ZOWIE 1N4148 Datasheet
1N4148
SMALL-SIGNAL DIODE
Reverse Voltage 100 Volts Peak Forward Current - 150mA
DO-35
.022 (0.56)
.018 (0.46)
1.02 (26.0)
MIN.
.165 (4.2)
MAX.
1.02 (26.0)
MIN.
.079 (2.0)
MAX.
DIA.
*Dimensions in inches and (millimeters)
MAXIMUM RATINGS THERMAL CHARACTERISTICS ( TA=25oC unless otherwise noted )
PARAMETER
Continuous Reverse Voltage
Peak Reverse Voltage
Average Rectified Current
Half Wave Rectification with Resistive Load at Tamb = 25oC
Surge Forward Current at t < 1s and Tj = 25oC
Power Dissipation at Tamb = 25oC
Thermal Resistance Junction to Ambient Air
Junction Temperature
Storage Temperature
(1)
(1)
FEATURES
*Silicon Epitaxial Planar Diode
*Fast switching diode.
MECHANICAL DATA
Case : DO-35 Glass Case
Weight : approx. 0.13 gram
SYMBOLS
V
R
V
RM
IF
( AV )
I
FSM 500 mAdc
P
tot
R
JA
T
J
T
STG
VALUE
75
100
150
500 mW
350
175
-65 to +175
UNITS
Vdc
Vdc
mAdc
o
C / W
o
C
o
C
PARAMETER
Reverse Voltage Leakage Current
Reverse Breakdown Voltage
Forward Voltage
Junction Capacitance
Voltage Rise when Switching ON
( tested with 50 mA Pulses )
Reverse Recovery Time
REV. : 0
ELECTRICAL CHARACTERISTICS ( TA=25oC unless otherwise noted )
TEST CONDITION
( VR=20Vdc )
( VR=75Vdc )
( VR=20Vdc, TJ=150oC )
( IR=100uAdc )
( IF=10mAdc )
( VR=0, f=1.0MHz )
( tp=0.1us, Rise time < 30ns
fp=5 to 100 kH
( IF=10mA, IR=1mA, VR=6V, RL=100 )
Z
SYMBOL
I
R
V
( BR )
V
F
C
J
V
FR
t
rr
MIN. TYP.
-
-
-
- - Vdc
- -
- - 2.5
MAX.
-
-
-
-
Zowie Technology Corporation
25
5
50
-
1.0
4
4-
UNITS
nAdc
uAdc
uAdc
Vdc100 -
pF
V
nS
RATINGS AND CHARACTERISTIC CURVES OF 1N4148
FIG.1 - FORWARD VOLTAGE VS. JUNCTION TEMPERATURE
1.2
TJ = 25oC
1.0
IF = 100mA
0.8
0.6
IF = 1mA
0.4
IF = 0.1mA
VF ± FORWARD VOLTAGE ( V )
0.2
0
-30 0 30 60 90
TJ - JUNCTION TEMPERATURE oC VF - FORWARD VOLTAGE ( V )
120
FIG.2 - FORWARD CURRENT VS. FORWARD VOLTAGE
1000
100
Scattering Limit
10
1
TJ = 25oC
IF ± FORWARD VOLTAGE ( mA )
0.1
0 0.4 0.8 1.2 1.6
2.0
FIG.3 - REVERSSE CURRENT VS. REVERSE VOLTAGE
1000
TJ = 25oC
100
Scattering Limit
10
IR ± REVERSE CURRENT ( nA )
1
1 0
VR ± FORWARD VOLTAGE ( V )
100
REV. : 0
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