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TT0521NBX

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Shenzhen JingYang ESD And Surge Protection (TVS/ESD), DFN1006-2. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TT0521NBX

Shenzhen JingYang · ESD And Surge Protection (TVS/ESD) · DFN1006-2

TT0521NBX from Shenzhen JingYang, 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 I/O_1 passive Bidirectional TVS clamp on one data line, with 12pF typical capacitance and low leakage of 0.01μA typical at VRWM (5.0V).
2 I/O_2 passive Bidirectional TVS clamp on the other side of the protected data line, with 12pF typical capacitance and low leakage of 0.01μA typical at VRWM (5.0V).

Key specifications

Parameter Value
Manufacturer Shenzhen JingYang
Package DFN1006-2
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
Nominal Reverse Working Voltage VRWM 5 V 2
Reverse Leakage Current @ VRWM IR 0.01 0.1 μA VRWM = 5.0V, T = 25C 2
Trigger Voltage Vt1 5.5 7.5 V It1 = 10nA 2
Holding Voltage Vh 5.2 6 V Ih = 1mA 2
Clamping Voltage @ IPP VC 6 V IPP = 1A, tp = 8/20μs 2
Clamping Voltage @ IPP VC 9 V IPP = 10A, tp = 8/20μs 2
Reverse Clamping Voltage @ IPP VCR 7 V 2
Parasitic Capacitance CESD 12 18 pF VR = 0V, f = 1MHz 2
ESD per IEC61000-4-2 (Air) VESD -30 30 kV ESD per IEC61000-4-2 (Air) 2
ESD per IEC61000-4-2 (Contact) VESD -30 30 kV ESD per IEC61000-4-2 (Contact) 2
Peak Pulse Current (8/20μs) IPP 10 A 8/20μs 2
Peak Pulse Power (8/20μs) PPK 100 W 8/20μs 2
Operating Temperature TOPT -55 125 C 2
Storage Temperature TSTG -55 150 C 2

CAD (KiCad official)

  • Symbol: TT0521NBX
  • Footprint: Diode_SMD:D_SOD-882
  • 3D model: DFN1006-2 (KiCad packages3D, STEP)
  • 3D model files: tt0521nbx-etched.step / tt0521nbx-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tt0521nbx.step / tt0521nbx.glb are the bare package body.

Provenance

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

  • Datasheet: Shenzhen JingYang datasheet (6 pp, sha256 d1dca4961101bf8a, retrieved 2026-10-21, 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