component
MM3Z15B
Public Made by Adomby adom
Shandong Jingdao Microelectronics Zener Diodes, SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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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README
markdownMM3Z15B
Shandong Jingdao Microelectronics · Zener Diodes · SOD-323
MM3Z15B from Shandong Jingdao Microelectronics, in a SOD-323. 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 | Cathode | passive | Cathode of the zener diode; MM3Z15B has a nominal zener voltage of 15V (14.7V to 15.3V) at IZT = 5 mA. |
| 2 | Anode | passive | Anode of the zener diode; total power dissipation is max 300mW and operating/storage temperature is -55 to +150 °C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shandong Jingdao Microelectronics |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener Voltage Range | VZT | 14.7 | 15 | 15.3 | V | at IZT = 5 mA, pulse 20 ms | 2 |
| Test Current | IZT | 5 | mA | 2 | |||
| Dynamic Impedance | ZZT | 40 | Ω | at IZT | 2 | ||
| Reverse Current | IR | 0.1 | μA | at VR = 11 V | 2 | ||
| Reverse Voltage for IR test | VR | 11 | V | IR test condition | 2 | ||
| Forward Voltage | VF | 0.9 | V | IF = 10 mA | 1 | ||
| Power Dissipation | Ptot | 300 | mW | Ta = 25 °C | 1 | ||
| Operating and Storage Temperature Range | Tj, Tstg | -55 | 150 | °C | Ta = 25 °C | 1 | |
| Thermal resistance junction to ambient | RθJA | 417 | °C/W | PCB mounted with 2.0" x 2.0" (5 x 5 cm) copper pads | 1 | ||
| Zener voltage tolerance | -2 | 2 | % | approximately ±2% | 1 |
CAD (KiCad official)
- Symbol:
MM3Z15B - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
mm3z15b-etched.step/mm3z15b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mm3z15b.step/mm3z15b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shandong Jingdao Microelectronics datasheet (3 pp, sha256
dce1721e8cd95838, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-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).