component
1N5241BPF
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.
Generated by kicad-footprint-generator · KiCad file format 20260206
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1N5241BPF
ST Semtech · Zener Diodes · DO-35
1N5241BPF 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 range | VZT | 10.45 | 11 | 11.55 | V | at IZT = 20 mA; tp = 20 ms (footnote 1); typ = VZnom | 2 |
| Dynamic resistance | ZZT | 22 | Ω | at IZT = 20 mA | 2 | ||
| Dynamic resistance | ZZK | 600 | Ω | at IZK = 0.25 mA | 2 | ||
| Reverse current | IR | 2 | µA | at VR = 8.4 V | 2 | ||
| Temperature coefficient of Zener voltage | TKVZ | 0.076 | %/K | 2 | |||
| Forward voltage | VF | 1.1 | V | at IF = 200 mA | 2 | ||
| Zener voltage tolerance | -5 | 5 | % | suffix B in 1N5241BPF (±5%) | 1 | ||
| Power dissipation | Ptot | 500 | mW | Ta = 25℃ | 1 | ||
| Junction temperature | Tj | 175 | ℃ | 1 | |||
| Storage temperature range | Tstg | -65 | 175 | ℃ | 1 | ||
| Thermal resistance junction to ambient | RθJA | 300 | ℃/W | leads kept at ambient temperature at a distance of 8 mm from case | 1 |
CAD (KiCad official)
- Symbol:
1N5241BPF - 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 2026-10-16, 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).