# 1N4148D1

**amsem** · Switching Diodes · DFN1006-2L

1N4148D1 from amsem, in a DFN1006-2L. 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 | 1 | passive | Terminal 1 of the two-terminal switching diode as numbered in the Pin & Polarity diagram; the datasheet does not state whether it is the anode or the cathode. |
| 2 | 2 | passive | Terminal 2 of the two-terminal switching diode as numbered in the Pin & Polarity diagram; the datasheet does not state whether it is the anode or the cathode. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | amsem |
| Package | DFN1006-2L |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Voltage | VR | 75 |  |  | V | IR=100uA | 2 |
| Reverse Leakage Current | IR |  |  | 100 | nA | VR=80V | 2 |
| Reverse Leakage Current | IR |  |  | 25 | nA | VR=20V | 2 |
| Forward Voltage | VF |  | 0.62 | 0.72 | V | IF=5mA | 2 |
| Forward Voltage | VF |  |  | 0.855 | V | IF=10mA | 2 |
| Forward Voltage | VF |  |  | 1 | V | IF=100mA | 2 |
| Forward Voltage | VF |  |  | 1.25 | V | IF=150mA | 2 |
| Capacitance | C |  |  | 3 | pF | VR = 0.5V, f = 1MHz | 2 |
| Reverse Recovery Time | TRR |  |  | 4 | ns | IF = IR =10mA, IRR = 1mA, RL = 100Ω | 2 |
| Non-Repetitive Peak Reverse Voltage | VRSM |  |  | 100 | V |  | 1 |
| Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage | VRRM, VRWM, VR |  |  | 75 | V |  | 1 |
| Repetitive Peak Forward Current | IFRM |  |  | 300 | mA |  | 1 |
| Average Forward Current | IO |  |  | 100 | mA |  | 1 |
| Non-Repetitive Peak Forward Current | IFSM |  |  | 2 | A | Pulse width = 1μs | 1 |
| Power Dissipation | PD |  |  | 200 | mW |  | 1 |
| Junction Temperature | TJ |  |  | 150 | ℃ |  | 1 |
| Storage Temperature | TSTG | -55 |  | 150 | ℃ |  | 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 Lead finish (Pb-Free) Device Marking Code | 1 |

## CAD (KiCad official)

- Symbol: `1N4148D1`
- Footprint: `Diode_SMD:D_SOD-882`
- 3D model: DFN1006-2L (KiCad packages3D, STEP)
- 3D model files: `1n4148d1-etched.step` / `1n4148d1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1n4148d1.step` / `1n4148d1.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [amsem datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603009310402363392) (4 pp, sha256 `c9549837d3d3d965`, retrieved 2026-10-26, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (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/1n4148d1-datasheet.pdf)