component
1N4148M9
Public Made by Adomby adom
amsem Switching Diodes, SOD-923. 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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Contents
README
markdown1N4148M9
amsem · Switching Diodes · SOD-923
1N4148M9 from amsem, in a SOD-923. 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 | amsem |
| Package | SOD-923 |
| 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 |
|---|---|---|---|---|---|---|---|
| Non-Repetitive Peak Reverse Voltage | VRSM | 100 | V | 1 | |||
| Repetitive Peak Reverse Voltage | VRRM | 85 | V | 1 | |||
| Repetitive Peak Forward Current | IFRM | 300 | mA | 1 | |||
| Non-Repetitive Peak Forward Current | IFSM | 2 | A | Pulse width = 1μs | 1 | ||
| Continuous Forward Current | IO | 100 | mA | 1 | |||
| Power Dissipation | PD | 200 | mW | 1 | |||
| Junction Temperature | TJ | 150 | ℃ | 1 | |||
| Storage Temperature | TSTG | -55 | 150 | ℃ | 1 | ||
| Breakdown Voltage | BVR | 100 | V | IR = 100μA | 1 | ||
| Reverse Current | IR | 25 | nA | VR = 20V | 1 | ||
| Reverse Current | IR | 100 | nA | VR = 80V | 1 | ||
| Forward Voltage | VF | 1 | V | IF = 10mA | 1 | ||
| Forward Voltage | VF | 1.2 | V | IF = 100mA | 1 | ||
| Capacitance | C | 3 | pF | VR = 0V, f = 1MHz | 1 | ||
| Reverse Recovery Time | TRR | 4 | ns | IF = 10mA, VR = 6V, IRR = 1mA, RL = 100Ω | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | ◇ Matte Tin (Sn) Lead finish ◇ Cathode Band / Device marking | 1 |
CAD (KiCad official)
- Symbol:
1N4148M9 - Footprint:
Diode_SMD:D_SOD-923 - 3D model: SOD-923 (KiCad packages3D, STEP)
- 3D model files:
1n4148m9-etched.step/1n4148m9-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1n4148m9.step/1n4148m9.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: amsem datasheet (3 pp, sha256
bf2153b94f8c7269, retrieved 2026-10-26, 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).