component
SMBJ5341B-MS
Public Made by Adomby adom
MSKSEMI Zener Diodes, SMB. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
main
SMBJ5341B-MS
MSKSEMI · Zener Diodes · SMB
SMBJ5341B-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 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 |
| 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 | % | Devices listed have ±5% tolerance on nominal VZ | 4 | |
| Maximum Forward Voltage | VF | 1.2 | V | IF=1.0A | 2 | ||
| Maximum Reverse Current | IR | 1 | µA | VR=3V | 3 | ||
| Maximum Dynamic Impedance | ZZT | 1 | Ω | IZT=200mA | 3 | ||
| Maximum Dynamic Knee Impedance | ZZK | 200 | Ω | @1.0mA | 3 | ||
| Maximum Regulator Current | IZM | 765 | mA | 3 | |||
| Maximum Surge Current | IZSM | 12.4 | A | 3 | |||
| Maximum Voltage Regulation | ΔVZ | 0.1 | V | 3 | |||
| Steady State Power Dissipation | P(AV) | 5 | W | Note 3: lead temperature 75°C, derate linearly above 75°C to zero at 150°C | 2 | ||
| Operating Junction Temperature Range | TJ | -55 | 150 | °C | 2 | ||
| Storage Temperature Range | Tstg | -55 | 150 | °C | 2 | ||
| Thermal Resistance Junction to Lead | 15 | °C/W | Junction to Lead | 2 | |||
| Thermal Resistance Junction to Ambient | 90 | °C/W | Junction to Ambient (Note 2) | 2 | |||
| Zener Voltage | VZ | 6.2 | V | IZ=200mA, nominal | 3 |
CAD (KiCad official)
- Symbol:
SMBJ5341B-MS - Footprint:
Diode_SMD:D_SMB - 3D model: SMB (KiCad packages3D, STEP)
- 3D model files:
smbj5341b-ms-etched.step/smbj5341b-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj5341b-ms.step/smbj5341b-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 2026-10-22, 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).
# SMBJ5341B-MS
**MSKSEMI** · Zener Diodes · SMB
SMBJ5341B-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 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 |
| 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 | % | Devices listed have ±5% tolerance on nominal VZ | 4 |
| Maximum Forward Voltage | VF | | | 1.2 | V | IF=1.0A | 2 |
| Maximum Reverse Current | IR | | | 1 | µA | VR=3V | 3 |
| Maximum Dynamic Impedance | ZZT | | | 1 | Ω | IZT=200mA | 3 |
| Maximum Dynamic Knee Impedance | ZZK | | | 200 | Ω | @1.0mA | 3 |
| Maximum Regulator Current | IZM | | | 765 | mA | | 3 |
| Maximum Surge Current | IZSM | | | 12.4 | A | | 3 |
| Maximum Voltage Regulation | ΔVZ | | | 0.1 | V | | 3 |
| Steady State Power Dissipation | P(AV) | | | 5 | W | Note 3: lead temperature 75°C, derate linearly above 75°C to zero at 150°C | 2 |
| Operating Junction Temperature Range | TJ | -55 | | 150 | °C | | 2 |
| Storage Temperature Range | Tstg | -55 | | 150 | °C | | 2 |
| Thermal Resistance Junction to Lead | | | | 15 | °C/W | Junction to Lead | 2 |
| Thermal Resistance Junction to Ambient | | | | 90 | °C/W | Junction to Ambient (Note 2) | 2 |
| Zener Voltage | VZ | | 6.2 | | V | IZ=200mA, nominal | 3 |
## CAD (KiCad official)
- Symbol: `SMBJ5341B-MS`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: SMB (KiCad packages3D, STEP)
- 3D model files: `smbj5341b-ms-etched.step` / `smbj5341b-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smbj5341b-ms.step` / `smbj5341b-ms.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MSKSEMI datasheet](docs/smbj5341b-ms-datasheet.pdf) (6 pp, sha256 `fdbb089c9980bb8a`, retrieved 2026-10-22, 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/smbj5341b-ms-datasheet.pdf)