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SMAJ15CAT

Agertech · TVS · SMA

SMAJ15CAT from Agertech, in a SMA. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 Cathode passive Cathode terminal of the SMA outline, listed as pin 1 in the PINNING table; the datasheet gives no separate voltage or current limit for this pin.
2 Anode passive Anode terminal of the SMA outline, listed as pin 2 in the PINNING table; the datasheet gives no separate voltage or current limit for this pin.

Key specifications

Parameter Value
Manufacturer Agertech
Package SMA
Category TVS/Fuse/Board Level Protection
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Breakdown voltage, minimum VBR 16.7 V @ IT (test current 1 mA), Table 1, bipolar SMAJ15CA column 2
Breakdown voltage, maximum VBR 18.5 V @ IT (test current 1 mA), Table 1, bipolar SMAJ15CA column 2
Reverse leakage current IR 1 µA @ VRRM (15 V), Table 1 2
Maximum clamp voltage VC 24.4 V @ IPP (16.4 A), 10/1000 µs waveform, Table 1 2
Peak pulse current IPP 16.4 A 10/1000 µs waveform, Table 1, bipolar SMAJ15CA column 2
Reverse stand-off voltage VRRM 15 V Table 1, bipolar SMAJ15CA column 2
Peak pulse power dissipation PPPM 400 W TA=25°C, 10/1000 µs waveform (Note 1,2,4, Fig 1) 1
ESD voltage per IEC61000-4-2, contact VESD1 30 kV Contact discharge per IEC 61000-4-2 1
ESD voltage per IEC61000-4-2, air VESD2 30 kV Air discharge per IEC 61000-4-2 1
Operating junction and storage temperature range Tj, Tstg -65 150 °C Operating junction temperature and storage temperature range 1
Typical thermal resistance, junction to ambient RθJA 100 °C/W Mounted on 5 mm² copper pads to each terminal (Note 2) 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper 2 copper pads to each terminal. 3. Peak Forward Surge Current : 8.3ms single half sine-wave Superimposed on rated load (JEDEC method). 4. Peak pulse power waveform is 10/1000μS. 1

CAD (KiCad official)

  • Symbol: SMAJ15CAT
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA (KiCad packages3D, STEP)
  • 3D model files: smaj15cat-etched.step / smaj15cat-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smaj15cat.step / smaj15cat.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Agertech datasheet (4 pp, sha256 a2c72e24415df2dc, retrieved 2026-10-28, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF