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SMA4735AQ

Public Made by Adom

by adom

Yangzhou Yangjie Elec Tech Zener Diodes, SMA(DO-214AC). 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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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

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SMA4735AQ

Yangzhou Yangjie Elec Tech · Zener Diodes · SMA(DO-214AC)

SMA4735AQ from Yangzhou Yangjie Elec Tech, in a SMA(DO-214AC). 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 Yangzhou Yangjie Elec Tech
Package SMA(DO-214AC)
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
Nominal Zener voltage VZ 5.89 6.2 6.51 V at IZT = 41.0 mA; nominal range 95% to 105% of typ VZ 2
Maximum dynamic impedance ZZT 2 Ω at IZT = 41.0 mA 2
Maximum dynamic impedance (knee) ZZK 700 Ω at IZK = 1.00 mA 2
Maximum reverse leakage current IR 10 μA at VR = 3.0 V 2
Maximum DC Zener current IZM 146 mA 2
DC power dissipation PD 1 W at TL = 75 °C 1
Maximum instantaneous forward voltage VF 1.2 V at IF = 200 mA 1
Maximum junction temperature Tj -55 150 ℃ 1
Storage temperature range Tstg -55 150 ℃ 1
Thermal resistance, junction to lead (typical) RθJ-L 30 ℃/W junction to lead; PCB with 0.4" x 0.4" (10 mm x 10 mm) copper pad areas 1
Thermal resistance, junction to ambient (typical) RθJ-A 120 ℃/W junction to ambient; PCB with 0.4" x 0.4" (10 mm x 10 mm) copper pad areas 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
housing black 4. Body color: Black 4
contacts tin ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: SMA4735AQ
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
  • 3D model files: sma4735aq-etched.step / sma4735aq-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sma4735aq.step / sma4735aq.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256 d94511e2d36e7cd4, retrieved 2026-10-21, 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