component
SMBJ5373B-TP
Public Made by Adomby adom
MCC(Micro Commercial Components) Zener Diodes, SMB(DO-214AA). 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
markdownSMBJ5373B-TP
MCC(Micro Commercial Components) · Zener Diodes · SMB(DO-214AA)
SMBJ5373B-TP from MCC(Micro Commercial Components), in a SMB(DO-214AA). 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 | SMB(DO-214AA) |
| 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 |
|---|---|---|---|---|---|---|---|
| Regulator voltage (nominal) | VZ | 68 | V | IZ = 20 mA, @25°C | 2 | ||
| Regulator voltage tolerance | VZ | -5 | 5 | % | Note 1: devices listed have ± 5% tolerance on nominal VZ | 3 | |
| Test current | IZ | 20 | mA | @25°C | 2 | ||
| Maximum dynamic impedance | ZZT | 44 | OHMS | @25°C | 2 | ||
| Maximum dynamic knee impedance | ZZK | 500 | OHMS | @1.0mA | 2 | ||
| Maximum reverse current | IR | 0.5 | µA | VR = 51.7 V | 2 | ||
| Maximum regulator current | IZM | 70 | mA | 2 | |||
| Maximum surge current | IZSM | 2 | A | 8.3 ms nonrecurring sine wave | 2 | ||
| Maximum voltage regulation | ΔVZ | 1.5 | VOLTS | Voltage at 10% and 50% IZM | 2 | ||
| Forward voltage | VF | 1.2 | Volts | IF = 1.0A | 1 | ||
| Steady state power dissipation | P(AV) | 5 | Watts | See Note 2; TL = 75°C, derate linearly above 75°C to zero at 150°C | 1 | ||
| Operating and storage temperature | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Thermal resistance junction to lead | RθJL | 15 | °C/W | 1 | |||
| Thermal resistance junction to ambient | RθJA | 90 | °C/W | 1 | |||
| Maximum soldering temperature | 260 | °C | for 10 Seconds | 1 |
CAD (KiCad official)
- Symbol:
SMBJ5373B-TP - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
smbj5373b-tp-etched.step/smbj5373b-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj5373b-tp.step/smbj5373b-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 2026-10-22, 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).