component
3SMBJ5919B-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
markdown3SMBJ5919B-TP
MCC Micro Commercial Components · Zener Diodes · SMB(DO-214AA)
3SMBJ5919B-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 |
|---|---|---|---|---|---|---|---|
| Zener voltage tolerance (type 3SMBJ5919B, B suffix) | VZ | -5 | 5 | % | Note 3: type numbers listed indicate a tolerance of +/-5% | 2 | |
| Maximum dynamic impedance | ZZT | 2 | Ω | @ IZT = 66.9 mA | 2 | ||
| Maximum knee impedance | ZZk | 250 | Ω | @ IZK = 1 mA | 2 | ||
| Maximum reverse current | IR | 5 | µA | @ VR = 3 V | 2 | ||
| Maximum forward voltage | VF | 1.5 | V | IF=200mA | 1 | ||
| Zener voltage (nominal) | VZ | 5.6 | V | @ IZT = 66.9 mA | 2 | ||
| Steady state power dissipation | PD | 3 | W | Steady state; Note 2: mounted on 5.0mm² (1oz thick) land areas; lead temperature TL=75°C | 1 | ||
| Maximum DC Zener current | IZM | 534 | mA | 2 | |||
| Operating junction temperature range | -65 | 150 | °C | 1 | |||
| Storage temperature range | -65 | 150 | °C | 1 | |||
| Thermal resistance junction to ambient | 226 | °C/W | 1 | ||||
| Thermal resistance junction to lead | 20 | °C/W | 1 | ||||
| Thermal resistance junction to case | 22 | °C/W | 1 |
CAD (KiCad official)
- Symbol:
3SMBJ5919B-TP - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
3smbj5919b-tp-etched.step/3smbj5919b-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);3smbj5919b-tp.step/3smbj5919b-tp.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MCC Micro Commercial Components datasheet (4 pp, sha256
3888d669ba600c75, retrieved 2026-10-15, 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).