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BZV49-C4V7

Public Made by Adom

by adom

Nexperia Zener Diodes, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BZV49-C4V7

Nexperia · Zener Diodes · SOT-89-3

BZV49-C4V7 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 A passive Anode of the voltage regulator diode (SOT89 pin 1).
2 K passive Cathode of the voltage regulator diode, connected to the collector pad for heat transfer (SOT89 pin 2).
3 A passive Anode of the voltage regulator diode (SOT89 pin 3).

Key specifications

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

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Working voltage VZ 4.4 5 V IZtest = 5 mA; Tj = 25 °C 5
Differential resistance rdif 50 80 Ω IZtest = 5 mA; Tj = 25 °C 5
Temperature coefficient SZ -3.5 -1.4 0.2 mV/K IZtest = 5 mA; Tj = 25 °C 5
Diode capacitance Cd 300 pF f = 1 MHz; VR = 0 V 5
Reverse current IR 3 μA Tj = 25 °C 5
Non-repetitive peak reverse current IZSM 6 A tp = 100 μs; Tamb = 25 °C 5
Test current IZtest 5 mA Tj = 25 °C 5
Forward voltage VF 1 V IF = 50 mA 4
Continuous forward current IF 250 mA 4
Total power dissipation Ptot 1 W Tamb = 25 °C; ceramic substrate 2.5 cm2, 0.7 mm 4
Non-repetitive peak reverse power dissipation PZSM 40 W tp = 100 μs; square wave; Tj = 25 °C prior to surge 4
Storage temperature Tstg -65 150 °C 4
Junction temperature Tj 150 °C 4
Thermal resistance junction to tie-point Rth(j-tp) 15 K/W 7
Thermal resistance junction to ambient Rth(j-a) 125 K/W ceramic substrate 2.5 cm2, 0.7 mm 7

CAD (KiCad official)

  • Symbol: BZV49-C4V7
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: bzv49-c4v7-etched.step / bzv49-c4v7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzv49-c4v7.step / bzv49-c4v7.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 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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