component
P1N4148WS
Public Made by Adomby adom
Shanghai Prisemi Elec Switching Diodes, SOD-323. 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
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownP1N4148WS
Shanghai Prisemi Elec · Switching Diodes · SOD-323
P1N4148WS from Shanghai Prisemi Elec, in a SOD-323. 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 | Shanghai Prisemi Elec |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage | VBR | 75 | V | IR = 1μA | 1 | ||
| Reverse Leakage Current | IR | 0.025 | μA | VRWM = 20V T=25℃ | 1 | ||
| Reverse Leakage Current | IR | 30 | μA | VRWM = 25V T=150℃ | 1 | ||
| Reverse Leakage Current | IR | 1 | μA | VRWM = 75V T=25℃ | 1 | ||
| Reverse Leakage Current | IR | 50 | μA | VRWM = 75V T=150℃ | 1 | ||
| Forward Voltage | VF | 0.715 | V | IF=1mA | 1 | ||
| Forward Voltage | VF | 0.855 | V | IF=10mA | 1 | ||
| Forward Voltage | VF | 1 | V | IF=50mA | 1 | ||
| Forward Voltage | VF | 1.25 | V | IF=150mA | 1 | ||
| Forward Voltage | VF | 1.5 | V | IF=300mA | 1 | ||
| Reverse Recovery Time | trr | 8 | ns | IF=0.5A IR=1A Irr=0.25A | 1 | ||
| Diode Capacitance | C | 5 | pF | VR=4V f = 1MHz | 1 | ||
| Repetitive Peak Reverse Voltage | VRRM | 100 | V | @25℃ | 1 | ||
| RMS Voltage | VRMS | 75 | V | @25℃ | 1 | ||
| Continuous Forward Current | IF | 300 | mA | @25℃ | 1 | ||
| Non-repetitive Peak Forward Surge Current | IFSM | 4 | A | at 1ms | 1 | ||
| Power Dissipation | Ptot | 400 | mW | @25℃ | 1 | ||
| Lead Soldering Temperature | TL | 260 | ℃ | 10 sec | 1 | ||
| Junction and Storage Temperature Range | TJ, TSTG | -55 | 150 | ℃ | 1 | ||
| Typical Thermal Resistance | RθJA | 170 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
P1N4148WS - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
p1n4148ws-etched.step/p1n4148ws-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p1n4148ws.step/p1n4148ws.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Prisemi Elec datasheet (5 pp, sha256
4e707ab110b147ef, retrieved 2026-10-22, 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).