component
1N5347B
Public Made by Adomby adom
LGE Zener Diodes, DO-15. 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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1N5347B
LGE · Zener Diodes · DO-15
1N5347B from LGE, in a DO-15. 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 | DO-15 |
| 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 (nominal) at IZT | VZ | 10 | V | at IZT = 125 mA | 2 | ||
| Zener voltage tolerance (B suffix, ±5%) | VZ | -5 | 5 | % | suffix B = ±5% tolerance; JEDEC type alone is ±10% | 3 | |
| Maximum zener impedance at IZT | ZZT | 2 | Ω | @ IZT = 125 mA | 2 | ||
| Maximum zener impedance at IZK | ZZK | 125 | Ω | @ IZK = 1 mA | 2 | ||
| Maximum reverse leakage current | IR | 5 | µA | at VR = 7.6 V | 2 | ||
| DC power dissipation | PD | 5 | W | TL = 75, measured at zero lead length (Fig.1) | 1 | ||
| Derating above TL = 75 | PD | 40 | mW | derate above 75 (NOTE 1) | 1 | ||
| Storage temperature range | Ts | -55 | 150 | °C | 1 | ||
| Junction temperature | TJ | -55 | 150 | °C | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | NOTES: (1) Mounted on 8.0mm2 copper pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
1N5347B - Footprint:
Diode_THT:D_DO-15_P12.70mm_Horizontal - 3D model: DO-15 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LGE datasheet (5 pp, sha256
b2a8599d7ca807f9, 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).
# 1N5347B
**LGE** · Zener Diodes · DO-15
1N5347B from LGE, in a DO-15. 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 | DO-15 |
| 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 (nominal) at IZT | VZ | | 10 | | V | at IZT = 125 mA | 2 |
| Zener voltage tolerance (B suffix, ±5%) | VZ | -5 | | 5 | % | suffix B = ±5% tolerance; JEDEC type alone is ±10% | 3 |
| Maximum zener impedance at IZT | ZZT | | | 2 | Ω | @ IZT = 125 mA | 2 |
| Maximum zener impedance at IZK | ZZK | | | 125 | Ω | @ IZK = 1 mA | 2 |
| Maximum reverse leakage current | IR | | | 5 | µA | at VR = 7.6 V | 2 |
| DC power dissipation | PD | | | 5 | W | TL = 75, measured at zero lead length (Fig.1) | 1 |
| Derating above TL = 75 | PD | | 40 | | mW | derate above 75 (NOTE 1) | 1 |
| Storage temperature range | Ts | -55 | | 150 | °C | | 1 |
| Junction temperature | TJ | -55 | | 150 | °C | | 1 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | | NOTES: (1) Mounted on 8.0mm2 copper pads to each terminal. | 1 |
## CAD (KiCad official)
- Symbol: `1N5347B`
- Footprint: `Diode_THT:D_DO-15_P12.70mm_Horizontal`
- 3D model: DO-15 (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [LGE datasheet](docs/1n5347b-datasheet.pdf) (5 pp, sha256 `b2a8599d7ca807f9`, retrieved 2026-10-21, 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/1n5347b-datasheet.pdf)