component
2EZ9.1D5
Public Made by Adomby adom
EIC Semicon Zener Diodes, DO-41. 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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2EZ9.1D5
EIC Semicon · Zener Diodes · DO-41
2EZ9.1D5 from EIC Semicon, in a DO-41. 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 | EIC Semicon |
| Package | DO-41 |
| 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 impedance (dynamic) at IZT | ZZT | 2.5 | Ω | @ IZT = 55 mA | 2 | ||
| Zener impedance (dynamic) at IZK | ZZK | 700 | Ω | @ IZK = 0.5 mA | 2 | ||
| Maximum reverse leakage current | IR | 50 | µA | @ VR = 7.0 V | 2 | ||
| Maximum DC zener current | IZM | 200 | mA | 2 | |||
| DC power dissipation | PD | 2 | W | TL = 75 °C (Note 1), lead temperature at 3/8 in (9.5 mm) from body | 1 | ||
| Maximum forward voltage | VF | 1.2 | V | IF = 200 mA | 1 | ||
| Junction temperature range | TJ | -55 | 175 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 175 | °C | 1 | ||
| Zener voltage tolerance (suffix 5) | VZ | -5 | 5 | % | Suffix "5" indicates ±5% tolerance (Note 1) | 3 | |
| Nominal zener voltage | VZ | 9.1 | V | @ IZT = 55 mA | 2 |
CAD (KiCad official)
- Symbol:
2EZ9.1D5 - Footprint:
Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal - 3D model: DO-41 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: EIC Semicon datasheet (3 pp, sha256
dcfbb2c7bf41c0b0, retrieved 2026-10-21, 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).