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BZV49-C4V3

Nexperia · Zener Diodes · SOT-89-3

BZV49-C4V3 from Nexperia, in a SOT-89-3. 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 anode passive Anode terminal of the BZV49 voltage regulator diode; the device is rated for 250 mA continuous forward current and 1 W total power dissipation at Tamb = 25 °C (mounted on a ceramic substrate, 2.5 cm², 0.7 mm).
2 cathode passive Cathode terminal of the regulator diode; the SOT89 package includes a collector pad for good heat transfer.
3 anode passive Second anode terminal of the regulator diode, electrically the same anode as pin 1; the device is rated for 250 mA continuous forward current and 1 W total power dissipation at Tamb = 25 °C.

Key specifications

Parameter Value
Manufacturer Nexperia
Package SOT-89-3
Category Diodes
Pins 3

CAD (KiCad official)

  • Symbol: BZV49-C4V3
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: bzv49-c4v3-etched.step / bzv49-c4v3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzv49-c4v3.step / bzv49-c4v3.glb are the bare package body.

Provenance

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

  • Datasheet: Nexperia datasheet (11 pp, sha256 d11cb65034cc8cae, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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