FAST SWITHING DIODES
DN:T20519A0
http://www.microdiode.com Rev:2020A0 Page :1
1N4148W
Features
Fast switching speed
Surface mount package ideally suited
for automatic insertion
For general purpose switching applications High
conductance
Reverse Voltage 100 Volts Forward Current - 0.25 Ampere
Mechanical Data
Case : JEDEC SOD-123 molded plastic body
Terminals : Plated leads solderable per MIL-STD-750,
Method 2026
Polarity : Polarity symbols marked on case
Weight
: 0.0007 ounce, 0.02 grams
Marking: T5
Parameter
Maximum Repetitive Peak Reverse Voltage
Maximum RMS voltage
Non-reptitive Peak Forward Surge Current
at 1.0s
Total Power Dissipation
Typical Thermal Resistance
（1）
Operating and Storage Temperature Range
Continuous Forward Current
V
RRM
V
RMS
I
F
I
FSM
P
tot
100 V
75
V
300
-65 ~ +150
A
mW
°C
Units
T
j
, T
stg
Symbols
mA
2
Absolute Maximum Ratings at 25 °C
4
00
Characteristics at Ta= 25 °C
P
arameter
Reverse BreakdownVoltage at I
R
=1μA
V
(BR)R
75 V
Units
S
ymbols
1N4148W
Maximum Forward Voltage
V
F
V
at 10u A
at 5 m A
at 10 m A
at 100 m A
at 150mA
0.72
0.855
1.00
1.25
at V
R
=20V
at V
R
=75V T
j
=25
T
j
=25°C
°C
I
R
25
2.5
nA
5
pF
C
j
Typical Junction Capacitance
Maximum Reverse Recovery Time
ns
t
rr
8
1N4148W
Peak Reverse Current
R
θJA
250
°C/W
（1）P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper pad areas.
SOD-123
Dimensions in inches and (millimeters)
0.080 (0.0031)
1.050 (0.041)
0.150 (0.0059)
1.250 (0.049)
0.008 (0.2 )
0.018 (0.45)
0.010 (0.25)
0.019 (0.475) ref.
0° to 8°
0.110(2.80)
0.098(2.50)
Cathode bar
0.071(1.80)
0.028(0.70)
0.020(0.50)
0.154 (3.90)
0.142 (3.60)
0.059(1.50)
0.008(0.20)max.
at 1.0us
4
uA
Average rectified output current
I
0
150
mA
Rev:2020A0 Page :2
Typical Characterisitics
The curve above is for reference only.
http://www.microdiode.com
1N4148W
Reverse Voltage 100 Volts Forward Current - 0.25 Ampere
0 200 400 600 800 1000
VF FORWARD VOLTAGE (mV)
FIG. 2-TYPICAL FORWARD CHARACTERISTICS
FIG. 1- POWER DERATING CURVE
Pd.POWER DISSIPATION(mW)
100
10
1.0
0.1
IF, FORWARD CURRENT(A)
600
500
400
300
200
100
0
0 25 50 75 150100 125
TA,AMBIENT TEMPERATURE( C)
FIG. 3- TYPICAL REVERSE CHARACTERISTICS
IR,REVERSE CURRENT(uA)
0 20 40 60 80
10
1.0
0.1
0.01
0.001
VR, REVERSE VOLTAGE (V)
FIG. 4- REVERSE RECOVERY TIME VS
FORWARD CURRENT
Trr, REVEERSE RECOVERY TIME (nS)
0 20 40 60 80 100
2.5
2.0
1.5
1.0
0.5
0
VR, FORWARD CURRENT (mA)
TA=85
C
TA=50 C
TA=25 C
TA=0 C
TA=-30 C
TA=100 C
TA=75 C
C
TA=50
TA=25 C
TA=0 C
TA=-30 C
FIG. 5- TOTAL CAPACITANCE VS
REVERSE VOLTAGE
CT.TOTAL CAPACITANCE (pF)
VR,REVERSE VOLTAGE (V)
4
3
2
1
0
0 1 2 3 4 5 6
f=1MHz