MCL4148
500mW 100 Volt
Silicon Epitaxial Diode
MICROMELF
Features
• Silicon epitaxial planar diode
• Fast Switching Speed
• This diode is also available in the DO-35 case with the type
designation 1N4148, in the Mini-MELF case with the type
designation LL4148
DIMENSIONS
INCHES
MM
DIM MIN MAX MIN MAX NOTE
A .071 .079 1.8 2.0
B .004 .008 .10 .20
C .047 .051 1.20 1.30 ∅
Maximum Ratings
• Operating Temperature: -55OC to +150OC
• Storage Temperature: -55OC to +150OC
• Maximum Thermal Resistance; 3500C/W Junction To Ambient
Electrical Characteristics @ 25OC Unless Otherwise Specified
Reverse Voltage VR 75V
Peak Reverse
Voltage VRM 100V
Maximum Average
Rectified Current IO 200mA Resistive Load
f > 50Hz
Power Dissipation PTOT 500mW1) TA=25OC
Junction Temperature TJ 150OC
Surge Forward
Current IFSM 500mA t<1S, TJ=25OC
Maximum Forward
Voltage VF 1.0V IFM = 50mA;
TJ = 25OC*
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR 25nA
5.0uA
50uA
VR=20V
TJ=25OC VR=75V,
TJ=150OC VR=20V
Typical Junction
Capacitance CJ 4.0pF Measured at
VR=VF=0V
Reverse Recovery
Time Trr 4.0nS IF=10mA,
VR = 6.0V
RL=100OHMS
*Pulse test: Pulse width 300 usec, Duty cycle 2%
1) Valid provided that leads at a distance of 8mm from case are kept
at ambient temperature(DO-35)
A
B
C
Cathode Mark
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MCC
Revision: 3 2003/04/30
Admissable Power Dissipation - MilliWatts versus
Ambient Temperature -OC
Figure 2
Forward Derating Curve
0
175 50 75
100
125
0
100
200
Single Phase, Half Wave
60Hz Resistive or Inductive Load
MilliWatts
OC
150
400
500
600
Junction Capacitance - pF versus
Reverse Voltage - Volts
Instantaneous Forward Current - Amperes versus
Instantaneous Forward Voltage - Volts
Figure 1
Typical Forward Characteristics
4
6
20
10
MilliAmps
.4 .6 .8 1.0 1.2 1.4
.01
.02
.04
.06
.1
.2
.4
.6
1
2
25O
C
Volts
Figure 3
Junction Capacitance
.1 .2 1 .4 2 10 20 40
4 100 200
.1
.2
.6
1
2
10
pF
Volts
6
4
.4
400
1000
TJ=25OC
MCL4148 MCC
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Revision: 3 2003/04/30
1
100
4
0
100
200
300
8
Figure 5
Peak Forward Surge Current
Peak Forward Surge Current - Amperes versus
Number Of Cycles At 60Hz - Cycles
MilliAmps
Cycles
2
6
10
20
60
80
40
400
500
600
MCL4148
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MCC
Figure 4
Typical Reverse Characteristics
Instantaneous Reverse Leakage Current - NanoAmperes versus
Junction Temperature - °C
TJ
40
60
200
100
NanoAmps
20 120
40 60 80 100
.1
.2
.4
.6
1
2
4
6
10
20
400
600
1000
140
TA=25°C
Revision: 3 2003/04/30