Page 1
1
SWITCHING DIODE
FEATURES
High Conductance
Fast Switching
Small Surface Mount device
For General Purpose Switching Applications
Case: SOD-123
Case Material: Molded Plastic. UL flammability
Classification Rating: 94V-0
Weight: 0.005 grams (approximate)
MECHANICAL DATA
1N4148W
SOD-123
MAXIMUM RATINGS (TA= 25°C unless otherwise noted)
Parameter Symbol Value Unit
Non-Repetitive Peak Reverse Voltage
DC Blocking Reverse Voltage V
RMS Reverse Voltage V
V
RM
R
R(RMS)
100 V
100 V
70 V
Forward Current IF 300 mA
Average Rectified Output Current IO 150 mA
Non-Repetitive Peak Forward Surge Current @ t@=8.3ms
IFSM 2.0 A
Power Dissipation PD 350 mW
Thermal Resistance From Junction To Ambient
Junction Temperature TJ
R
θJA
250 °C/W
150 °C
Storage Temperature TSTG -55 ~+150 °C
ELECTRICAL CHARACTERISTICS (TA= 25°C unless otherwise specified)
Parameter Symbol Min Typ Max Unit Conditions
IF=1mA
IF=10mA
=50mA
I
V
I
=150mA
=75V
V
V
=0V,f=1MHz
IF=IR=10mA,Irr=0.1XIR,RL=100Ω
Forward voltage
Reverse current I
Diode capacitance C
Reverse recovery time
VF
R
T
D
RR
0.71
0.855
1.0
1.25
1 uA
2 pF
4 nS
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Page 2
2
SWITCHING DIODE
Typical Characteristics
w
ard Characteristics
300
For
10000
rse Characteristics
Reve
1N4148W
100
30
(mA)
F
10
3
1
0.3
FORWARD CURRENT I
0.1
0.0 0.4 0.8 1.2 1.6
℃
0
0
1
=
a
T
℃
5
2
=
a
T
FORWARD VOLTAGE VF (V)
1.6
Capaci
1.4
tance Characteristics
Ta=25
f=1MH
3000
℃
1000
(nA)
R
300
100
30
10
REVERSE CURRENT I
3
1
0 20406080100
Ta=100
Ta=25
℃
REVERSE VOLTAGE VR (V)
r Derating Curve
℃
z
500
400
(mW)
D
1N4148W
Powe
1.2
(pF)
T
1.0
C
0.8
CAPACITANCE BETWEEN TERMINALS
0.6
0481216
REVERSE VOLT
AGE V
(V)
R
20
300
200
100
POWER DISSIPATION P
0
0 25 50 75
AMBIENT TEMPERATURE Ta ( )
100 125 150
℃
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Page 3
3
SWITCHING DIODE
Note:
1.Controlling dimension: in millimeters
2.General tolerance: ±0.05mm
3.The pad layout is for reference purposes only
SOD-123 Package Outline Dimensions
1N4148W
Symbol
Dimensions In Millimeters Dimensions In Inches
Min. Max. Min. Max.
A 1.050 1.250 0.041 0.049
A1 0.000 0.100 0.000 0.004
A2 1.050 1.150 0.041 0.045
b 0.450 0.650 0.018 0.026
c 0.080 0.150 0.003 0.006
D 1.500 1.700 0.059 0.067
E 2.600 2.800 0.102 0.110
E1 3.550 3.850 0.140 0.152
L 0.500REF 0.020 REF
L1 0.250 0.450 0.010 0.018
θ 0° 8° 0° 8°
SOD-123 Suggested Pad Layout
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Page 4
4
SWITCHING DIODE
SOD-123 Tape and Reel
SOD-123 Embossed Carrier Tape
SOD-123 Tape Leader and Trailer
1N4148W
DIMENSIONS ARE IN MILLIMETER
TYPE A B C d E F P0 P P1 W
SOD-123 1.85 3.95 1.57 Ø1.55 1.75 3.50 4.00 4.00 2.00 8.00
TOLERANCE ±0.1 ±0.1 ±0.1 ±0.1 ±0.1 ±0.1 ±0.1 ±0.1 ±0.1 ±0.1
SOD-123 Reel
DIMENSIONS ARE IN MILLIMETER
REEL OPTION D D1 D2 G H I W1 W2
7’’ DIA Ø178 54.40 13.00 R78 R25.60 R6.50 9.50 12.30
TOLERANCE ±2 ±1 ±1 ±1 ±1 ±1 ±1 ±1
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