component
SMBJ5352B-MS
Public Made by Adomby adom
MSKSEMI Zener Diodes, SMB. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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
markdownSMBJ5352B-MS
MSKSEMI · Zener Diodes · SMB
SMBJ5352B-MS from MSKSEMI, in a SMB. 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 | SMB |
| 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 tolerance | VZ | -5 | 5 | % | Devices listed have ±5% tolerance on nominal VZ | 4 | |
| Nominal regulator voltage | VZ | 15 | V | IZ=75mA, 25°C | 3 | ||
| Maximum dynamic impedance | ZZT | 2.5 | Ω | IZ=75mA | 3 | ||
| Maximum reverse current | IR | 1 | µA | VR=11.5V | 3 | ||
| Maximum regulator current | IZM | 315 | mA | ±5% tolerance devices | 3 | ||
| Maximum dynamic knee impedance | ZZK | 75 | Ω | @1.0mA | 3 | ||
| Maximum surge current | IZSM | 6.3 | A | 8.3ms nonrecurring sine wave | 3 | ||
| Maximum voltage regulation | ΔVZ | 0.25 | V | Difference between VZ at 10% and 50% IZM | 3 | ||
| Test current | IZ | 75 | mA | 25°C | 3 | ||
| Test voltage for reverse current | VR | 11.5 | V | 3 | |||
| Maximum forward voltage | VF | 1.2 | V | IF=1.0A | 2 | ||
| Steady state power dissipation | P(AV) | 5 | W | Note 3: lead temperature 75°C, derate linearly to zero at 150°C | 2 | ||
| Operating junction temperature range | TJ | -55 | 150 | °C | 2 | ||
| Storage temperature range | Tstg | -55 | 150 | °C | 2 | ||
| Thermal resistance junction to lead | RθJL | 15 | °C/W | Junction to Lead | 2 | ||
| Thermal resistance junction to ambient | RθJA | 90 | °C/W | Junction to Ambient (Note 2) | 2 |
CAD (KiCad official)
- Symbol:
SMBJ5352B-MS - Footprint:
Diode_SMD:D_SMB - 3D model: SMB (KiCad packages3D, STEP)
- 3D model files:
smbj5352b-ms-etched.step/smbj5352b-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj5352b-ms.step/smbj5352b-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (6 pp, sha256
fdbb089c9980bb8a, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).