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SMAJ12A-E3/61 – 400W TVS Diode, 12V, Unidirectional, SMA Package, ROHS


  • 12V unidirectional TVS diode with 400W peak pulse power

  • Clamping voltage: ~19.9V @ 21.1A surge current

  • Response time: <1ns for fast-acting ESD protection

  • SMA (DO-214AC) package, surface-mount compatible

  • Ideal for protecting DC lines, signal buses, and I/O interfaces

  • RoHS compliant and JEDEC registered

24.00

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The SMAJ12A-E3/61 is a unidirectional transient voltage suppression (TVS) diode designed to protect sensitive electronics from electrostatic discharge (ESD), lightning surges, and other transient voltage events. With a peak pulse power capability of 400W (10/1000μs waveform) and a standoff voltage of 12V, this device clamps high-voltage spikes effectively to protect downstream circuits.

Encased in the SMA (DO-214AC) surface-mount package, it offers compact protection ideal for use in telecom, automotive, industrial, and consumer electronics. This component is RoHS compliant and meets JEDEC standards for reliability.

Parameter Value
Part Number SMAJ12A-E3/61
Type Unidirectional TVS Diode
Breakdown Voltage (VBR) 13.3V (min)
Standoff Voltage (VR) 12V
Clamping Voltage (VC) 19.9V @ 21.1A
Peak Pulse Current (IPP) 21.1A
Peak Pulse Power (PPP) 400W (10/1000μs waveform)
Response Time <1ns
Package SMA (DO-214AC)
Mounting Type Surface Mount (SMD)
Operating Temperature Range –55°C to +150°C
Polarity Unidirectional
RoHS Compliant Yes
Manufacturer Vishay / Other Equivalent

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