component
1N4742AP-TP
Public Made by Adomby adom
MCC(美微科) 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.
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
markdown1N4742AP-TP
MCC(美微科) · Zener Diodes · DO-41
1N4742AP-TP from MCC(美微科), 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 | MCC(美微科) |
| 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 tolerance (A suffix) | -5 | 5 | % | 1N4742A type (A suffix = 5% tolerance) | 2 | ||
| Power Dissipation | PD | 1 | W | TA≤50°C | 1 | ||
| Maximum Forward Voltage | VF | 1.2 | V | IF=200mA | 1 | ||
| Maximum Zener Impedance | ZZT | 9 | Ω | @ IZT = 21 mA | 2 | ||
| Maximum Zener Impedance | ZZK | 700 | Ω | @ IZK = 0.25 mA | 2 | ||
| Maximum Reverse Leakage Current | IR | 5 | µA | VR = 9.1 V | 2 | ||
| Maximum Zener Current | IZM | 76 | mA | 2 | |||
| Maximum Surge Current | IRM | 380 | mA | 2 | |||
| Operating Junction Temperature Range | -65 | 150 | °C | 1 | |||
| Storage Temperature Range | -65 | 150 | °C | 1 | |||
| Thermal Resistance Junction to Ambient | 100 | °C/W | Junction to Ambient | 1 | |||
| Nominal Zener Voltage | VZ | 12 | V | IZT = 21 mA | 2 |
CAD (KiCad official)
- Symbol:
1N4742AP-TP - 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: MCC(美微科) datasheet (4 pp, sha256
4c2301fd8174a36f, 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).