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SMF22CA TVS Diode SOD-123FL

SMF22CA is a bidirectional surface-mount transient voltage suppressor (TVS) built in standard JEDEC SOD-123FL package. It is designed to protect electronic circuits and sensitive components from positive and negative transient voltage spikes and electrical surges. This device features 200W peak pulse power under 10/1000μs waveform and 1000W peak pulse power under 8/10μs waveform, serving as a reliable overvoltage protection solution for diverse electronic products.

Description

SMF22CA is a bidirectional surface-mount transient voltage suppressor (TVS) built in standard JEDEC SOD-123FL package. It is designed to protect electronic circuits and sensitive components from positive and negative transient voltage spikes and electrical surges. This device features 200W peak pulse power under 10/1000μs waveform and 1000W peak pulse power under 8/10μs waveform, serving as a reliable overvoltage protection solution for diverse electronic products.

Features

  • Peak pulse power: 200W (10/1000μs surge waveform), 1000W (8/10μs surge waveform)
  • Electrical parameters at 25℃: VRWM=22.0V, VBR=24.4V~26.9V @ 1mA, IR≤1.0μA @ 22.0V, VC=35.5V @ 5.6A
  • Low incremental surge resistance and excellent voltage clamping performance
  • Low-profile SMD structure, specially designed for surface mount assembly
  • High temperature soldering resistance: withstand 260℃ for 10 seconds at terminals
  • DC power dissipation: 385mW; Power derating: 4.0mW/℃ above 25℃
  • Wide temperature range for operation and storage

Our advantages

  • Bidirectional protection design effectively suppresses both positive and negative voltage transients
  • Outstanding clamping capacity quickly absorbs surge energy to protect delicate electronic parts
  • Dual power ratings adapt to different surge test standards and application scenarios
  • Compact SOD-123FL package saves PCB space for miniaturized electronic devices
  • Low thermal resistance ensures superior heat dissipation and long-term stable operation
  • Complies with standard soldering requirements, enabling easy SMT mass production
  • Stable electrical performance under wide temperature variations, suitable for complex working environments

Mechanical Data

  • Package: JEDEC SOD-123FL molded plastic with passivated chip
  • Polarity: Bidirectional type with no polarity restriction; color band marks the positive end
  • Mounting: Can be installed in any position
  • Approximate weight: 0.02 gram (0.006 ounces)
  • Thermal Resistance (Junction to Ambient): 325 ℃/W
  • Thermal Resistance (Junction to Lead): 26 ℃/W
  • Operating Junction Temperature: -55℃ ~ +150℃
  • Storage Temperature: -55℃ ~ +150℃
  • Main dimensions (mm): A: 3.58~3.72, B: 2.72~2.78, C: 1.77~1.83

Applications

This bidirectional TVS diode is widely applied in computer systems, household appliances, video input modules, consumer electronics and other equipment that requires ESD and bidirectional transient surge protection.
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Description
SMF22CA SOD-123FL.pdf
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Datasheet
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