component
1N5224BPF
Public Made by Adomby adom
ST(Semtech) 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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1N5224BPF
ST(Semtech) · Zener Diodes · DO-35
1N5224BPF from ST(Semtech), 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 | ST(Semtech) |
| 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 VZT (VZnom 2.8 V) | VZT | 2.66 | 2.8 | 2.94 | V | at IZT 20 mA | 2 |
| Zener voltage tolerance (suffix B) | -5 | 5 | % | suffix B, +/-5% | 1 | ||
| Dynamic resistance ZZT | ZZT | 30 | Ω | at IZT 20 mA | 2 | ||
| Dynamic resistance ZZK | ZZK | 1400 | Ω | at IZK 0.25 mA | 2 | ||
| Reverse current IR | IR | 75 | µA | at VR 1 V | 2 | ||
| Temperature coefficient of Zener voltage TKVZ | TKVZ | -0.08 | %/K | printed as <-0.080 | 2 | ||
| Power dissipation Ptot (rated power) | Ptot | 500 | mW | Ta = 25℃ | 1 | ||
| Junction temperature Tj | Tj | 175 | ℃ | 1 | |||
| Storage temperature range Tstg | Tstg | -65 | 175 | ℃ | 1 | ||
| Thermal resistance junction to ambient RθJA | RθJA | 300 | ℃/W | leads kept at ambient temperature at a distance of 8 mm from case | 1 |
CAD (KiCad official)
- Symbol:
1N5224BPF - 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: ST(Semtech) datasheet (3 pp, sha256
ef97e3baf80e09cf, 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).
# 1N5224BPF
**ST(Semtech)** · Zener Diodes · DO-35
1N5224BPF from ST(Semtech), 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 | ST(Semtech) |
| 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 VZT (VZnom 2.8 V) | VZT | 2.66 | 2.8 | 2.94 | V | at IZT 20 mA | 2 |
| Zener voltage tolerance (suffix B) | | -5 | | 5 | % | suffix B, +/-5% | 1 |
| Dynamic resistance ZZT | ZZT | | | 30 | Ω | at IZT 20 mA | 2 |
| Dynamic resistance ZZK | ZZK | | | 1400 | Ω | at IZK 0.25 mA | 2 |
| Reverse current IR | IR | | | 75 | µA | at VR 1 V | 2 |
| Temperature coefficient of Zener voltage TKVZ | TKVZ | | | -0.08 | %/K | printed as <-0.080 | 2 |
| Power dissipation Ptot (rated power) | Ptot | | | 500 | mW | Ta = 25℃ | 1 |
| Junction temperature Tj | Tj | | | 175 | ℃ | | 1 |
| Storage temperature range Tstg | Tstg | -65 | | 175 | ℃ | | 1 |
| Thermal resistance junction to ambient RθJA | RθJA | | | 300 | ℃/W | leads kept at ambient temperature at a distance of 8 mm from case | 1 |
## CAD (KiCad official)
- Symbol: `1N5224BPF`
- 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:** [ST(Semtech) datasheet](docs/1n5224bpf-datasheet.pdf) (3 pp, sha256 `ef97e3baf80e09cf`, 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/1n5224bpf-datasheet.pdf)