component
SMBJ5340B-MS
Public Made by Adomby adom
MSKSEMI 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.
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SMBJ5340B-MS
MSKSEMI · Zener Diodes · SMB(DO-214AA)
SMBJ5340B-MS from MSKSEMI, 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 | MSKSEMI |
| 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 (B suffix) | -5 | 5 | % | Nominal VZ, B suffix (Remark 1) | 4 | ||
| Operating junction temperature range | TJ | -55 | 150 | °C | 2 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 2 | ||
| Steady state power dissipation | P(AV) | 5 | W | Steady state; Note 3 (lead temperature at 75°C) | 2 | ||
| Maximum forward voltage | VF | 1.2 | V | IF = 1.0 A | 2 | ||
| Maximum dynamic impedance | ZZT | 1 | Ω | IZ = 200 mA | 3 | ||
| Maximum reverse current | IR | 1 | µA | VR = 3 V | 3 | ||
| Maximum dynamic knee impedance | ZZK | 300 | Ω | IZK = 1.0 mA | 3 | ||
| Maximum regulator current | IZM | 790 | mA | 3 | |||
| Nominal regulator voltage | VZ | 6 | V | IZ = 200 mA | 3 | ||
| Voltage regulation | ΔVZ | 0.19 | V | Difference between voltage at 10% and 50% of IZM (Remark 7) | 3 | ||
| Thermal resistance junction to lead | RθJL | 15 | °C/W | Junction to lead | 2 | ||
| Thermal resistance junction to ambient | RθJA | 90 | °C/W | Junction to ambient (Note 2) | 2 |
CAD (KiCad official)
- Symbol:
SMBJ5340B-MS - Footprint:
Diode_SMD:D_SMB - 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files:
smbj5340b-ms-etched.step/smbj5340b-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj5340b-ms.step/smbj5340b-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (6 pp, sha256
fdbb089c9980bb8a, retrieved 2026-10-14, 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).
# SMBJ5340B-MS
**MSKSEMI** · Zener Diodes · SMB(DO-214AA)
SMBJ5340B-MS from MSKSEMI, 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 | MSKSEMI |
| 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 (B suffix) | | -5 | | 5 | % | Nominal VZ, B suffix (Remark 1) | 4 |
| Operating junction temperature range | TJ | -55 | | 150 | °C | | 2 |
| Storage temperature range | TSTG | -55 | | 150 | °C | | 2 |
| Steady state power dissipation | P(AV) | | | 5 | W | Steady state; Note 3 (lead temperature at 75°C) | 2 |
| Maximum forward voltage | VF | | | 1.2 | V | IF = 1.0 A | 2 |
| Maximum dynamic impedance | ZZT | | | 1 | Ω | IZ = 200 mA | 3 |
| Maximum reverse current | IR | | | 1 | µA | VR = 3 V | 3 |
| Maximum dynamic knee impedance | ZZK | | | 300 | Ω | IZK = 1.0 mA | 3 |
| Maximum regulator current | IZM | | | 790 | mA | | 3 |
| Nominal regulator voltage | VZ | | 6 | | V | IZ = 200 mA | 3 |
| Voltage regulation | ΔVZ | | 0.19 | | V | Difference between voltage at 10% and 50% of IZM (Remark 7) | 3 |
| Thermal resistance junction to lead | RθJL | | 15 | | °C/W | Junction to lead | 2 |
| Thermal resistance junction to ambient | RθJA | | 90 | | °C/W | Junction to ambient (Note 2) | 2 |
## CAD (KiCad official)
- Symbol: `SMBJ5340B-MS`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
- 3D model files: `smbj5340b-ms-etched.step` / `smbj5340b-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smbj5340b-ms.step` / `smbj5340b-ms.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MSKSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603348895926149120) (6 pp, sha256 `fdbb089c9980bb8a`, retrieved 2026-10-14, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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).
[Datasheet PDF](docs/smbj5340b-ms-datasheet.pdf)