component
BZV55C51 L0G
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Taiwan Semiconductor(Taiwan Semicon) Zener Diodes, MiniMELF. Diode: pin 1 is the cathode (the banded end) by the KiCad diode-footprint convention, KiCad symbol/footprint/3D.
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BZV55C51 L0G
Taiwan Semiconductor(Taiwan Semicon) · Zener Diodes · MiniMELF
BZV55C51 L0G from Taiwan Semiconductor(Taiwan Semicon), in a MiniMELF. 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 | Taiwan Semiconductor(Taiwan Semicon) |
| Package | MiniMELF |
| 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 @ IZT | VZ | 48 | 51 | 54 | V | @ IZT = 2.5 mA | 2 |
| Zener impedance ZZT | ZZT | 125 | Ω | @ IZT = 2.5 mA | 2 | ||
| Zener knee impedance ZZK | ZZK | 700 | Ω | @ IZK = 0.5 mA | 2 | ||
| Reverse leakage current IR | IR | 0.1 | µA | @ VR = 38 V | 2 | ||
| Zener voltage tolerance (standard) | -5 | 5 | % | standard tolerance on nominal VZ | 3 | ||
| Power dissipation PD | PD | 500 | mW | 1 | |||
| Forward voltage VF | VF | 1 | V | @ IF = 10 mA | 1 | ||
| Junction temperature range TJ | TJ | -65 | 175 | °C | 1 | ||
| Storage temperature range TSTG | TSTG | -65 | 175 | °C | 1 | ||
| Junction-to-ambient thermal resistance | RθJA | 300 | °C/W | 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 | tin | ● Terminal: Matte tin plated leads, solderable per J-STD-002 ● Polarity: Indicated by cathode band | 1 |
CAD (KiCad official)
- Symbol:
BZV55C51 L0G - Footprint:
Diode_SMD:D_MiniMELF - 3D model: MiniMELF (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Taiwan Semiconductor(Taiwan Semicon) datasheet (6 pp, sha256
e108fdeec0e282cf, retrieved 2026-10-28, 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).
# BZV55C51 L0G
**Taiwan Semiconductor(Taiwan Semicon)** · Zener Diodes · MiniMELF
BZV55C51 L0G from Taiwan Semiconductor(Taiwan Semicon), in a MiniMELF. 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 | Taiwan Semiconductor(Taiwan Semicon) |
| Package | MiniMELF |
| 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 @ IZT | VZ | 48 | 51 | 54 | V | @ IZT = 2.5 mA | 2 |
| Zener impedance ZZT | ZZT | | | 125 | Ω | @ IZT = 2.5 mA | 2 |
| Zener knee impedance ZZK | ZZK | | | 700 | Ω | @ IZK = 0.5 mA | 2 |
| Reverse leakage current IR | IR | | | 0.1 | µA | @ VR = 38 V | 2 |
| Zener voltage tolerance (standard) | | -5 | | 5 | % | standard tolerance on nominal VZ | 3 |
| Power dissipation PD | PD | | | 500 | mW | | 1 |
| Forward voltage VF | VF | | | 1 | V | @ IF = 10 mA | 1 |
| Junction temperature range TJ | TJ | -65 | | 175 | °C | | 1 |
| Storage temperature range TSTG | TSTG | -65 | | 175 | °C | | 1 |
| Junction-to-ambient thermal resistance | RθJA | | 300 | | °C/W | | 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 | | tin | ● Terminal: Matte tin plated leads, solderable per J-STD-002 ● Polarity: Indicated by cathode band | 1 |
## CAD (KiCad official)
- Symbol: `BZV55C51 L0G`
- Footprint: `Diode_SMD:D_MiniMELF`
- 3D model: MiniMELF (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Taiwan Semiconductor(Taiwan Semicon) datasheet](docs/bzv55c51-l0g-datasheet.pdf) (6 pp, sha256 `e108fdeec0e282cf`, retrieved 2026-10-28, 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/bzv55c51-l0g-datasheet.pdf)