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Silicon Epitaxial Planar Diode
Fast Switching Speed : trr = 4ns(Typ)
Surface Mount Package Ideally Suited For
Automatic Insertion
For General Purpose Switching Applications
High Conductance
Available in Lead Free Version
Surface mount fast switching diode
Maximum Rating @ Ta = 25°C unless otherwise specied
Electrical Characteristics @ Ta = 25°C unless otherwise specied
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Voltage Vrm 100 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Reverse Voltage
75 V
RMS Reverse Voltage Vr(rms)53 V
Forward Continuous Current Ifm 300 mA
Average Rectied Output Current lo150 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0 μs
@ t = 1.0 s Ifsm 2
Power Dissipation Pd200 mW
Thermal Resistance Junction to Ambient Air RθJA 625 °C/W
Operating and Storage Temperature Range Tj,TSTG -65 to+150 °C
Characteristic Symbol Min. Max. Unit Test Condition
Reverse Breakdown Voltage V(BR)R 75 - V Ir = 1μA
Forward Voltage Vf-
If = 1mA
If = 10mA
If = 50mA
If = 150mA
Reverse Current Ir-1
Vr = 75V
Vr = 20V
Capacitance between terminals Ct- 2 pF Vr = 0, f = 1MHz
Reverse Recovery Time trr - 4 ns If = Ir = 10mA,
Irr = 0.1 × Ir, Rl = 100Ω
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Silicon Epitaxial Planar Diode
Typical Characteristics @ Ta = 25°C unless otherwise specied
Package Outline
Plastic surface mounted package
Dim Min Max
A 1.275 1.325
B 1.675 1.725
C0.9 Typical
D 0.25 0.35
E 0.27 0.37
H 0.02 0.1
J0.1 Typical
K 2.6 2.7
All Dimensions in mm
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Silicon Epitaxial Planar Diode
Important Notice : This data sheet and its contents (the “Information”) belong to the members of the Premier Farnell group of companies (the “Group”) or are licensed to it. No licence is granted
for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change
without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any
error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any
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Multicomp is the registered trademark of the Group. © Premier Farnell plc 2012.
Part Number Table
Description Part Number
Silicon Epitaxial Planar Diode 1N4148WS
Soldering Foot print
Package Information
Device Package Shipping
1N4148WS SOD-323 3,000 / Tape & Reel