Thermal Characteristics
Electrical Characteristics
Maximum Ratings
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
Non-Repetitive Peak Forward Surge Current
Power Dissipation (Note 1)
Derate Above 25°C
Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Maximum Forward Voltage
Maximum Peak Reverse Current
Total Capacitance
Reverse Recovery Time
Features
•
•
•
•
Notes:
1N4148 / 1N4448
Document number: DS12019 Rev. 7 - 2
Fast Switching Speed
General Purpose Rectification
Silicon Epitaxial Planar Construction
Lead Free Finish, RoHS Compliant (Note 2)
1. Valid provided that device terminals are kept at ambient temperature.
2. EC Directive 2002/95/EC (RoHS) revision 13.2.2003. Glass and high temperature solder exemptions applied where applicable,
see EU Directive Annex Notes 5 and 7.
Characteristic
Characteristic
Characteristic
@T
A
= 25°C unless otherwise specified
@T
A
= 25°C unless otherwise specified
@ t = 1.0s
@ t = 1.0μs
1N4148
1N4448
1N4448
Symbol
www.diodes.com
V
I
C
RM
t
FM
rr
T
1 of 2
T
Symbol
Symbol
V
J
V
V
R(RMS)
R
V
I
, T
Mechanical Data
RWM
I
FSM
P
V
RRM
FM
I
RM
θ JA
•
•
•
•
•
•
•
•
•
O
R
D
0.62
Min
STG
⎯
⎯
⎯
⎯
⎯
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Case: DO-35
Case Material: Glass
Moisture Sensitivity: Level 1 per J-STD-020D
Leads: Solderable per MIL-STD-202, Method 208
Terminals: Finish ⎯ Sn96.5Ag3.5. Solderable per MIL-STD-
202, Method 208
Polarity: Cathode Band
Marking: Type Number
Ordering Information: See Page 2
Weight: 0.13 grams (approximate)
Max
0.72
1.0
1.0
5.0
4.0
4.0
50
30
25
1N4148
300
-65 to +175
Unit
Value
1.68
μA
μA
μA
nA
pF
ns
100
150
500
300
V
1.0
2.0
75
53
FAST SWITCHING DIODE
1N4448
I
I
I
V
V
V
V
V
I
V
F
F
F
F
R
R
R
R
R
R
500
= 10mA
= 5.0mA
= 100mA
= 10mA to I
= 6.0V, R
= 75V
= 70V, T
= 20V, T
= 20V
= 0, f = 1.0MHz
1N4148 / 1N4448
Test Condition
J
J
L
= 150°C
= 150°C
R
= 100Ω
=1.0mA
© Diodes Incorporated
mW/°C
°C/W
Unit
Unit
mW
mA
mA
March 2008
°C
V
V
V
A