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Contents

README

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RCLAMP0521P-FS

FUXINSEMI · Electrostatic And Surge Protection (TVS/ESD) · DFN1006-2

RCLAMP0521P-FS from FUXINSEMI, in a DFN1006-2. 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 fuse; either orientation.
2 2 passive Terminal 2 of an unpolarised fuse; either orientation.

Key specifications

Parameter Value
Manufacturer FUXINSEMI
Package DFN1006-2
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
Reverse Breakdown Voltage VBR 6 V IT = 1mA 2
Reverse Working Voltage VR 5 V 2
Reverse Leakage Current IR 1 μA VR = 5V 2
Peak Pulse Current Ipp 4 A tp = 8/20μs 2
Clamping Voltage VC 22 V IPP = 4.0A, tp = 8/20μs 2
Clamping Voltage VC 13 V IPP = 1.0A, tp = 8/20μs 2
Junction Capacitance CJ 0.22 0.35 pF VR = 0V, f = 1MHz 2
Storage temperature range Tstg -55 150 ℃ TA=25ºC, RH=45%-75% 1
Operating junction temperature range Tj -55 125 ℃ TA=25ºC, RH=45%-75% 1
Lead Soldering Temperature TL 260 ℃ 10 sec. 1
Peak pulse power dissipation PPP 88 W 8/20 μs waveform 1
ESD per IEC 61000-4-2 (Air) VESD -20 20 kV IEC 61000-4-2 Air 1
ESD per IEC 61000-4-2 (Contact) VESD -20 20 kV IEC 61000-4-2 Contact 1

CAD (KiCad official)

  • Symbol: RCLAMP0521P-FS
  • Footprint: Diode_SMD:D_SOD-882
  • 3D model: DFN1006-2 (KiCad packages3D, STEP)
  • 3D model files: rclamp0521p-fs-etched.step / rclamp0521p-fs-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rclamp0521p-fs.step / rclamp0521p-fs.glb are the bare package body.

Provenance

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

  • Datasheet: FUXINSEMI datasheet (4 pp, sha256 d51e95b2de87a3ed, retrieved 2026-10-22, 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