component
SMBJ5334B
Public Made by Adomby adom
LGE 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.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownSMBJ5334B
LGE · Zener Diodes · SMB
SMBJ5334B from LGE, 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 | LGE |
| 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 |
|---|---|---|---|---|---|---|---|
| Power Dissipation at TL = 25 °C | PD | 5 | W | TL = 25 °C | 1 | ||
| Operating and Storage Temperature Range | TJ, TSTG | -65 | 150 | °C | 1 | ||
| Maximum Forward Voltage | VF | 1.2 | V | IF = 1.0 A | 1 | ||
| Thermal Resistance, Junction to Ambient | RӨJA | 90 | °C/W | Note 1: mounted on FR4 PC board (1 oz Cu) with recommended footprint | 1 | ||
| Thermal Resistance, Junction to Lead | RӨJL | 25 | °C/W | Note 1: mounted on FR4 PC board (1 oz Cu) with recommended footprint | 1 | ||
| Regulator Voltage tolerance (B suffix) | VZ | -5 | 5 | % | Suffix B indicates ±5% tolerance | 2 | |
| Regulator Voltage (nominal) | VZ | 3.6 | V | Test current IZT = 2.5 mA | 2 | ||
| Maximum Dynamic Impedance (A&B suffix) | ZZ | 350 | OHMS | Test current IZT = 2.5 mA | 2 | ||
| Maximum Reverse Current | IR | 150 | μA | @ VR = 1.0 V | 2 | ||
| Maximum Regulator Current (B,C,D suffix) | IZM | 500 | mA | B suffix | 2 | ||
| Maximum Dynamic Knee Impedance (A,B,C,D suffix) | Zzk | 1320 | OHMS | @ 1.0 mA | 2 | ||
| Maximum Surge Current (A,B,C,D suffix) | IZSM | 18.7 | AMPS | Non-recurrent half-sine wave, 8.3 ms duration (Note 2) | 2 | ||
| Maximum Voltage Regulation (A,B,C,D suffix) | ΔVZ | 0.8 | VOLTS | Difference between voltages at 10% and 50% of IZM (Note 3) | 2 |
CAD (KiCad official)
- Symbol:
SMBJ5334B - Footprint:
Diode_SMD:D_SMB - 3D model: SMB (KiCad packages3D, STEP)
- 3D model files:
smbj5334b-etched.step/smbj5334b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smbj5334b.step/smbj5334b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LGE datasheet (3 pp, sha256
9441d4af3ecff01f, retrieved 2026-10-21, 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).