component

TCLLZ43VTR

Public Made by Adom

by adom

Tak Cheong Zener Diodes, LL-34. 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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TCLLZ43VTR

Tak Cheong · Zener Diodes · LL-34

TCLLZ43VTR from Tak Cheong, in a LL-34. 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 Tak Cheong
Package LL-34
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 tolerance (standard, nominal VZ) VZ -5 5 % Standard tolerance on nominal zener voltage (Note 1) 2
Power Dissipation PD 500 mW TA = 25°C 1
Storage Temperature Range TSTG -65 175 °C 1
Operating Junction Temperature TJ 175 °C 1
Forward Voltage VF 1.2 V IF = 200 mA, for all types 2
Reverse Current IR 0.2 A VR = 33 V 2
Nominal Zener Voltage VZ 43 V IZT = 2 mA 2
Zener Test Current IZT 2 mA Nominal test current for TCLLZ43V 2
Zener Impedance ZZT 90 Ω IZT = 2 mA; 60-cycle AC, rms 10% of IZT superimposed (Note 3) 2

CAD (KiCad official)

  • Symbol: TCLLZ43VTR
  • Footprint: Diode_SMD:D_MiniMELF
  • 3D model: LL-34 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Tak Cheong datasheet (5 pp, sha256 c5238b28a9543714, 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