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1N4757A-TAP

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Vishay Intertech Zener Diodes, DO-204AL(DO-41). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componentdiodes1n4757a-tapfactory-2.0.0extractor-text

Verified 1N4757A-TAP

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

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 2 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: 1N4757A-TAP · DO-204AL(DO-41) · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: all 2 pin names found in the 4-page datasheet
  • ✓distributor: lcsc C467493, digikey 1N4757A-TAPGICT-ND, mouser 78-1N4757A-TAP
  • ✓family: D_DO-41_SOD81_P10.16mm_Horizontal
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-w47fw54m/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 records
  • •package_fit (skip): the datasheet dimensions give no height or body size to compare (datasheet p.3)
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ 1n4757a-tap.kicad_sym✓ 1n4757a-tap.kicad_mod✓ 1n4757a-tap.step
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Ray Publish 0.1.0 a986cbe 14h ago

1N4757A-TAP

Vishay Intertech · Zener Diodes · DO-204AL(DO-41)

1N4757A-TAP from Vishay Intertech, in a DO-204AL(DO-41). 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer Vishay Intertech
Package DO-204AL(DO-41)
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
Power dissipation Ptot 1300 mW Leads at 4 mm from case kept at ambient temperature 1
Junction temperature Tj 175 °C 1
Storage temperature range Tstg -65 175 °C 1
Thermal resistance junction to ambient air RthJA 110 K/W Leads at 4 mm from case kept at ambient temperature 1
Forward voltage (max.) VF 1.2 V IF = 200 mA 1
Zener voltage tolerance (standard) VZ -5 5 % Standard Zener voltage tolerance per Features 1
Reverse leakage current IR 5 µA At VR = 38.8 V 2
Dynamic resistance ZZT ZZT 95 Ω At IZT = 5 mA, f = 1 kHz 2
Dynamic resistance ZZK ZZK 1500 Ω At IZK = 0.25 mA, f = 1 kHz 2
Surge current 90 mA tp = 10 ms (note 3) 2
Regulator current IZM 18 mA Electrodes at 4 mm from case kept at ambient temperature (note 2) 2
Zener voltage (nominal) VZ 51 V At IZT = 5 mA (note 1) 2

CAD (KiCad official)

  • Symbol: 1N4757A-TAP
  • Footprint: Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal
  • 3D model: DO-204AL(DO-41) (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Vishay Intertech datasheet (4 pp, sha256 eb90cfa1f22db38f, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band 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