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ZMM5230

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

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ZMM5230

JSMSEMI · Zener Diodes · MiniMELF

ZMM5230 from JSMSEMI, in a MiniMELF. 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 of the zener diode, marked by the color band; the datasheet gives VZ 4.7 V at IZT 20 mA for ZMM5230.
2 A passive Anode end of the zener diode; the datasheet gives 500 mW power dissipation at Tamb=75°C and a junction temperature of 175°C.

Key specifications

Parameter Value
Manufacturer JSMSEMI
Package MiniMELF
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
Maximum zener impedance ZZT 19 Ω @ IZT = 20 mA 2
Maximum zener impedance (knee) ZZK 1900 Ω @ IZK 2
Typical temperature coefficient of zener voltage αVZ -0.03 0.03 %/°C 2
Maximum reverse leakage current IR 5 µA @ VR = 2.0 V 2
Maximum DC zener current IZM 97 mA 2
Power dissipation Ptot 500 mW Tamb=75°C (Note 1) 1
Thermal resistance junction to ambient RTJA 300 K/W Note 1 1
Junction temperature TJ 175 °C 1
Storage temperature range TSTG -55 175 °C 1
Nominal zener voltage VZ 4.7 V @ IZT = 20 mA 2
Zener test current IZT 20 mA 2

CAD (KiCad official)

  • Symbol: ZMM5230
  • Footprint: Diode_SMD:D_MiniMELF
  • 3D model: MiniMELF (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: JSMSEMI datasheet (3 pp, sha256 d707d847fddefdb1, 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