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BZT55C15 L1G

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

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BZT55C15 L1G

Taiwan Semiconductor(Taiwan Semicon) · Zener Diodes · MiniMELF

BZT55C15 L1G from Taiwan Semiconductor(Taiwan Semicon), in a MiniMELF. 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(Taiwan Semicon)
Package MiniMELF
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 13.8 15 15.6 V VZ @ IZT=5 mA, pulse 30 ms (Note 1) 2
Zener voltage tolerance -5 5 % Standard tolerance on nominal zener voltage (Note 2) 3
Zener impedance ZZT 30 Ω @ IZT=5 mA 2
Zener impedance (knee) ZZK 110 Ω @ IZK=1 mA 2
Leakage current IR 0.1 µA @ VR=11 V 2
Power dissipation PD 500 mW 1
Junction temperature range TJ -65 175 °C 1
Storage temperature range TSTG -65 175 °C 1
Forward voltage VF 1 V @ IF=10mA 1
Junction-to-ambient thermal resistance RӨJA 500 °C/W Junction-to-ambient 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: BZT55C15 L1G
  • Footprint: Diode_SMD:D_MiniMELF
  • 3D model: MiniMELF (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Taiwan Semiconductor(Taiwan Semicon) datasheet (6 pp, sha256 df9e3dee173df607, retrieved 2026-10-28, 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