component
1SMB5945BT3G-MS
Public Made by Adomby adom
MSKSEMI Zener Diodes, SMB. Pinout cross-checked by two models against the datasheet, 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
markdown1SMB5945BT3G-MS
MSKSEMI · Zener Diodes · SMB
1SMB5945BT3G-MS from MSKSEMI, in a SMB. 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 terminal marked by the polarity band; it goes positive in reverse (zener) operation, with VZ 68 V nominal (64.6 V to 71.4 V) at IZT = 5.5 mA for the 1SMB5945B. |
| 2 | A | passive | Anode terminal of the zener diode, at the end opposite the polarity band; forward voltage is 1.5 V max at IF = 200 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SMB |
| Category | Diodes |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
1SMB5945BT3G-MS - Footprint:
Diode_SMD:D_SMB - 3D model: SMB (KiCad packages3D, STEP)
- 3D model files:
1smb5945bt3g-ms-etched.step/1smb5945bt3g-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1smb5945bt3g-ms.step/1smb5945bt3g-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (8 pp, sha256
d1db003dcf102a3c, retrieved 2026-10-13, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).