component
1N5234B
Public Made by Adomby adom
onsemi(安森美) 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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown1N5234B
onsemi(安森美) · Zener Diodes · DO-35
1N5234B from onsemi(安森美), 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 | onsemi(安森美) |
| 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 (1N5234B) | VZ | 5.89 | 6.2 | 6.51 | V | @ IZ = 20 mA | 3 |
| Forward voltage | VF | 1.2 | V | IF = 200mA | 3 | ||
| Power dissipation | PD | 500 | mW | Non-recurrent square wave pulse width = 8.3 ms, TA = 50°C | 2 | ||
| Storage temperature range | TSTG | -65 | 200 | °C | 2 | ||
| Operating junction temperature range | TJ | -65 | 200 | °C | 2 | ||
| Lead temperature | 230 | °C | 1/16 inch from case for 10 s | 2 | |||
| Zener voltage tolerance (B suffix) | -5 | 5 | % | 2 | |||
| Power derating | 4 | mW/°C | Derate above 50°C | 2 | |||
| Zener dynamic impedance | ZZ | 7 | Ω | @ IZ = 20 mA | 3 | ||
| Zener knee dynamic impedance | ZZK | 1000 | Ω | @ IZK = 0.25 mA | 3 | ||
| Reverse leakage current | IR | 5 | μA | @ VR = 4.0 V | 3 | ||
| Temperature coefficient | TC | 0.045 | %/°C | 3 |
CAD (KiCad official)
- Symbol:
1N5234B - 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: onsemi(安森美) datasheet (7 pp, sha256
1f33582954b71077, retrieved 2026-10-17, 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).