1N4148PF
Silicon Epitaxial Planar Switching Diode
Features
Max. 0.5
• Lead Free
Max. 0.45
Min. 27.5
Min. 27.5
Max. 1.9
Black
Cathode Band
Black
Part No.
Black
"ST" Brand
Applications
• High-speed switching
Max. 1.9
Black
Cathode Band
XXX
This diode is also available in MiniMELF case
Black
Part No.
Max. 3.9
ST
Min. 27.5
XXX
Max. 2.9
Min. 27.5
with the type designation LL4148
Glass Case DO-34
Dimensions in mm
Glass Case DO-35
Dimensions in mm
Absolute Maximum Ratings (Ta = 25℃)
Parameter
Symbol
Value
Unit
Peak Reverse Voltage
VRM
100
V
Reverse Voltage
VR
75
V
IF(AV)
200
mA
IFSM
0.5
1
4
A
Ptot
500
mW
Tj
200
℃
Tstg
- 65 to + 200
℃
Symbol
Max.
Unit
RθJL
350
℃/W
Average Rectified Forward Current
Non-repetitive Peak Forward Surge Current
at t = 1 s
at t = 1 ms
at t = 1 μs
Power Dissipation
Junction Temperature
Storage Temperature Range
Thermal Characteristics
Parameter
Thermal Resistance - Junction to Lead
1)
1)
Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
1/3
®
Dated: 30/07/2021 Rev: 01
1N4148PF
Characteristics at Ta = 25℃
Parameter
Reverse Breakdown Voltage
at IR = 100 µA
at IR = 5 µA
Forward Voltage
at IF = 10 mA
Leakage Current
at VR = 20 V
at VR = 75 V
at VR = 20 V, Tj = 150℃
Capacitance
at VR = 0, f = 1 MHz
Voltage Rise when Switching ON
tested with 50 mA Forward Pulses
tp = 0.1 s, Rise Time < 30 ns, fp = 5 to 100 KHz
Reverse Recovery Time
at IF = 10 mA, Irr = 1 mA, VR = 6 V, RL = 100 Ω
Rectification Efficiency 1)
at f = 100 MHz, VRF = 2 V
Symbol
Min.
Max.
Unit
V(BR)R
V(BR)R
100
75
-
V
V
VF
-
1
V
IR
IR
IR
-
25
5
50
nA
µA
µA
Ctot
-
4
pF
Vfr
-
2.5
V
trr
-
4
ns
ηV
0.45
-
-
Vo
2nF
5K
~
~
~
VRF =2V
60
1)
Rectification Efficiency Measurement Circuit
2/3
®
Dated: 30/07/2021 Rev: 01
1N4148PF
Electrical Characteristics Curves
Admissible power dissipation
versus ambient temperature
Relative capacitance
versus reverse voltage
Valid provided that leads at a distance of 8 mm from case
are kept at ambient temperature
mW
1000
1N 4148
1N 4148
Tj=25 oC
f=1MHz
900
1.1
800
Ctot(VR)
Ctot(0V)
1.0
700
P tot
600
500
0.9
400
300
0.8
200
100
0.7
0
0
0
o
200 C
100
0
2
4
6
Tamb
VR
Leakage current
versus junction temperature
nA
10 4
10 V
8
Forward characteristics
mA
1N 4148
10
1N 4148
3
5
2
10 2
10 3
IR
o
Tj=100 C
iF
5
o
Tj=25 C
10
2
10 2
5
1
2
10
10 -1
5
VR=20V
2
1
10 -2
0
o
200 C
100
0
Tj
1
2V
VF
3/3
®
Dated: 30/07/2021 Rev: 01
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