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BZT52C56S RRG

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Taiwan Semiconductor Zener Diodes, SOD-323F. 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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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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BZT52C56S RRG

Taiwan Semiconductor · Zener Diodes · SOD-323F

BZT52C56S 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 (VZ) VZ 53.2 56 58.8 V @ IZT = 2 mA 2
Zener voltage tolerance (standard device) -5 5 % Standard tolerance on normal zener voltage 3
Zener impedance ZZT 200 Ω @ IZT = 2 mA 2
Zener impedance (knee) ZZK 400 Ω @ IZK = 0.5 mA 2
Leakage current IR 0.045 µA @ VR = 39.2 V 2
Power dissipation PD 200 mW 1
Forward voltage VF 1 V @ IF = 10 mA 1
Junction temperature range TJ -65 150 °C 1
Storage temperature range TSTG -65 150 °C 1
Junction-to-ambient thermal resistance RӨJA 625 °C/W 1

CAD (KiCad official)

  • Symbol: BZT52C56S RRG
  • Footprint: Diode_SMD:D_SOD-323F
  • 3D model: SOD-323F (KiCad packages3D, STEP)
  • 3D model files: bzt52c56s-rrg-etched.step / bzt52c56s-rrg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52c56s-rrg.step / bzt52c56s-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 2026-10-15, 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