BZD27C180P

LGE · Zener Diodes · SOD-123FL

BZD27C180P from LGE, in a SOD-123FL. 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	1	passive	Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation.
2	2	passive	Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation.

Key specifications

Parameter	Value
Manufacturer	LGE
Package	SOD-123FL
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
Working voltage (Zener voltage) at IZT	Vz	168		191	V	Vz@IzT, IZT = 5 mA (regulator table, H1 row)	2
Temperature coefficient at Iz	αz	0.09		0.13	%/	αz@Iz, IZT = 5 mA (regulator table, H1 row)	2
Differential resistance at Iz	rdif		180	400	Ω	rdif@Iz, IZT = 5 mA (regulator table, H1 row)	2
Reverse current at reverse voltage	IR			1	µA	VR = 130 V (regulator table, H1 row)	2
Reverse breakdown voltage	V(BR)R	168			V	Itest = 5 mA (protection table, N2 marking)	3
Temperature coefficient at Itest	αz	0.09		0.13	%/	αz@Itest, Itest = 5 mA (protection table, N2 marking)	3
Clamping voltage	VC			229	V	@ IRSM = 0.43 A (protection table, N2 marking)	3
Reverse current at stand-off voltage	IR			5	µA	@ VWM = 150 V (protection table, N2 marking)	3
Non-repetitive peak pulse power dissipation	PPPM			150	Watts	10/1000 µs waveform (NOTE 1), TJ=25 prior to surge	1
Power dissipation at TA=25	Ptot			0.8	Watts	TA=25 (NOTE 2), mounted on epoxy-glass PCB with 3×3 mm Cu pads (40µm thick)	1
Maximum instantaneous forward voltage	VF			1.2	Volts	at 0.2 A	1
Thermal resistance junction to ambient	RθJA			180	K/W	junction to ambient	1
Operating temperature junction range	TJ	-55		150	°C		1
Storage temperature range	TSTG	-55		150	°C		1

CAD (KiCad official)

Symbol: BZD27C180P
Footprint: Diode_SMD:D_SOD-123F
3D model: SOD-123FL (KiCad packages3D, STEP)
3D model files: bzd27c180p-etched.step / bzd27c180p-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzd27c180p.step / bzd27c180p.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: LGE datasheet (4 pp, sha256 9407d6b333d8566a, retrieved 2026-10-15, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal 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

# BZD27C180P

**LGE** · Zener Diodes · SOD-123FL

BZD27C180P from LGE, in a SOD-123FL. 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 | 1 | passive | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LGE |
| Package | SOD-123FL |
| 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 |
|---|---|---|---|---|---|---|---|
| Working voltage (Zener voltage) at IZT | Vz | 168 |  | 191 | V | Vz@IzT, IZT = 5 mA (regulator table, H1 row) | 2 |
| Temperature coefficient at Iz | αz | 0.09 |  | 0.13 | %/ | αz@Iz, IZT = 5 mA (regulator table, H1 row) | 2 |
| Differential resistance at Iz | rdif |  | 180 | 400 | Ω | rdif@Iz, IZT = 5 mA (regulator table, H1 row) | 2 |
| Reverse current at reverse voltage | IR |  |  | 1 | µA | VR = 130 V (regulator table, H1 row) | 2 |
| Reverse breakdown voltage | V(BR)R | 168 |  |  | V | Itest = 5 mA (protection table, N2 marking) | 3 |
| Temperature coefficient at Itest | αz | 0.09 |  | 0.13 | %/ | αz@Itest, Itest = 5 mA (protection table, N2 marking) | 3 |
| Clamping voltage | VC |  |  | 229 | V | @ IRSM = 0.43 A (protection table, N2 marking) | 3 |
| Reverse current at stand-off voltage | IR |  |  | 5 | µA | @ VWM = 150 V (protection table, N2 marking) | 3 |
| Non-repetitive peak pulse power dissipation | PPPM |  |  | 150 | Watts | 10/1000 µs waveform (NOTE 1), TJ=25 prior to surge | 1 |
| Power dissipation at TA=25 | Ptot |  |  | 0.8 | Watts | TA=25 (NOTE 2), mounted on epoxy-glass PCB with 3×3 mm Cu pads (40µm thick) | 1 |
| Maximum instantaneous forward voltage | VF |  |  | 1.2 | Volts | at 0.2 A | 1 |
| Thermal resistance junction to ambient | RθJA |  |  | 180 | K/W | junction to ambient | 1 |
| Operating temperature junction range | TJ | -55 |  | 150 | °C |  | 1 |
| Storage temperature range | TSTG | -55 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `BZD27C180P`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `bzd27c180p-etched.step` / `bzd27c180p-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzd27c180p.step` / `bzd27c180p.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [LGE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590923861762658304) (4 pp, sha256 `9407d6b333d8566a`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal 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/bzd27c180p-datasheet.pdf)