component
1SMA5934BT3G-MS
Public Made by Adomby adom
MSKSEMI Zener Diodes, SMA. 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
markdown1SMA5934BT3G-MS
MSKSEMI · Zener Diodes · SMA
1SMA5934BT3G-MS from MSKSEMI, in a SMA. 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 | MSKSEMI |
| Package | SMA |
| 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 (Min/Nom/Max) | VZ | 22.8 | 24 | 25.2 | V | @ IZT = 15.6 mA | 3 |
| Reverse leakage current | IR | 0.5 | μA | @ VR = 18.2 V | 3 | ||
| Maximum Zener impedance | ZZT | 19 | Ω | @ IZT = 15.6 mA | 3 | ||
| Maximum Zener impedance | ZZK | 700 | Ω | @ IZK = 0.25 mA | 3 | ||
| Maximum DC Zener current | IZM | 63 | mA(dc) | 3 | |||
| Forward voltage | VF | 1.2 | V | @ IF = 200 mA, for all types | 3 | ||
| Zener voltage tolerance (B suffix) | -5 | 5 | % | Type number designation B = ±5%, per note 3 | 3 | ||
| DC power dissipation | PD | 1.5 | W | TL = 75°C, measured zero lead length (Note 1) | 2 | ||
| Derate above 75°C | 20 | mW/°C | Derate above TL = 75°C | 2 | |||
| DC power dissipation | PD | 0.5 | W | TA = 25°C (Note 2) | 2 | ||
| Derate above 25°C | 4 | mW/°C | Derate above TA = 25°C | 2 | |||
| Thermal resistance, junction-to-lead | RθJL | 50 | °C/W | Junction-to-lead, 1 in² copper pad, FR-4 (Note 1) | 2 | ||
| Thermal resistance, junction-to-ambient | RθJA | 250 | °C/W | Junction-to-ambient, FR-4 minimum recommended footprint (Note 2) | 2 | ||
| Operating and storage temperature range | TJ, Tstg | -65 | 150 | °C | 2 | ||
| ESD rating, human body model (Class 3) | 16 | kV | Human body model; datasheet states > 16 kV (Class 3) | 2 | |||
| Maximum case temperature for soldering | 260 | °C | For 10 seconds | 2 |
CAD (KiCad official)
- Symbol:
1SMA5934BT3G-MS - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
1sma5934bt3g-ms-etched.step/1sma5934bt3g-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1sma5934bt3g-ms.step/1sma5934bt3g-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (7 pp, sha256
84b58db054664c6f, 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).