1N4148
SMALL- SIGNAL DIODE
PRODUCT SUMMARY
Fast Switching Diode
FEATURES
Silicon Epitaxial Planar Diode
Fast switching diode
This diode is also available in other case styles including the
MiniMELF case with the type designation LL4148, and the
DO-34 case with type designation 1N4148S.
MECHANICAL DATA
Case: DO-34, DO-35 Glass Case
Weight: approx. 0.13g
Pb-free; RoHS-compliant
MAXIMUM RATINGS AND THERMAL CHARACTERISTICS
(T
A
=25 C unless otherwise noted. )
Parameter
Reverse voltage
Peak reverse voltage
Average rectified current
half wave rectification with resistive load at T
amb
=25
o
C
Surge forward current at t<1s and T
j
=25
o
C
Power dissipation at T
amb
=25
o
C
(1)
o
Symbol
V
R
V
RM
I
F(AV)
I
FSM
P
tot
R
θ
JA
T
j
T
S
Limit
75
100
1 5 0
1)
500
500
350
175
-65 to +175
Unit
Volts
Volts
mA
mA
mW
o
Thermal resistance junction to ambient air
(1)
Junction temperature
Storage temperature range
C/W
o
C
C
o
Notes:
1. Valid provided that leads at a distance of 8mm from case are kept at ambient temperature
07/04/2007 Rev.1.00
www.SiliconStandard.com
1
1N4148
ELECTRICAL CHARACTERISTICS
(T
J
=25 Cunless otherwise noted.)
o
Parameter
Reverse breakdown voltage
Forward voltage
Leakage current
Capacitance
Voltage rise when switching ON
(tested with 50mA pulses)
Reverse recovery time
Rectification efficiency
Symbol
V
(BR)R
V
F
I
R
C
tot
V
fr
t
rr
η½
Test Condition
I
R
=100
uA
I
F
=10mA
V
R
=20V
V
R
=75V
V
R
=20V, T
J
=150
O
C
V
F
=V
R
=0V
tp = 0.1s, Rise time < 30
ns
fp=5 to 100kHz
I
F
=10mA, I
R
=1mA
V
R
=6V, R
L
=100
Ω
f=100MHz, V
RF
=2V
Min.
100
-
-
-
-
-
-
-
0.45
Typ.
Max.
Unit
Volts
-
-
-
-
-
-
-
-
1.0
25
5.0
50
4.0
2.5
4.0
-
Volt
nA
uA
uA
pF
ns
ns
-
07/04/2007 Rev.1.00
www.SiliconStandard.com
2
1N4148
RATINGS AND CHARACTERISTIC CURVES
(T
A
=25 C unless otherwise noted )
o
07/04/2007 Rev.1.00
www.SiliconStandard.com
3
1N4148
RATINGS AND CHARACTERISTIC CURVES
(T
A
=25 C unless otherwise noted )
o
Information furnished by Silicon Standard Corporation is believed to be accurate and reliable. However, Silicon Standard Corporation makes no
guarantee or warranty, expressed or implied, as to the reliability, accuracy, timeliness or completeness of such information and assumes no
responsibility for its use, or for infringement of any patent or other intellectual property rights of third parties that may result from its
use. Silicon Standard reserves the right to make changes as it deems necessary to any products described herein for any reason, including
without limitation enhancement in reliability, functionality or design. No license is granted, whether expressly or by implication, in relation to
the use of any products described herein or to the use of any information provided herein, under any patent or other intellectual property rights of
Silicon Standard Corporation or any third parties.
07/04/2007 Rev.1.00
www.SiliconStandard.com
4
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