component
3SMBJ5947B-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
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdown3SMBJ5947B-TP
MCC(Micro Commercial Components) · Zener Diodes · SMB(DO-214AA)
3SMBJ5947B-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 | VZ | -5 | 5 | % | Tolerance and voltage designation, B suffix | 2 | |
| Zener Voltage | VZ | 82 | V | IZT = 4.6 mA, 25°C | 2 | ||
| Test Current | IZT | 4.6 | mA | 2 | |||
| Maximum Dynamic Impedance | ZZT | 160 | Ω | @ IZT | 2 | ||
| Knee Current | IZK | 0.25 | mA | 2 | |||
| Knee Impedance | ZZK | 2500 | Ω | @ IZK | 2 | ||
| Maximum Reverse Current | IR | 1 | µA | VR = 62.2 V | 2 | ||
| Reverse Voltage | VR | 62.2 | V | 2 | |||
| Maximum Forward Voltage | VF | 1.5 | V | IF=200mA | 1 | ||
| Steady State Power Dissipation | PD | 3 | W | Note 3: mounted on 5.0mm2 (1oz thick) land areas, TL=75°C | 1 | ||
| Operating Junction Temperature Range | TJ | -65 | 150 | °C | 1 | ||
| Storage Temperature Range | TSTG | -65 | 150 | °C | 1 | ||
| Thermal Resistance Junction to Ambient | RθJA | 226 | °C/W | Junction to Ambient | 1 | ||
| Thermal Resistance Junction to Lead | RθJL | 20 | °C/W | Junction to Lead | 1 | ||
| Thermal Resistance Junction to Case | RθJC | 22 | °C/W | Junction to Case | 1 |
CAD (KiCad official)
- Symbol:
3SMBJ5947B-TP - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
3smbj5947b-tp-etched.step/3smbj5947b-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);3smbj5947b-tp.step/3smbj5947b-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
3bccce2727b9eb2f, 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).