1N4448
500mW 100Volt
Switching Diode
DO-35
Features
• Low Current Leakage
• Metalurgically Bonded Construction
• Low Cost
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A--- .166 --- 4.2
B--- .079 --- 2.00
C--- .020 --- .52
D1.000 --- 25.40 ---
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 VR75V
Peak Reverse
Voltage VRM 100V
Average Rectified
Current IO
150mA Resistive Load
f >= 50Hz
Power Dissipation PTOT 500mW
Junction
Temperature TJ
150 °C
Peak Forward Surge
Current IFSM
500mA t<1s
Instantaneous
Forward Voltage VF
1.0V(MAX) IFM = 100mA;
0.62-0.72V I FM = 5.0mA
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR
25nA
50µA
VR=20Volts
TJ = 25°C
TJ = 150°C
Typical Junction
Capacitance CJ4pF Measured at
1.0MHz, VR=4.0V
Reverse Recovery
Time Trr 4nS IF=10mA
VR = 6V
RL=100Ω
*Pulse test: Pulse width 300 µsec, Duty cycle 2%
A
B
C
D
D
Cathode
Mark
5uA VR=75Volts
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20736 Marilla Chatsworth
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MCC
Revision: C 2013/02/18
TM
Micro Commercial Components
• Marking : Cathode band and type number
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• Lead Free Finish/Rohs Compliant (Note1) ("P"Suffix designates
Compliant. See ordering information)
• Moisture Sensitivity Level 1
Note: 1. Lead in Glass Exemption Applied, see EU Directive Annex 7(C)-I.
1N4448
Admissable Power Dissipation - MilliWatts versus
Ambient Temperature - °C
Figure 2
Forward Derating Curve
017550 75 100 125
0
100
200
300
Single Phase, Half Wave
60Hz Resistive or Inductive Load
MilliWatts
°C
150
400
500
600
Junction Capacitance - pF versus
Reverse Voltage - Volts
Figure 3
Junction Capacitance
.1 .2 1.4 2 10 20 404 100 200
.1
.2
.6
1
2
10
pF
Volts
6
4
.4
400 1000
TJ=25°C
MCC
Revision: C 2013/02/18
TM
Micro Commercial Components
www.mccsemi.com
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Instantaneous Forward Current - MilliAmperes versus
Instantaneous Forward Voltage - Volts
Figure 1
Typical Forward Characteristics
MilliAmps
Volts
1N4448
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
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
MCC
Revision: C 2013/02/18
TM
Micro Commercial Components
www.mccsemi.com
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MCC
www.mccsemi .com
Revision: C 2013/02/18
TM
Micro Commercial Components
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Device Packing
Part Number-TP Tape&Reel: 10Kpcs/Reel
Part Number-AP Ammo Packing: 5Kpcs/Ammo Box
Part Number-BP Bulk: 100Kpcs/Carton
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make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components
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Ordering Information :