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P4SMAJ18A_R1_00001

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PANJIT International ESD And Surge Protection (TVS/ESD), SMA(DO-214AC). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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P4SMAJ18A_R1_00001

PANJIT International · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)

P4SMAJ18A_R1_00001 from PANJIT International, in a SMA(DO-214AC). 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 1 passive Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation.
2 2 passive Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation.

Key specifications

Parameter Value
Manufacturer PANJIT International
Package SMA(DO-214AC)
Category Circuit 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 (unidirectional, P4SMAJ18A) VBR 20 22.1 V I_T = 1 mA 2
Max. clamp voltage (unidirectional, P4SMAJ18A) VC 29.2 V I_PP = 13.7 A, 10/1000 µs waveform 2
Peak pulse power dissipation PPP 400 W T_A = 25°C, Notes 1,2,5, Fig.1, 10/1000 µs waveform 1
Peak forward surge current IFSM 40 A Notes 3, 8.3 ms single half sine-wave 1
Operating junction and storage temperature range TJ, TSTG -55 150 °C 1
Typical thermal resistance junction to air RθJA 70 °C/W Notes 2, mounted on 5 mm² copper pads to each terminal 1
ESD IEC-61000-4-2 (Air) VESD 30 kV IEC-61000-4-2 Air 1
ESD IEC-61000-4-2 (Contact) VESD 30 kV IEC-61000-4-2 Contact 1

CAD (KiCad official)

  • Symbol: P4SMAJ18A_R1_00001
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
  • 3D model files: p4smaj18a-r1-00001-etched.step / p4smaj18a-r1-00001-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); p4smaj18a-r1-00001.step / p4smaj18a-r1-00001.glb are the bare package body.

Provenance

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

  • Datasheet: PANJIT International datasheet (7 pp, sha256 61e684d1e8fd8c33, retrieved 2026-10-15, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (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