component
BZX55C3V3-TAP
Public Made by Adomby adom
Vishay Intertech 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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BZX55C3V3-TAP
Vishay Intertech · Zener Diodes · DO-35
BZX55C3V3-TAP from Vishay Intertech, 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 | Vishay Intertech |
| 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 | 3.1 | 3.3 | 3.5 | V | IZT1 = 5 mA; Tamb = 25 °C | 2 |
| Reverse leakage current, Tamb = 25 °C | IR | 2 | µA | VR = 1 V; Tamb = 25 °C | 2 | ||
| Reverse leakage current, Tamb = 150 °C | IR | 40 | µA | VR = 1 V; Tamb = 150 °C | 2 | ||
| Dynamic resistance | ZZ | 85 | Ω | IZT1 = 5 mA; f = 1 kHz | 2 | ||
| Dynamic resistance at IZT2 | ZZK | 600 | Ω | IZT2 = 1 mA | 2 | ||
| Temperature coefficient of VZ | TKVZ | -0.08 | -0.05 | %/K | 2 | ||
| Power dissipation | Ptot | 500 | mW | l = 4 mm, TL = 25 °C | 1 | ||
| Junction temperature | Tj | 175 | °C | 1 | |||
| Storage temperature range | Tstg | -65 | 175 | °C | 1 | ||
| Forward voltage | VF | 1.5 | V | IF = 200 mA | 1 | ||
| Junction to ambient air thermal resistance | RthJA | 300 | K/W | l = 4 mm, TL = constant | 1 |
CAD (KiCad official)
- Symbol:
BZX55C3V3-TAP - 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: Vishay Intertech datasheet (7 pp, sha256
b6fd7fbb6d670a11, retrieved 2026-10-15, 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).
# BZX55C3V3-TAP
**Vishay Intertech** · Zener Diodes · DO-35
BZX55C3V3-TAP from Vishay Intertech, 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 | Vishay Intertech |
| 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 | 3.1 | 3.3 | 3.5 | V | IZT1 = 5 mA; Tamb = 25 °C | 2 |
| Reverse leakage current, Tamb = 25 °C | IR | | | 2 | µA | VR = 1 V; Tamb = 25 °C | 2 |
| Reverse leakage current, Tamb = 150 °C | IR | | | 40 | µA | VR = 1 V; Tamb = 150 °C | 2 |
| Dynamic resistance | ZZ | | | 85 | Ω | IZT1 = 5 mA; f = 1 kHz | 2 |
| Dynamic resistance at IZT2 | ZZK | | | 600 | Ω | IZT2 = 1 mA | 2 |
| Temperature coefficient of VZ | TKVZ | -0.08 | | -0.05 | %/K | | 2 |
| Power dissipation | Ptot | | | 500 | mW | l = 4 mm, TL = 25 °C | 1 |
| Junction temperature | Tj | | | 175 | °C | | 1 |
| Storage temperature range | Tstg | -65 | | 175 | °C | | 1 |
| Forward voltage | VF | | | 1.5 | V | IF = 200 mA | 1 |
| Junction to ambient air thermal resistance | RthJA | | 300 | | K/W | l = 4 mm, TL = constant | 1 |
## CAD (KiCad official)
- Symbol: `BZX55C3V3-TAP`
- 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:** [Vishay Intertech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590340610831396864) (7 pp, sha256 `b6fd7fbb6d670a11`, retrieved 2026-10-15, 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/bzx55c3v3-tap-datasheet.pdf)