main
Ray Publish 0.1.0 9d13b6b 11d ago

HSTS521033B950

HXY MOSFET · Electrostatic And Surge Protection (TVS/ESD) · SOD-523

HSTS521033B950 from HXY MOSFET, in a SOD-523. 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 HXY MOSFET
Package SOD-523
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
Reverse leakage current IR 1 µA @ VRWM 2
Breakdown voltage (min) VBR 5.6 V @ IT (Note 1); pulse test current at 25°C 2
Breakdown voltage (max) VBR 7.8 V @ IT (Note 1); pulse test current at 25°C 2
Clamping voltage VC 11 V @ Max IPP 2
Maximum peak pulse current IPP 9 A Surge current waveform per Figure 1 2
Peak pulse power PPK 100 W Surge current waveform per Figure 1 2
Device capacitance C 15 pF 2
Peak pulse power (absolute) PPP 100 W tp = 8/20 µs 1
Maximum lead temperature for soldering TL 260 °C 10 s 1
Storage temperature range Tstg -55 155 °C 1
Operating temperature range Top -40 125 °C 1
Maximum junction temperature Tj 150 °C 1
ESD IEC61000-4-2 air discharge -15 15 kV IEC61000-4-2 air discharge 1
ESD IEC61000-4-2 contact discharge -8 8 kV IEC61000-4-2 contact discharge 1
EFT IEC61000-4-4 40 A 1
ESD voltage, Human Body Model 16 kV Human Body Model 1
Reverse stand-off voltage VRWM 3.3 V 2

CAD (KiCad official)

  • Symbol: HSTS521033B950
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: hsts521033b950-etched.step / hsts521033b950-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hsts521033b950.step / hsts521033b950.glb are the bare package body.

Provenance

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

  • Datasheet: HXY MOSFET datasheet (4 pp, sha256 36d12d3f37583749, retrieved 2026-10-28, 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