component
1N4745A
Public Made by Adomby adom
XCH(旭昌辉) 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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1N4745A
XCH(旭昌辉) · Zener Diodes · DO-41
1N4745A from XCH(旭昌辉), 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 | XCH(旭昌辉) |
| 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 voltage VZ MIN (nominal VZ AVE 16.0 V, VZ MAX 16.80 V) | VZ | 15.2 | 16 | 16.8 | V | IZT = 15.5 mA (IZT column of the 16.0 V row) | 3 |
| Maximum Zener impedance ZZT | ZZT | 16 | Ω | @ IZT = 15.5 mA | 3 | ||
| Maximum Zener impedance ZZK | ZZK | 700 | Ω | @ IZK = 0.25 mA | 3 | ||
| Maximum reverse leakage current IR | IR | 0.5 | uA | @ VR = 12.2 V | 3 | ||
| Maximum DC Zener current IZM | IZM | 57 | mA | as printed in IZM column of the 16.0 V row | 3 | ||
| Maximum forward voltage | VF | 1.2 | V | IF = 200mA | 1 | ||
| DC power dissipation | PD | 1 | W | TL = 75 °C (lead temperature at 3/8 in (9.5 mm) from body) | 1 | ||
| Storage temperature range | TJ，TSTG | -55 | 150 | ℃ | 1 | ||
| Junction temperature range | TJ，TSTG | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
1N4745A - 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: XCH(旭昌辉) datasheet (3 pp, sha256
fa487fa1acea54d7, 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).