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BZT52C33S RRG

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Taiwan Semiconductor Zener Diodes, SOD-323F. Diode: pin 1 is the cathode (the banded end) by the KiCad diode-footprint convention, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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docs Publish 0.1.0 · Ray
viewers bzt52c33s-rrg: symbol repaired (D_Zener, cathode pad 1) · Ray
bzt52c33s-rrg-etched.glb Publish 0.1.0 · Ray
bzt52c33s-rrg-etched.step bzt52c33s-rrg: factory component page (tier=lcsc) · Ray
bzt52c33s-rrg-hero.glb bzt52c33s-rrg: hero GLB from the etched model (keeps the MPN mark) · Ray
bzt52c33s-rrg-hero.overlay.json Publish 0.1.0 · Ray
bzt52c33s-rrg.glb Publish 0.1.0 · Ray
bzt52c33s-rrg.kicad_mod Publish 0.1.0 · Ray
bzt52c33s-rrg.kicad_sym bzt52c33s-rrg: symbol repaired (D_Zener, cathode pad 1) · Ray
bzt52c33s-rrg.lbr bzt52c33s-rrg: symbol repaired (D_Zener, cathode pad 1) · Ray
bzt52c33s-rrg.step Publish 0.1.0 · Ray
package.json Brief: a diode is polarised (pin 1 = cathode); the "Unpolarised two-terminal part" sentence was wrong · Ray
page.json brief: polarity sentence corrected · Ray
README.md Publish 0.1.0 · Ray

BZT52C33S RRG

Taiwan Semiconductor · Zener Diodes · SOD-323F

BZT52C33S RRG from Taiwan Semiconductor, in a SOD-323F. 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 Taiwan Semiconductor
Package SOD-323F
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 (nominal, min, max) VZ 31.35 33 34.65 V IZT = 2 mA; pulse 30 ms (Note 1) 2
Zener voltage tolerance VZ -5 5 % standard tolerance on normal zener voltage (Note 2) 3
Zener impedance ZZT 80 Ω IZT = 2 mA 2
Zener impedance (knee) ZZK 306 Ω IZK = 0.5 mA 2
Leakage current IR 0.045 µA VR = 23 V 2
Power dissipation PD 200 mW 1
Junction temperature range TJ -65 150 °C 1
Storage temperature range TSTG -65 150 °C 1
Forward voltage VF 1 V IF = 10 mA 1
Junction-to-ambient thermal resistance RӨJA 625 °C/W 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin ● Terminal: Matte tin plated leads, solderable per J-STD-002 ● Polarity: Indicated by cathode band 1

CAD (KiCad official)

  • Symbol: BZT52C33S RRG
  • Footprint: Diode_SMD:D_SOD-323F
  • 3D model: SOD-323F (KiCad packages3D, STEP)
  • 3D model files: bzt52c33s-rrg-etched.step / bzt52c33s-rrg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52c33s-rrg.step / bzt52c33s-rrg.glb are the bare package body.

Provenance

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

  • Datasheet: Taiwan Semiconductor datasheet (7 pp, sha256 a38bdb16f27c25cf, retrieved 2026-10-16, 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