6 layers60 × 55 mm
PoE Ethernet GPIB Adapter
Kofen/PoE_Ethernet_GPIB_Adapter
This folder contains the necessary hardware files for the PoE Ethernet GPIB Adapter project.
198 parts120GPL-3.0
1N4448WS
Diodes IncorporatedExtended
-65℃~+150℃@(Tj) 1.25V@150mA 2.5uA@75V 200mW 250mA 4A 4ns 75V Independent SOD-323 Switching Diodes ROHS
- Part id
- diodes/1N4448WS
- Category
- Switching Diodes
- Package
- SOD-323
- Pins
- 2
- In stock
- 4,433 at JLCPCB (C260859)
- Used on
- 15 open-source boards
Overview
The 1N4448WS is a switching Diode made by Diodes Incorporated in a SOD-323 package with 2 pins. -65℃~+150℃@(Tj) 1.25V@150mA 2.5uA@75V 200mW 250mA 4A 4ns 75V Independent SOD-323 Switching Diodes ROHS.
PCBKit's library has its KiCad symbol (Diode:1N4448WS, from KiCad's library) and its footprint (Diode_SMD:D_SOD-323, from KiCad's library), ready for a KiCad board. 4,433 are in stock at JLCPCB (part C260859). 15 open-source boards in 13 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
8- Reverse voltage, most
- 75 V · DC blocking and working peak reverse voltage, max · p. 2
- Forward current, most
- 500 mA · Forward continuous current, max at TA = +25°C · p. 2
- Junction, hottest
- 150 °C · Operating junction temperature, max · p. 2
- Junction to air (SOD323)
- 625 K/W · Junction to ambient air, FR-4 board with minimum recommended pad layouts · p. 2
- Forward voltage
- 720 mV · Forward voltage, max at IF = 5.0mA · p. 2
- Forward voltage
- 855 mV · Forward voltage, max at IF = 10mA · p. 2
- Forward voltage
- 1 V · Forward voltage, max at IF = 100mA · p. 2
- Forward voltage
- 1.25 V · Forward voltage, max at IF = 150mA · p. 2
What it is and has
5- Switching
- Fast switching speed · p. 1
- Package
- SOD323 · p. 1
- Applications
- General purpose switching · p. 1
- Compliance
- Totally lead-free and fully RoHS compliant · p. 1
- Materials
- Halogen and antimony free · p. 1
Specifications
22| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Non-Repetitive Peak Reverse Voltage VRM | TA = +25°C | max 100 V | 2 |
| Peak Repetitive Reverse Voltage VRRM | TA = +25°C; shared rating with Working Peak Reverse Voltage and DC Blocking Voltage | max 75 V | 2 |
| Working Peak Reverse Voltage VRWM | TA = +25°C | max 75 V | 2 |
| DC Blocking Voltage VR | TA = +25°C; shared rating with Peak Repetitive Reverse Voltage and Working Peak Reverse Voltage | max 75 V | 2 |
| RMS Reverse Voltage VR(RMS) | TA = +25°C | max 53 V | 2 |
| Forward Continuous Current IFM | TA = +25°C | max 500 mA | 2 |
| Non-Repetitive Peak Forward Surge Current IFSM | TA = +25°C, t = 1.0us | max 4 A | 2 |
| Non-Repetitive Peak Forward Surge Current IFSM | TA = +25°C, t = 1.0s | max 0.5 A | 2 |
| Power Dissipation (Note 6) PD | Part mounted on FR-4 PC board with minimum recommended pad layouts | max 200 mW | 2 |
| Thermal Resistance Junction to Ambient Air (Note 6) RθJA | SOD323; part mounted on FR-4 PC board with minimum recommended pad layouts | max 625 °C/W | 2 |
| Operating and Storage Temperature Range TJ, TSTG | min -55 · max 150 °C | 2 | |
| Reverse Breakdown Voltage (Note 5) V(BR)R | TA = +25°C, IR = 2.5uA; short duration pulse test | min 75 V | 2 |
| Forward Voltage VFM | TA = +25°C, IF = 5.0mA | min 0.62 · max 0.72 V | 2 |
| Forward Voltage VFM | TA = +25°C, IF = 10mA | max 0.855 V | 2 |
| Forward Voltage VFM | TA = +25°C, IF = 100mA | max 1 V | 2 |
| Forward Voltage VFM | TA = +25°C, IF = 150mA | max 1.25 V | 2 |
| Peak Reverse Current (Note 5) IRM | TA = +25°C, VR = 75V; short duration pulse test | max 2.5 uA | 2 |
| Peak Reverse Current (Note 5) IRM | VR = 75V, TJ = +150°C; short duration pulse test | max 50 uA | 2 |
| Peak Reverse Current (Note 5) IRM | VR = 25V, TJ = +150°C; short duration pulse test | max 30 uA | 2 |
| Peak Reverse Current (Note 5) IRM | TA = +25°C, VR = 20V; short duration pulse test | max 25 nA | 2 |
| Total Capacitance CT | TA = +25°C, VR = 0, f = 1.0MHz | max 4 pF | 2 |
| Reverse Recovery Time tRR | TA = +25°C, IF = IR = 10mA, IRR = 0.1 x IR, RL = 100Ω | max 4 ns | 2 |
Ordering codes, by the datasheet
2- 1N4448WS-7-F
- SOD323 · 3,000 pieces, Tape & Reel · p. 1
- 1N4448WSQ-7-F
- SOD323 · Automotive variant, AEC-Q101 qualified, PPAP capable; 3,000 pieces, Tape & Reel · p. 1
- 4 layers43.2 × 43.2 mm
Pogobot head
nekonaute/pogobot
Pogobot is an open-source open-hardware robotic platform for swarm robotics
140 parts21 - 8 layers82.6 × 55.2 mm
- 4 layers160 × 117.5 mm
- 2 layers152.3 × 128.5 mm
- 4 layers102.5 × 113.8 mm
Pdms
PGRacing/PDM
Rev 4.3 | ID | NAME | CAUSE |DIFFICULTY | PRIORITY | STATUS | | --- | --- | --- | --- | --- | --- | | 1. | Create test board for BTS50025-1TAE | Switch with higher Rds(on) should perform better in terms of diagnostics…
501 parts1 - 8 layers63.5 × 93.3 mm
Pmc
7134956/phobia-pcb
This repository contains schematic and printed circuit board design files of the PMC. There is KiCad project. Refer to the PMC repository for details.
174 parts - 4 layers57.4 × 51.4 mm
Parts like it
8
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Questions
Is there a KiCad symbol and footprint for the 1N4448WS?
Yes. The symbol is Diode:1N4448WS and the footprint Diode_SMD:D_SOD-323, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 1N4448WS?
SOD-323, with 2 pins. Its footprint is drawn on this page.
Where is the 1N4448WS datasheet?
Diodes Incorporated publishes it: the Datasheet link on this page opens it.
Where can I order the 1N4448WS?
JLCPCB lists it as part C260859, with 4,433 in stock; the sellers' links on this page open their listings.
What can replace the 1N4448WS?
Parts like it in the library: the 1N4448WS by Jiangsu Changjing Electronics Technology (CJ), the BAV116WS by Diodes Incorporated, the BAS316-13P by Micro Commercial Components and the BAS416 by FUXINSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the 1N4448WS?
15 boards in 13 repositories on GitHub; the most starred are listed on this page, with their KiCad files.