component
1N4750A
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.
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1N4750A
XCH(旭昌辉) · Zener Diodes · DO-41
1N4750A 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 (nominal VZ AVE, with VZ MIN / VZ MAX) | VZ | 25.65 | 27 | 28.35 | V | @IZT | 3 |
| Maximum Zener impedance | ZZT | 9.5 | Ω | @IZT | 3 | ||
| Maximum Zener impedance | ZZK | 750 | Ω | @IZK | 3 | ||
| Maximum reverse leakage current | IR | 0.5 | uA | @VR 20.6 V | 3 | ||
| Maximum DC Zener current | IZM | 34 | mA | 3 | |||
| Maximum forward voltage | VF | 1.2 | V | at if=200mA | 1 | ||
| DC power dissipation | PD | 1 | W | TL = 75 °C (lead temperature at 3/8'' (9.5mm) from body) | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | ℃ | 1 | ||
| Junction temperature range | TJ | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
1N4750A - 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).
# 1N4750A
**XCH(旭昌辉)** · Zener Diodes · DO-41
1N4750A 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 (nominal VZ AVE, with VZ MIN / VZ MAX) | VZ | 25.65 | 27 | 28.35 | V | @IZT | 3 |
| Maximum Zener impedance | ZZT | | | 9.5 | Ω | @IZT | 3 |
| Maximum Zener impedance | ZZK | | | 750 | Ω | @IZK | 3 |
| Maximum reverse leakage current | IR | | | 0.5 | uA | @VR 20.6 V | 3 |
| Maximum DC Zener current | IZM | | | 34 | mA | | 3 |
| Maximum forward voltage | VF | | | 1.2 | V | at if=200mA | 1 |
| DC power dissipation | PD | | | 1 | W | TL = 75 °C (lead temperature at 3/8'' (9.5mm) from body) | 1 |
| Storage temperature range | TSTG | -55 | | 150 | ℃ | | 1 |
| Junction temperature range | TJ | -55 | | 150 | ℃ | | 1 |
## CAD (KiCad official)
- Symbol: `1N4750A`
- 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](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590920607007514624) (3 pp, sha256 `fa487fa1acea54d7`, retrieved 2026-10-17, 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/1n4750a-datasheet.pdf)