component
SMAJ4747A-TP
Public Made by Adomby adom
MCC(Micro Commercial Components) Zener Diodes, SMA(DO-214AC). 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
markdownSMAJ4747A-TP
MCC(Micro Commercial Components) · Zener Diodes · SMA(DO-214AC)
SMAJ4747A-TP from MCC(Micro Commercial Components), in a SMA(DO-214AC). 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 | SMA(DO-214AC) |
| 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 | % | VZ tolerance 5% (features list) | 1 | |
| Maximum dynamic impedance | ZZT | 22 | OHMS | @ IZT 12.5 mA | 2 | ||
| Maximum reverse current | IR | 5 | ŦA | @ VR 15.2 V | 2 | ||
| Power dissipation | Pd | 1 | W | Tamb≤50℃ | 1 | ||
| Maximum forward voltage drop | Vf | 1.2 | V | IF=100mA | 1 | ||
| Operating junction temperature | Tj | -65 | 150 | ℃ | 1 | ||
| Storage temperature | Tstg | -65 | 150 | ℃ | 1 | ||
| Zener voltage | VZ | 20 | V | @ IZT 12.5 mA (nominal, 5% tolerance) | 2 | ||
| Test current | IZT | 12.5 | mA | Test current for VZ and ZZT | 2 | ||
| Knee impedance | ZZK | 750 | OHMS | @ IZK 0.25 mA | 2 | ||
| Knee current | IZK | 0.25 | mA | 2 | |||
| Thermal resistance, junction to ambient | RΘja | 100 | K/W | Note 2: FR-4 board, MCC suggested solder pad | 1 | ||
| Thermal resistance, junction to lead | RΘjL | 75 | K/W | 1 |
CAD (KiCad official)
- Symbol:
SMAJ4747A-TP - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj4747a-tp-etched.step/smaj4747a-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj4747a-tp.step/smaj4747a-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
0b4cd39f20744184, 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).