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CDZVT2R20B

Public Made by Adom

by adom

ROHM Semicon Zener Diodes, SOD-923. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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CDZVT2R20B

ROHM Semicon · Zener Diodes · SOD-923

CDZVT2R20B from ROHM Semicon, in a SOD-923. 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 ROHM Semicon
Package SOD-923
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
Zener voltage (min) VZ 19.52 V Iz=2.0 mA, 40 ms pulse; CDZV20B row 2
Zener voltage (max) VZ 20.39 V Iz=2.0 mA, 40 ms pulse; CDZV20B row 2
Dynamic impedance ZZ 85 Ω Iz=2.0 mA, small AC current superimposed 2
Zener impedance ZZK 100 Ω Iz=0.5 mA 2
Reverse current IR 0.1 μA VR=15.0 V 2
Power dissipation PD 100 mW Ta=25℃ 1
Junction temperature Tj 150 ℃ 1
Storage temperature Tstg -55 150 ℃ 1

CAD (KiCad official)

  • Symbol: CDZVT2R20B
  • Footprint: Diode_SMD:D_SOD-923
  • 3D model: SOD-923 (KiCad packages3D, STEP)
  • 3D model files: cdzvt2r20b-etched.step / cdzvt2r20b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cdzvt2r20b.step / cdzvt2r20b.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (9 pp, sha256 f229fd0f89f34a24, retrieved 2026-10-15, tier: lcsc)
  • 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