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1N4148 Datasheet, PDF (1/3 Pages) NXP Semiconductors – High-speed diodes
KI SEMICONDUCTOR
SMALL SIGNAL SWITCHING DIODE
FEATURES
Silicon epitaxial planar diode
High speed switching diode
500 m W power dissipation
These diodes are also available in glass case
DO-34. Mini-MELF
MECHANICAL DATA
Case: DO-35, glass case
Polarity: Color band denotes cathode
Weight: 0.004 ounces, 0.13 grams
1N4148
REVERSE VOLTAGE : 75 V
CURRENT: 0.15 A
DO-35(GLASS)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 am bient temperature unless otherwise specified.
MAXIMUM RATINGS
Reverse voltage
Peak reverse voltage
Average forw ard rectified current
VR
VRM
half w ave rectification w ith resist.load
IAV
@TA=25 and f 50Hz
Forw ard surge current @ t<1s and TJ=25
IFSM
Pow er dissipation
@ TA=25
Ptot
Junction temperature
TJ
Storage temperature range
TSTG
1)Valid prov ided that leads at a distance of 8 mm f rom case are kept at ambient temperature.
ELECTRICAL CHARACTERISTICS
MIN
Forw ard voltage at IF=10mA
Leakage current
VF
-
@ VR=20V
@ VR=75V
@ VR=20V TJ=150
Capacitance @ VF=VR=0V
Voltage rise w hen sw itching on
IR
-
IR
-
IR
-
CJ
-
tested w ith 50mA pulses
Vf r
-
tp=0.1μs. Rise time<30ns. fp=5 to 100KHz
Reverse recovery time
f rom IF=10mA to IR=1mA
VR=6V. RL=100Ω.
Thermal resistance junction to ambient
Rectification efficiency at 100MHz,VRF=2V
trr
RθJA
ηv
-
0.45
1)Valid prov ided that leads at a distance of 8 mm f rom case are kept at ambient temperature.
1N4148
75.0
100.0
150.0
500.0
5001)
175
-55 --- +175
TYP
-
-
-
-
-
-
-
-
1
UNITS
V
V
mA
mA
mW
MAX
1.0
25.0
5.0
50.0
4
2.5
4
3501)
-
U N ITS
V
nA
μA
μA
pF
V
ns
K/W
-