MCC
TM
Micro Commercial Components
omponents
20736 Marilla
Chatsworth
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$
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1N4448
Features
Finish/Rohs Compliant (Note1) ("P"Suffix designates
•
Lead Free
•
•
•
•
•
Compliant. See ordering information)
Low Current Leakage
Metalurgically Bonded Construction
Low Cost
Marking : Cathode band and type number
Moisture Sensitivity Level 1
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%
Note:
1. Lead in Glass Exemption Applied, see EU Directive Annex 5.
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
Micro Commercial Components
Figure 2
Forward Derating Curve
TM
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
Revision: A
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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
MilliAmps
MCC
Micro Commercial Components
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
TM
2
Revision: A
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MCC
TM
Micro Commercial Components
Ordering Information :
Device
Part Number-TP
Part Number-AP
Part Number-BP
Packing
Tape&Reel:
10Kpcs/Reel
Ammo Packing: 5Kpcs/Ammo Box
Bulk:
100Kpcs/Carton
***IMPORTANT NOTICE***
Micro Commercial Components Corp.
reserves the right to make changes without further notice to any product herein to
make corrections, modifications , enhancements , improvements , or other changes .
Micro Commercial Components
Corp .
does not assume any liability arising out of the application or use of any product described herein; neither does it
convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all
risks of such use and will agree to hold
Micro Commercial Components Corp .
and all the companies whose products are
represented on our website, harmless against all damages.
***LIFE SUPPORT***
MCC's products are not authorized for use as critical components in life support devices or systems without the express written
approval of Micro Commercial Components Corporation.
***CUSTOMER AWARENESS***
Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking
strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages
customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on
our web page cited
below.
Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine
parts, have full traceability, meet MCC's quality standards for handling and storage.
MCC will not provide any warranty
coverage or other assistance for parts bought from Unauthorized Sources.
MCC is committed to combat this global
problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized
distributors.
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