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1N4148WS on a board, in 3D

1N4148WS

STMicroelectronics

1.25V@150mA 150mA 1uA@75V 200mW 350mA 4ns 75V Independent SOD-323 Switching Diodes ROHS

Extended
DatasheetJLCPCBLCSCst/1N4148WS
Category
Switching Diodes
Package
SOD-323
Pins
2

Overview

The 1N4148WS is a switching Diode made by STMicroelectronics in a SOD-323 package with 2 pins. 1.25V@150mA 150mA 1uA@75V 200mW 350mA 4ns 75V Independent SOD-323 Switching Diodes ROHS.

PCBKit's library has its KiCad symbol (Diode:1N4148WS, from KiCad's library) and its footprint (Diode_SMD:D_SOD-323, from KiCad's library), ready for a KiCad board. 214,949 are in stock at JLCPCB (part C57759).

Symbol

Diode:1N4148WSFrom KiCad's library

Footprint

12
Diode_SMD:D_SOD-323From KiCad's library

From the datasheet

8
Reverse voltage, most
75 V · maximum reverse voltage · p. 1
Forward current, most
150 mA · maximum average rectified forward current, Ta = 25 OC · p. 1
Junction, hottest
150 °C · maximum junction temperature · p. 1
Junction to air (SC-76)
625 K/W · junction to ambient air · p. 1
Forward voltage
715 mV · max at IF = 1 mA, Ta = 25 OC · p. 1
Forward voltage
855 mV · max at IF = 10 mA, Ta = 25 OC · p. 1
Forward voltage
1 V · max at IF = 50 mA, Ta = 25 OC · p. 1
Forward voltage
1.25 V · max at IF = 150 mA, Ta = 25 OC · p. 1

What it is and has

4
Diode type
Silicon Epitaxial Planar Switching Diode · p. 1
Package
SC-76 · p. 1
Switching
Fast switching · p. 1
Marking code
W2 · p. 1

Specifications

19
ParameterConditionsAs printedPage
Peak Reverse Voltage VRMTa = 25 OCmax 100 V1
Reverse Voltage VRTa = 25 OCmax 75 V1
Average Rectified Forward Current IF(AV)Ta = 25 OCmax 150 mA1
Surge Forward Current IFSMt < 1 s, Tj = 25 OCmax 350 mA1
Power Dissipation PtotTa = 25 OCmax 200 mW1
Thermal Resistance from Junction to Ambient Air RθJASC-76; Ta = 25 OCmax 625 OC/W1
Junction Temperature Tjmax 150 OC1
Storage Temperature Range Tstgmin -65 · max 150 OC1
Reverse Breakdown Voltage V(BR)RIR = 1 uAmin 75 V1
Forward Voltage VFIF = 1 mAmax 0.715 V1
Forward Voltage VFIF = 10 mAmax 0.855 V1
Forward Voltage VFIF = 50 mAmax 1 V1
Forward Voltage VFIF = 150 mAmax 1.25 V1
Peak Reverse Current IRVR = 75 Vmax 1 uA1
Peak Reverse Current IRVR = 20 Vmax 25 nA1
Peak Reverse Current IRVR = 75 V, TJ = 150 OCmax 50 uA1
Peak Reverse Current IRVR = 25 V, TJ = 150 OCmax 30 uA1
Total Capacitance CTVR = 0 V, f = 1 MHzmax 2 pF1
Reverse Recovery Time trrIrr = 0.1 X IR, IF = IR = 10 mA, RL = 100 Ωmax 4 ns1

Pins, by the datasheet

2
1 Cathode
Cathode · p. 1
2 Anode
Anode · p. 1

Parameters

12
Current - Rectified
150mA
Diode Configuration
Standalone
Junction Temperature(Max)
150℃
Non-Repetitive Peak Forward Surge Current
350mA
Operating Junction Temperature Range
+150℃@(Tj)
Pd - Power Dissipation
200mW
Reverse Leakage Current (Ir)
1uA@75V
Reverse Recovery Time (trr)
4ns
Thermal Resistance(Junction to Ambient)
625℃/W
Voltage - DC Reverse(Vr)
75V
Voltage - Forward(Vf)
715mV
Voltage - Forward(Vf@If)
1.25V@150mA

Order codes

1

Pinout

2
The pins of the 1N4148WS
PinNameType
1KPassive
2APassive

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Questions

Is there a KiCad symbol and footprint for the 1N4148WS?

Yes. The symbol is Diode:1N4148WS 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 1N4148WS?

SOD-323, with 2 pins. Its footprint is drawn on this page.

Where is the 1N4148WS datasheet?

STMicroelectronics publishes it: the Datasheet link on this page opens it.

Where can I order the 1N4148WS?

JLCPCB lists it as part C57759, with 214,949 in stock; the sellers' links on this page open their listings.

What can replace the 1N4148WS?

Parts like it in the library: the 1N4148WS by Jiangsu Changjing Electronics Technology (CJ), the 1N4148WS by JSMSEMI, the 1N4148WS by MDD and the 1N4148WS by GOODWORK. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

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