MCC
Features
•
•
•
omponents
21201 Itasca Street Chatsworth
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$
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1N4448
Low Current Leakage
Metalurgically Bonded Construction
Low Cost
500mW 100Volt
Switching Diode
DO-35
•
•
•
Maximum Ratings
Operating Temperature: -55°C to +150°C
Storage Temperature: -55°C to +150°C
Maximum Thermal Resistance; 35
°C/W
Junction To Ambient
Electrical Characteristics @ 25°C Unless Otherwise Specified
Reverse Voltage
Peak Reverse
Voltage
Average Rectified
Current
Power Dissipation
Junction
Temperature
Peak Forward Surge
Current
Instantaneous
Forward Voltage
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
Typical Junction
Capacitance
Reverse Recovery
Time
V
R
V
RM
I
O
P
TOT
T
J
I
FSM
V
F
75V
100V
150mA
500mW
150
°C
Resistive Load
f >= 50Hz
D
A
Cathode
Mark
B
D
500mA
t<1s
C
1.0V(MAX)
I
FM
= 100mA;
0.62-0.72V
I
FM
= 5.0mA
V
R
=20Volts
25nA
I
R
T
J
= 25°C
50µA
T
J
= 150°C
5uA
V
R
=75Volts
C
J
4pF
Measured at
1.0MHz, V
R
=4.0V
T
rr
4nS
I
F
=10mA
V
R
= 6V
R
L
=100Ω
*Pulse test: Pulse width 300
µsec,
Duty cycle 2%
DIMENSIONS
INCHES
MIN
---
---
---
1.000
MM
MIN
---
---
---
25.40
DIM
A
B
C
D
MAX
.166
.079
.020
---
MAX
4.2
2.00
.52
---
NOTE
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1N4448
Figure 1
Typical Forward Characteristics
200
100
60
40
500
20
MilliAmps 10
6
4
2
25°C
1
.6
.4
.2
.1
.4
.6
.8
Volts
Instantaneous Forward Current - Amperes
versus
Instantaneous Forward Voltage - Volts
1.0
1.2
1.4
0
100
400
600
MCC
Figure 2
Forward Derating Curve
300
MilliWatts
200
Single Phase, Half Wave
60Hz Resistive or Inductive Load
0
50
75
100
°C
Admissable Power Dissipation - MilliWatts
versus
Ambient Temperature -
°C
125
150
175
Figure 3
Junction Capacitance
10
6
4
2
pF
1
.6
.4
.2
.1
.1
.2
.4
1
Volts
2
4
10
20
40
100
200
400
1000
T
J
=25°C
Junction Capacitance - pF
versus
Reverse Voltage - Volts
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1N4448
Figure 4
Typical Reverse Characteristics
1000
600
400
200
100
60
40
20
10
NanoAmps
6
4
2
1
.6
.4
.2
.1
20
40
60
T
J
Instantaneous Reverse Leakage Current - NanoAmperes
versus
Junction Temperature -
°C
80
100
120
140
T
A
=25°C
T
A
=100°C
MilliAmps
MCC
Figure 5
Peak Forward Surge Current
600
500
400
300
200
100
0
1
4
6
8 10
Cycles
Peak Forward Surge Current - Amperes
versus
Number Of Cycles At 60Hz - Cycles
20
40
60 80 100
2
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