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ZM4735A

Public Made by Adom

by adom

MSKSEMI Zener Diodes, LL-41. 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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ZM4735A

MSKSEMI · Zener Diodes · LL-41

ZM4735A from MSKSEMI, in a LL-41. 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 MSKSEMI
Package LL-41
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
Storage Temperature Range Tstg -65 175 ℃ 2
Junction Temperature Tj 175 ℃ 2
Power Dissipation Ptot 1 W Electrodes kept at ambient temperature 2
Dynamic Resistance ZZT 2 Ω at IZT = 41 mA 3
Dynamic Resistance ZZK 700 Ω at IZK = 1 mA 3
Reverse Current IR 10 µA at VR = 3 V 3
Maximum Surge Current IZSM 730 mA Non-repetitive 1/120 s surge superimposed on IZT 3
Maximum Regulator Current IZM 146 mA Ta = 25 ℃ 3
Zener Voltage Tolerance (suffix A) -5 5 % Suffix A = ±5% tolerance 2
Nominal Zener Voltage VZnom 6.2 V at IZT = 41 mA 3
Forward Voltage VF 1 V at IF = 100 mA 2
Thermal Resistance Junction to Ambient Air RthA 0.3 K/mW Valid provided that electrodes are kept at ambient temperature 2

CAD (KiCad official)

  • Symbol: ZM4735A
  • Footprint: Diode_SMD:D_MELF
  • 3D model: LL-41 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: MSKSEMI datasheet (5 pp, sha256 2fe699a8fd952775, 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