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Contents

README

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NSR20F40NXT5G

onsemi · Schottky Diodes · 0603

NSR20F40NXT5G from onsemi, in a 0603. 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 Schottky barrier diode, marked by the cathode band and PIN 1 indicator on the package; device maximum ratings are 40 V reverse voltage and 2.0 A DC forward current.
2 ANODE passive Anode terminal of the Schottky barrier diode; the device maximum ratings are 40 V reverse voltage and 2.0 A DC forward current, with a repetitive peak forward current of 4.0 A.

Key specifications

Parameter Value
Manufacturer onsemi
Package 0603
Category Diodes
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 Voltage VR 40 V 1
Forward Current (DC) IF 2 A 1
Forward Surge Current IFSM 28 A 60 Hz @ 1 cycle 1
Repetitive Peak Forward Current IFRM 4 A Pulse Wave = 1 sec, Duty Cycle = 66% 1
ESD Rating: Human Body Model 8 kV Printed as > 8 kV (lower bound) 1
ESD Rating: Machine Model 400 V Printed as > 400 V (lower bound) 1
Storage Temperature Range Tstg -40 125 °C 2
Junction Temperature TJ 150 °C 2
Reverse Leakage IR 15 A VR = 10 V 2
Reverse Leakage IR 150 A VR = 40 V 2
Forward Voltage VF 0.47 V IF = 1.0 A, TA = 25°C 2
Forward Voltage VF 0.55 V IF = 2.0 A, TA = 25°C 2
Thermal Resistance Junction-to-Ambient (Note 1) RJA 213 °C/W Mounted onto 4 in square FR-4 board, 50 mm sq, 1 oz Cu, steady state 2
Thermal Resistance Junction-to-Ambient (Note 2) RJA 80 °C/W Mounted onto 4 in square FR-4 board, 1 in sq, 1 oz Cu, steady state 2
Total Power Dissipation (Note 1) PD 586 mW TA = 25°C, Note 1 board 2
Total Power Dissipation (Note 2) PD 1.56 W TA = 25°C, Note 2 board 2

CAD (KiCad official)

  • Symbol: NSR20F40NXT5G
  • Footprint: Diode_SMD:D_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: nsr20f40nxt5g-etched.step / nsr20f40nxt5g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); nsr20f40nxt5g.step / nsr20f40nxt5g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (3 pp, sha256 8d2ac0a127259d0e, retrieved 2026-10-18, 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