Manufacturer Part NumberSMAJ45CA
DescriptionTVS 45volts 5uA 5.5 Amps Bi-Dir
Stock CodeW000309
DownloadTechnical Datasheet

The SMAJ series surface-mount Transient Voltage Suppression Diode designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. It is ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuits. It is used for surface mounted applications in order to optimize board space.

  • 400W Peak pulse power capability at 10×1000μs waveform
  • Glass passivated junction
  • Low inductance
  • Excellent clamping capability
  • 0.01% Repetition rate (duty cycle)
  • <1ps from 0V to V(BR) Minimum fast response time
  • Available in unidirectional and bidirectional
  • ESD protection of data lines in accordance with IEC 61000-4-2 (IEC801-2)
  • EFT protection of data lines in accordance with IEC 61000-4-4 (IEC801-4)
  • -65 to 150°C Operating temperature range



Number of Pins



Cut Tape (CT)

Mounting Style

Surface Mount

Breakdown Voltage

55.3 V (max)