component

BZX585-B75

Public Made by Adom

by adom

Nexperia Zener Diodes, SOD-523(SC-79). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentdiodesbzx585-b75factory-2.0.0extractor-text

Changed since verified BZX585-B75

by Ray · last 30 Oct 2026 · 1 record · files changed since
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 2 pinschanged since
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: BZX585-B75 · SOD-523(SC-79) · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: all 2 pin names found in the 13-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: D_SOD-523
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-o4caqw1r/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • ✓package_fit: height and body within the datasheet's package drawing (datasheet p.9)
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files! bzx585-b75.kicad_sym✓ bzx585-b75.kicad_mod✓ bzx585-b75.step
Spot something wrong? Report it as an issue Propose a fix Records are signed by members of adom.
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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray
viewers bzx585-b75: symbol repaired (D_Zener, cathode pad 1) · Ray
bzx585-b75-etched.glb Publish 0.1.0 · Ray
bzx585-b75-etched.step bzx585-b75: factory component page (tier=mfr) · Ray
bzx585-b75-hero.glb bzx585-b75: hero GLB from the etched model (keeps the MPN mark) · Ray
bzx585-b75-hero.overlay.json Publish 0.1.0 · Ray
bzx585-b75.glb Publish 0.1.0 · Ray
bzx585-b75.kicad_mod Publish 0.1.0 · Ray
bzx585-b75.kicad_sym bzx585-b75: symbol repaired (D_Zener, cathode pad 1) · Ray
bzx585-b75.lbr bzx585-b75: symbol repaired (D_Zener, cathode pad 1) · Ray
bzx585-b75.step Publish 0.1.0 · Ray
package.json Publish 0.1.0 · Ray
page.json Set visibility: public · Ray
README.md Publish 0.1.0 · Ray
verification.json Verified: Published by the parts factory: tier mfr, 2 pins · Ray

BZX585-B75

Nexperia · Zener Diodes · SOD-523(SC-79)

BZX585-B75 from Nexperia, in a SOD-523(SC-79). 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 K passive Cathode of the Zener diode; the marking bar on the package indicates the cathode.
2 A passive Anode of the Zener diode.

Key specifications

Parameter Value
Manufacturer Nexperia
Package SOD-523(SC-79)
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
Working voltage VZ 73.5 76.5 V IZ = 2 mA, Tj = 25 °C 6
Differential resistance rdiff 170 500 Ω IZ = 2 mA 6
Differential resistance rdiff 95 255 Ω IZ = 0.5 mA 6
Reverse current IR 0.05 µA VR = 52.5 V 6
Temperature coefficient SZ 73.4 80.2 88.6 mV/K IZ = 2 mA 6
Diode capacitance Cd 35 pF f = 1 MHz; VR = 0 V 6
Non-repetitive peak reverse current IZSM 0.2 A tp = 100 µs; square wave; Tj = 25 °C before surge 6
Forward voltage VF 0.9 V IF = 10 mA, pulse test tp ≤ 300 μs; δ ≤ 0.02 4
Forward voltage VF 1.1 V IF = 100 mA, pulse test tp ≤ 300 μs; δ ≤ 0.02 4
Forward current IF 200 mA 3
Non-repetitive peak reverse power dissipation PZSM 40 W tp = 100 µs; square wave; Tamb = 25 °C; prior to surge 3
Total power dissipation Ptot 300 mW Tamb = 25 °C, FR4 PCB with approx. 35 mm2 Cu area at cathode tab 3
Junction temperature Tj -65 150 °C 3
Ambient temperature Tamb -65 150 °C 3
Storage temperature Tstg -65 150 °C 3
Thermal resistance junction to ambient Rth(j-a) 350 K/W in free air, FR4 PCB with approx. 35 mm2 Cu area at cathode tab 3
Thermal resistance junction to solder point Rth(j-sp) 65 K/W Soldering point of cathode tab 3

CAD (KiCad official)

  • Symbol: BZX585-B75
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523(SC-79) (KiCad packages3D, STEP)
  • 3D model files: bzx585-b75-etched.step / bzx585-b75-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzx585-b75.step / bzx585-b75.glb are the bare package body.

Provenance

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

  • Datasheet: Nexperia datasheet (13 pp, sha256 ce6f045443a822c0, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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