
  3. Rated reverse stand-off working voltage of 5.0V, matching standard 5V signal circuits
  4. Low clamping voltage to quickly limit overvoltage and avoid chip burnout
  5. Ultra-low reverse leakage current (max 100nA) to reduce standby power consumption
  6. Ultra-fast response time ranging from 0.7ns to 1ns to instantly dissipate static energy
  7. Mini SOT-353 compact outline greatly saves PCB layout space
  8. RoHS-compliant lead-free molding compound for global environmental export standards
  9. 120W peak pulse power rating with 10A maximum surge current under 8/20μs waveform
  10. Wide operating temperature range: -40℃ ~ +125℃ for diverse working environments
  11. Standard 7-inch tape & reel packaging with 3000 pieces per reel for automatic SMT mass production

Our advantages

  1. Four protection channels integrated in one single chip, effectively reducing BOM quantity and simplifying PCB routing design
  2. Low junction capacitance maintains signal integrity for high-speed video interfaces like HDMI and DisplayPort
  3. Superior ±30kV high ESD withstand capacity easily passes strict consumer electronics EMC certification
  4. Can directly replace multi-layer varistors (MLV) with more stable long-term surge protection performance
  5. Nanoampere leakage minimizes static power loss, perfectly suitable for battery-powered portable devices
  6. Tiny SOT-353 ultra-small footprint adapts slim mobile phones, tablets and mini LCD TV modules
  7. Dual clamping voltage specifications for different surge current levels ensure stable overvoltage limiting capability
  8. Wide temperature adaptability guarantees consistent performance for indoor and mild outdoor equipment
  9. Lead-free flame retardant plastic housing meets international green electronic regulations
  10. Uniform tape & reel packaging compatible with all mainstream high-speed SMT pick-and-place equipment

Mechanical Data

  1. Package Type: SOT-353 molded plastic surface-mount package
  2. Standard Packaging: 3000 pieces per 7-inch tape & reel
  3. Outline Size: Standard SOT-353 dimension specifications (unit: mm) as listed in datasheet
  4. Soldering Limit: Maximum lead temperature 260℃ within 10 seconds
  5. Operating Temperature Range: -40℃ ~ +125℃
  6. Storage Temperature Range: -55℃ ~ +150℃
  7. Encapsulation Material: RoHS compliant lead-free flame retardant plastic compound

Applications

  • Notebook computers, desktops and peripheral interface circuits
  • Audio & video equipment: LCD TVs, set-top boxes, monitors
  • Smartphones, mobile accessories and wearable portable electronics
  • High-speed signal interfaces: HDMI, DisplayPort, MDDI
  • Wired communication system signal ports
  • Consumer small household electronic control boards
  • Portable measuring instruments and mini intelligent devices
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Description
SMF05-B SOT-353.pdf
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Datasheet
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