1N4148WT-E
Reverse Voltage 100 Volts Forward Current - 0.15 Ampere
1. Description
FAST SWITCHING DIODES
2. Features
• Small Package
• Low Reverse Current
• Fast Switching Speed
• Surface Mount Package Ideally Suited for Automatic Insertion
3. Application
• High frequency rectifier
• Signal switching
4. Mechanical Data
• Case : SOD-523 Molded Plastic
• Polarity : Polarity symbols marked on case
• Marking: T4
5. Absolute Maximum Ratings(TA=25°C unless otherwise noted)
Parameter
Maximum repetitive peak reverse voltage
RMS Reverse Voltage
Reverse Breakdown voltage at IR=1 μA
Forward continuous current
Average rectified output current
Non-repetitive Peak Forward Surge Current@t=8.3m s
Power Dissipation
Thermal resistance junction to ambient Junction
Temperature
Storage Temperature
Rev:2025A0
Symbol
Value
Unit
VRRM
100
V
VR(RMS)
53
V
V(BR)R
75
V
IFM
300
mA
IO
150
mA
IFSM
PD
RθJA
TJ
Tstg
2
A
150
mW
833
°C/W
125
°C
-55~+125
°C
1N4148WT-E
Reverse Voltage 100 Volts Forward Current - 0.15 Ampere
6. Pinning information
Pin
Symbol
Description
1
-
Cathode
2
+
Anode
Simplified outline
(1)
T4
Equivalent Circuit
(2)
Marking
Package
T4
SOD-523
(2)Anode
(1)Cathode
7. Characteristics(TA=25°C unless otherwise noted)
Parameter
Forward voltage
Reverse current
Capacitance between terminals
Reverse recovery time
Craftsman-Made Consciention Chip
Rev:2025A0
Condition
Symbols
Min
Typ
Max
Unit
VF1
IF=1.0mA
—
—
0.715
V
VF2
IF=10mA
—
—
0.855
V
VF3
IF=50mA
—
—
1.0
V
VF4
IF=150mA
—
—
1.25
V
IR1
VR=20V
—
—
0.025
μA
IR2
VR=75V
—
—
μA
VR=0V , f=1.0MHz
1
—
—
2
pF
—
—
4
ns
Ctot
trr
IF=IR=10mA
Irr=0.1 ×IR , RL=100Ω
2/5
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1N4148WT-E
Reverse Voltage 100 Volts Forward Current - 0.15 Ampere
8.Typical Characterisitics
1000
200
100
(nA)
(mA)
Ta=100℃
REVERSE CURRENT IR
1
T=
a 2
5℃
FORWARD CURRENT
IF
T=
a 1
00
℃
10
0.1
0.01
0.0
0.2
0.4
0.6
FORWARD VOLTAGE
0.8
VF
1.0
100
1
1.2
Ta=25℃
10
0
REVERSE VOLTAGE
Figure 1. Forward Characteristics
60
40
20
(V)
VR
80
(V)
Figure 2. Reverse Characteristics
1.2
200
Ta=25℃
(mW)
150
PD
1.1
POWER DISSIPATION
CAPACITANCE BETWEEN TERMINALS
CT (pF)
f=1MHz
1.0
0.9
0.8
0
5
15
10
REVERSE VOLTAGE
VR
100
50
0
20
(V)
0
25
50
75
AMBIENT TEMPERATURE
Figure 3. Capacitance Characteristics
100
Ta
125
150
(℃)
Figure 4. Power Derating Curve
The curve above is for reference only.
Craftsman-Made Consciention Chip
Rev:2025A0
3/5
www.microdiode.com
1N4148WT-E
Reverse Voltage 100 Volts Forward Current - 0.15 Ampere
9. Outline Drawing
SOD-523 Package Outline Dimensions
6\P RO
A
A1
b
c
D
E
E1
E2
L
Κ
LPHQVLRQV,Q0LOOLPHWHUV
0LQ
0D[
0.510
0.770
0.500
0.770
0.250
0.400
0.080
0.150
0.750
1.000
1.100
1.300
1.500
1.700
0.250
0.150
0.000
0.070
0°
8°
LPHQVLRQV,Q,QFKHV
0D[
0LQ
0.020
0.031
0.020
0.031
0.010
0.016
0.003
0.006
0.030
0.040
0.043
0.051
0.059
0.067
0.006
0.010
0.000
0.003
0°
8°
10. Suggested Pad Layout
Note:
1.Controlling dimension:in/millimeters.
2.General tolerance: ±0.05mm.
3.The pad layout is for reference purposes only.
11.PACKAGE SPECIFICATIONS
Package
Reel Size
Reel DIA.
(mm)
Q'TY/Reel
(pcs)
Box Size
QTY/Box
Carton Size
Q'TY/Carton
(mm)
(pcs)
(mm)
(pcs)
SOD-523
7'
178
3000
183×188×80
45,000
386×265×215
180,000
Craftsman-Made Consciention Chip
Rev:2025A0
4/5
www.microdiode.com
1N4148WT-E
Reverse Voltage 100 Volts Forward Current - 0.15 Amper
12.Important Notice and Disclaimer
Microdiode Electronics (Shenzhen) reserves the right to make changes to this document and its products and specifications
at any time without notice. Customers should obtain and confirm the latest product information and specifications before final
design,purchase or use.
Microdiode Electronics (Shenzhen) makes no warranty, representation or guarantee regarding the suitability of its products
for any particular purpose, not does Microdiode Electronics (Shenzhen) assume any liability for application assistance or
customer product design. Microdiode Electronics (Shenzhen) does not warrant or accept any liability with products which are
purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights or Microdiode Electronics (Shenzhen).
Microdiode Electronics (Shenzhen) products are not authorized for use as critical components in life support devices or
systems without express written approval of Microdiode Electronics (Shenzhen).
Craftsman-Made Consciention Chip
Rev:2025A0
5/5
www.microdiode.com
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