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NZX4V7B

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Nexperia Zener Diodes, DO-204AH(DO-35). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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NZX4V7B

Nexperia · Zener Diodes · DO-204AH(DO-35)

NZX4V7B from Nexperia, in a DO-204AH(DO-35). 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 The cathode is pin 1, and the marking band on the package indicates the cathode.
2 anode passive The anode is pin 2 of the two-lead axial glass package.

Key specifications

Parameter Value
Manufacturer Nexperia
Package DO-204AH(DO-35)
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 (B grade, 4V7) VZ 4.5 4.7 V Tj = 25 °C; IZ = 5 mA 4
Differential resistance rdif 100 Ω IZ = 5 mA 4
Reverse current IR 3 A VR = 2 V 4
Forward voltage VF 1.5 V IF = 200 mA 3
Forward current IF 250 mA 2
Total power dissipation Ptot 500 mW Ttp ≤ 25 °C 2
Junction temperature Tj 175 °C 2
Ambient temperature Tamb -55 175 °C 2
Storage temperature Tstg -65 175 °C 2
Thermal resistance from junction to ambient Rth(j-a) 380 K/W in free air; FR4 PCB without metallization pad, lead length max 8 mm 2
Thermal resistance from junction to tie-point Rth(j-t) 300 K/W FR4 PCB without metallization pad, lead length max 8 mm 2

CAD (KiCad official)

  • Symbol: NZX4V7B
  • Footprint: Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal
  • 3D model: DO-204AH(DO-35) (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Nexperia datasheet (13 pp, sha256 f5f1538bda41f295, retrieved 2026-10-22, tier: manufacturer)
  • 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