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smb3z16a

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Yangzhou Yangjie Elec Tech Zener Diodes, SMB(DO-214AA). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SMB3Z16A

Yangzhou Yangjie Elec Tech · Zener Diodes · SMB(DO-214AA)

SMB3Z16A from Yangzhou Yangjie Elec Tech, in a SMB(DO-214AA). 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 end, marked by the cathode line; the Zener voltage is 16.0 V typ (15.20 V to 16.80 V) at IZT = 47 mA when this pin is positive relative to the anode.
2 A passive Anode end; forward voltage is 1.5 V max at IF = 200 mA, with DC power dissipation of 3.0 W max at TL = 75 °C.

Key specifications

Parameter Value
Manufacturer Yangzhou Yangjie Elec Tech
Package SMB(DO-214AA)
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
DC power dissipation PD 3 W TL = 75 °C 1
Maximum instantaneous forward voltage VF 1.5 V IF=200mA 1
Junction temperature Tj -55 150 ℃ 1
Storage temperature range Tstg -55 150 ℃ 1
Zener voltage VZ 15.2 16 16.8 V at IZT 2
Test current IZT 47 mA 2
Maximum dynamic impedance ZZT 5.5 Ω at IZT 2
Maximum dynamic impedance (knee) ZZK 700 Ω at IZK 2
Knee test current IZK 0.25 mA 2
Maximum reverse leakage current IR 0.5 μA VR = 12.2 V 2
Maximum DC Zener current IZM 169 mA 2

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 ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: SMB3Z16A
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
  • 3D model files: smb3z16a-etched.step / smb3z16a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smb3z16a.step / smb3z16a.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (6 pp, sha256 579c495c1ce31d4c, retrieved 2026-10-22, tier: lcsc)
  • 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