1N4448
Vishay Semiconductors
Small Signal Fast Switching Diodes
Features
• Silicon epitaxial planar diodes
• AEC-Q101 qualified
• Compliant to RoHS directive 2002/95/EC
and in accordance to WEEE 2002/96/EC
• Halogen-free according to IEC 61249-2-21
definition
Applications
• Extreme fast switches
94 9367
Mechanical Data
Case:
DO-35
Weight:
approx. 125 mg
Cathode Band Color:
black
Packaging Codes/Options:
TR/10 k per 13" reel (52 mm tape), 50 k/box
TAP/10 k per Ammopack (52 mm tape), 50 k/box
Parts Table
Part
1N4448
Ordering code
1N4448-TAP or 1N4448-TR
Type Marking
V4448
Remarks
Ammopack/tape and reel
Absolute Maximum Ratings
T
amb
= 25 °C, unless otherwise specified
Parameter
Repetitive peak reverse voltage
Reverse voltage
Peak forward surge current
Repetitive peak forward current
Forward continuous current
Average forward current
Power dissipation
V
R
= 0
l = 4 mm, T
L
= 45 °C
l = 4 mm, T
L
≤
25 °C
t
p
= 1 µs
Test condition
Symbol
V
RRM
V
R
I
FSM
I
FRM
I
F
I
FAV
P
tot
P
tot
Value
100
75
2
500
300
150
440
500
Unit
V
V
A
mA
mA
mA
mW
mW
Thermal Characteristics
T
amb
= 25 °C, unless otherwise specified
Parameter
Thermal resistance junction to ambient air
Junction temperature
Storage temperature range
Test condition
l = 4 mm, T
L
= constant
Symbol
R
thJA
T
j
T
stg
Value
350
175
- 65 to + 150
Unit
K/W
°C
°C
Document Number 81858
Rev. 1.1, 17-Aug-10
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
1
1N4448
Vishay Semiconductors
Electrical Characteristics
T
amb
= 25 °C, unless otherwise specified
Parameter
Forward voltage
Test condition
I
F
= 5 mA
I
F
= 100 mA
V
R
= 20 V
Reverse current
V
R
= 20 V, T
j
= 150 °C
V
R
= 75 V
Breakdown voltage
Diode capacitance
Rectification efficiency
Reverse recovery time
I
R
= 100 µA, t
p
/T = 0.01,
t
p
= 0.3 ms
V
R
= 0, f = 1 MHz, V
HF
= 50 mV
V
HF
= 2 V, f = 100 MHz
I
F
= I
R
= 10 mA, i
R
= 1 mA
I
F
= 10 mA, V
R
= 6 V,
i
R
= 0.1 x I
R
, R
L
= 100
Ω
Symbol
V
F
V
F
I
R
I
R
I
R
V
(BR)
C
D
η
r
t
rr
t
rr
45
8
4
100
4
Min.
620
Typ.
Max.
720
1000
25
50
5
Unit
mV
mV
nA
µA
µA
V
pF
%
ns
ns
Typical Characteristics
T
amb
= 25 °C, unless otherwise specified
1.2
1.0
I
F
= 100 mA
1000
V
F
- Forward
Voltage
(V)
I
R
- Reverse Current (nA)
T
j
= 25 °C
100
0.8
10 mA
0.6
0.4
0.1 mA
0.2
0
- 30
1 mA
Scattering Limit
10
1
0
30
60
90
120
94 9098
1
10
V
R
- Reverse
Voltage
(V)
100
94 9169
T
j
- Junction Temperature (°C)
Figure 1. Forward Voltage vs. Junction Temperature
Figure 3. Reverse Current vs. Reverse Voltage
1000
1N4448
I
F
- Forward Current (mA)
100
Scattering Limit
10
1
T
j
= 25 °C
0.1
0
0.4
0.8
1.2
1.6
2.0
94 9171
V
F
- Forward
Voltage
(V)
Figure 2. Forward Current vs. Forward Voltage
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2
For technical questions within your region, please contact one of the following: Document Number 81858
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Rev. 1.1, 17-Aug-10
1N4448
Vishay Semiconductors
Package Dimensions
in millimeters (inches):
DO-35
Cathode identification
0.55. (0.022) max
26 (1.024) min.
3.9 (0.154) max.
26 (1.024) min.
Rev. 6 - Date: 29. January 2007
Document no.: 6.560-5004.02-4
94 9366
Document Number 81858
Rev. 1.1, 17-Aug-10
1.7 (0.067)
For technical questions within your region, please contact one of the following:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
3
1.5 (0.059)
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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