component
SMBJ5338B-TP
Public Made by Adomby adom
MCC(Micro Commercial Components) Zener Diodes, DO-214AA(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
markdownSMBJ5338B-TP
MCC(Micro Commercial Components) · Zener Diodes · DO-214AA(SMB)
SMBJ5338B-TP from MCC(Micro Commercial Components), in a DO-214AA(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 | MCC(Micro Commercial Components) |
| Package | DO-214AA(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 (B suffix, ±5% on nominal VZ) | VZ tol | -5 | 5 | % | Devices listed have ±5% tolerance on nominal VZ (Note 1); -B suffix device | 3 | |
| Maximum reverse current | IR | 1 | µA | Test voltage VR = 1 V; ±5% device column | 2 | ||
| Maximum dynamic impedance | ZZT | 1.5 | Ω | Test current IZ = 240 mA | 2 | ||
| Maximum dynamic knee impedance | ZZK | 400 | Ω | At IZK = 1.0 mA | 2 | ||
| Maximum regulator current | IZM | 930 | mA | For ±5% device (Note 5) | 2 | ||
| Maximum surge current | IZSM | 14.4 | A | Non-recurring sine wave, 8.3 ms duration (Note 6) | 2 | ||
| Maximum voltage regulation | ΔVZ | 0.39 | V | Difference between VZ at 10% and 50% IZM (Note 7) | 2 | ||
| Steady state power dissipation | P(AV) | 5 | W | Lead temperature TL = 75°C at mounting plane; derate linearly above 75°C to zero power at 150°C (Note 2) | 1 | ||
| Operating and storage temperature | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Zener voltage (nominal) | VZ | 5.1 | V | Test current IZ = 240 mA; nominal, tested with 40 ±10 ms pulse (Note 2) | 2 | ||
| Thermal resistance, junction to lead | RθJL | 15 | °C/W | 1 | |||
| Thermal resistance, junction to ambient | RθJA | 90 | °C/W | Ambient temperature TA at mounting plane; derate linearly above 15°C to zero at 150°C (Note 3) | 1 |
CAD (KiCad official)
- Symbol:
SMBJ5338B-TP - Footprint:
Diode_SMD:D_SMB - 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
- 3D model files:
smbj5338b-tp-etched.step/smbj5338b-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj5338b-tp.step/smbj5338b-tp.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MCC(Micro Commercial Components) datasheet (5 pp, sha256
64cba779e9296de3, retrieved 2026-10-21, 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).