# BZD27C150P

**LGE** · Zener Diodes · SOD-123FL

BZD27C150P 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 (regulator, min) | VZ | 138 |  |  | V | Vz@IZT (regulator table; IZT per table) | 2 |
| Working voltage (regulator, max) | VZ |  |  | 156 | V | Vz@IZT (regulator table; IZT per table) | 2 |
| Differential resistance | rdif |  | 130 | 300 | Ω | rdif@IZ (regulator table) | 2 |
| Temperature coefficient (regulator) | αz | 0.09 |  | 0.13 | %/°C | αz@IZ (regulator table) | 2 |
| Reverse current at reverse voltage | IR |  |  | 1 | µA | VR = 110 V (regulator table column; IZT = 5 mA as printed in row) | 2 |
| Breakdown voltage (protection, min) | V(BR)R | 138 |  |  | V | at Itest = 5 mA (protection table) | 3 |
| Temperature coefficient (protection, min) | αz | 0.09 |  |  | %/°C | αz@Itest (protection table) | 3 |
| Temperature coefficient (protection, max) | αz |  |  | 0.13 | %/°C | αz@Itest (protection table) | 3 |
| Clamping voltage | VC |  |  | 187 | V | at IRSM = 0.53 A (protection table) | 3 |
| Reverse current at stand-off voltage | IR |  |  | 5 | µA | at Vwm = 120 V (protection table) | 3 |
| Non-repetitive peak pulse power dissipation | PPPM |  |  | 150 | W | 10/1000 µs waveform, TJ=25 prior to surge (Note 1) | 1 |
| Power dissipation at TA=25 | Ptot |  |  | 0.8 | W | TA=25 (Note 2), mounted on epoxy-glass PCB with 3×3 mm Cu pads | 1 |
| Maximum instantaneous forward voltage | VF |  |  | 1.2 | V | IF = 0.2 A | 1 |
| Thermal resistance junction to ambient | RθJA |  |  | 180 | K/W |  | 1 |
| Operating junction temperature range | TJ | -55 |  | 150 | °C |  | 1 |
| Storage temperature range | TSTG | -55 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `BZD27C150P`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `bzd27c150p-etched.step` / `bzd27c150p-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzd27c150p.step` / `bzd27c150p.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/8588903743043063808) (4 pp, sha256 `3639c1e27b60a81c`, 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/bzd27c150p-datasheet.pdf)