FCI 1N4148W

1N4148W High Speed
Switching Diode
Data Sheet
Description
Mechanical Dimensions
1N4148W
INCHES
SOD-123
1. CATHODE
Features
2. ANODE
DIM
A
B
C
D
E
F
G
H
MM
MIN
0.055
0.100
0.037
0.020
0.004
0.000
MAX MIN MAX
0.071
1.40 1.80
0.112
2.55 2.85
0.053
0.95 1.35
0.028
0.50 0.70
0.25
0.004 0.00 0.10
0.006
0.15
0.140 0.152
3.55 3.85
n SURFACE MOUNT PACKAGE
n FAST SWITCHING DIODE
n MEETS UL SPECIFICATION
94V-0
n ELECTRICALLY IDENTICAL TO
JEDEC 1N4148
Electrical Characteristics @ 25 O C.
Maximum Ratings
Peak Reverse Voltage...VRM
RMS Reverse Voltage...VR(rms)
Units
1N4148W
100
75
Volts
Volts
Average Rectified Current...IF(AV)
............................................. 150 ...............................................
mAmps
Peak Forward Surge Current...IFSM
............................................. 500 ...............................................
mAmps
Power Dissipation...PD
............................................. 500 ...............................................
............................................. 450 ...............................................
Thermal Resistence...RθJA
Storage and Operating Temperature Range...TSTRG & J ..................................... -65 to 175 ......................................
Electrical Characteristics TJ = 25 °C
Forward Voltage...VF
@ IF = 10 mA
DC Reverse Current...IR
@ VR = 20V
@ VR = 75V
VR = 20V, TJ = 150°C
Typical Junction Capacitance...CJ
Voltage Rise When switched ON
( 50 mA Pulses)
Reverse Recovery Time...TRR
Rectification Efficiency...ηv
mW
°C/W
°C
............................................. 1.0 ...............................................
Volts
............................................. 25.0 ...............................................
............................................. 5.0 ...............................................
............................................. 2.5 ...............................................
nAmps
µAmps
µAmps
pF
nS
............................................. 4.0 ...............................................
............................................. 0.45 min .........................................
nS
-
............................................. 50 ...............................................
............................................. 4 ...............................................
1N4148W High Speed
Switching Diode
Data Sheet
Dynamic forward resistance versus
forward current
Forward Characteristics
1000
10000
Tj = 100oC
100
Tj = 25oC
f = 1kHz
1000
10
rd ( Ω )
IF
Tj = 25oC
1
100
0.1
10
0.01
0
1
1
0.01
2
VF
1
IF (mA)
10
100
Relative capacitance versus
reverse voltage
Admissable power dissipation
versus ambient temperature
Valid provided that leads at a distance of
8mm from case are kept at ambient
temperature
1.1
800
700
600
500
400
300
200
100
0
Ctot(VR)/Ctot(0V)
Ptot (mW)
0.1
Tj = 25C
f = 1MHz
1
0.9
0.8
0.7
0
0
50
100
150
2
200
PVV = 100nS
Device Under TTest
est
50 Ohms
RG = 50 Ohms
Output
Trr
IF
5K Ohms
6
VR (V)
o
T amb ( C)
.01 uF
4
IR
0.1 IR
8
10
1N4148W High Speed
Switching Diode
Data Sheet
Leakage current versus junction
temperature
10000
IR (nA)
1000
100
10
VR = 20V
1
0
100
o
200
Tj ( C)
Admissable repetitive peak forward current versus pulse duration
Valid provided that leads at a distance of 8mm from case are kept at ambient temperature
100
IFRM (A)
I
10
υ=0
T = 1/t p
IF R M
tp
0.1
0.2
1
υ = t p /T
t
T
0.5
0.1
0.00001
0.0001
0.001
0.01
tp (s)
0.1
1
10