component
3SMAJ5953B-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
markdown3SMAJ5953B-TP
MCC(Micro Commercial Components) · Zener Diodes · SMA(DO-214AC)
3SMAJ5953B-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 | % | Type numbers indicate a tolerance of +/- 5% | 2 | |
| Nominal Zener Voltage | VZ | 150 | V | IZT = 2.5 mA | 2 | ||
| Zener Test Current | IZT | 2.5 | mA | 2 | |||
| Maximum Dynamic Impedance | ZZT | 600 | OHMS | @IZT | 2 | ||
| Maximum Knee Impedance | ZZK | 6000 | OHMS | @IZK = 0.25 mA | 2 | ||
| Maximum Reverse Current | IR | 1 | µA | @VR = 114 V | 2 | ||
| Maximum DC Zener Current | IZM | 20 | mA | 2 | |||
| Maximum Forward Voltage | VF | 1.5 | V | IF=200mA | 1 | ||
| Steady State Power Dissipation | Pd | 3 | W | Lead temperature at TL=75°C | 1 | ||
| Operation and Storage Temperature | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Thermal Resistance Junction to Lead | RthJL | 25 | C/W | 1 | |||
| Thermal Resistance Junction to Ambient | RthJA | 135 | C/W | 1 |
CAD (KiCad official)
- Symbol:
3SMAJ5953B-TP - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
3smaj5953b-tp-etched.step/3smaj5953b-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);3smaj5953b-tp.step/3smaj5953b-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
071d4387e2357d4f, 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).