component
BZX55C11V
Public Made by Adomby adom
LangJie Zener Diodes, DO-35. 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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BZX55C11V
LangJie · Zener Diodes · DO-35
BZX55C11V from LangJie, in a DO-35. 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 | LangJie |
| Package | DO-35 |
| 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 | VZ | 10.4 | 11.6 | V | I_ZT = 5 mA | 2 | |
| Zener dynamic impedance | ZZT | 20 | Ω | I_ZT = 5 mA | 2 | ||
| Zener dynamic impedance (knee) | ZZK | 110 | Ω | I_ZK = 0.5 mA | 2 | ||
| Reverse current | IR | 0.2 | µA | VR = 8.0 V | 2 | ||
| Maximum zener current | IZM | 36 | mA | t = 20 ms | 2 | ||
| Temperature coefficient of VZ | TK VZ | 0.07 | %/K | 2 | |||
| Total power dissipation | Ptot | 500 | mW | l=4 mm, TL=25 °C | 1 | ||
| Junction temperature | Tj | 175 | °C | 1 | |||
| Storage temperature | Tstg | -65 | 175 | °C | 1 | ||
| Soldering temperature | 250 | °C | 9.5 mm, 10 s | 1 | |||
| Thermal resistance, junction to ambient | RthJA | 350 | °C/W | 1 |
CAD (KiCad official)
- Symbol:
BZX55C11V - Footprint:
Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal - 3D model: DO-35 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LangJie datasheet (4 pp, sha256
1a683c0e5ce406e4, 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).
# BZX55C11V
**LangJie** · Zener Diodes · DO-35
BZX55C11V from LangJie, in a DO-35. 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 | LangJie |
| Package | DO-35 |
| 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 | VZ | 10.4 | | 11.6 | V | I_ZT = 5 mA | 2 |
| Zener dynamic impedance | ZZT | | | 20 | Ω | I_ZT = 5 mA | 2 |
| Zener dynamic impedance (knee) | ZZK | | | 110 | Ω | I_ZK = 0.5 mA | 2 |
| Reverse current | IR | | | 0.2 | µA | VR = 8.0 V | 2 |
| Maximum zener current | IZM | | | 36 | mA | t = 20 ms | 2 |
| Temperature coefficient of VZ | TK VZ | | 0.07 | | %/K | | 2 |
| Total power dissipation | Ptot | | | 500 | mW | l=4 mm, TL=25 °C | 1 |
| Junction temperature | Tj | | | 175 | °C | | 1 |
| Storage temperature | Tstg | -65 | | 175 | °C | | 1 |
| Soldering temperature | | | | 250 | °C | 9.5 mm, 10 s | 1 |
| Thermal resistance, junction to ambient | RthJA | | 350 | | °C/W | | 1 |
## CAD (KiCad official)
- Symbol: `BZX55C11V`
- Footprint: `Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal`
- 3D model: DO-35 (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [LangJie datasheet](docs/bzx55c11v-datasheet.pdf) (4 pp, sha256 `1a683c0e5ce406e4`, 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/bzx55c11v-datasheet.pdf)