1N4448W-V
Vishay Semiconductors
Small Signal Fast Switching Diode
Features
• Silicon Epitaxial Planar Diode
• Fast switching diode
• This diode is also available in other case
styles including the DO-35 case with the
type designation 1N4448, the MiniMELF
case with the type designation LL4448,
and the SOT-23 case with the type designation
IMBD4448
• AEC-Q101 qualified
• Compliant to RoHS directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
17431
Mechanical Data
Case:
SOD-123
Weight:
approx. 10.3 mg
Packaging codes/options:
GS18 / 10 k per 13" reel (8 mm tape), 10 k/box
GS08 / 3 k per 7" reel (8 mm tape), 15 k/box
Parts Table
Part
1N4448W-V
Ordering code
1N4448W-V-GS18 or 1N4448W-V-GS08
Type Marking
A3
Remarks
Tape and Reel
Absolute Maximum Ratings
T
amb
= 25 °C, unless otherwise specified
Parameter
Reverse voltage
Peak reverse voltage
Average rectified current half
wave rectification with resistive
load
Surge current
Power dissipation
1)
Test condition
Symbol
V
R
V
RM
Value
75
100
150
1)
500
500
1)
Unit
V
V
mA
mA
mW
f
≥
50 Hz
t < 1 s and T
j
= 25 °C
I
F(AV)
I
FSM
P
tot
Valid provided that electrodes are kept at ambient temperature.
Document Number 85722
Rev. 1.4, 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
1N4448W-V
Vishay Semiconductors
Thermal Characteristics
T
amb
= 25 °C, unless otherwise specified
Parameter
Thermal resistance junction to ambient air
Junction temperature
Storage temperature
1)
Test condition
Symbol
R
thJA
T
j
T
stg
Value
350
1)
150
- 65 to + 150
Unit
K/W
°C
°C
Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
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
Leakage current
Capacitance
Reverse recovery time
Rectification efficiency
V
R
= 75 V
V
R
= 20 V, T
J
= 150 °C
V
F
= V
R
= 0 V
I
F
= 10 mA to I
R
= 10 mA,
V
R
= 6 V, R
L
= 100
Ω
f = 100 MHz, V
RF
= 2 V
t
rr
η½
0.45
Symbol
V
F
V
F
I
R
I
R
I
R
Min.
0.62
Typ.
Max.
0.72
1
25
5
50
4
4
Unit
V
V
nA
µA
µA
pF
ns
Rectification Efficieny Measurement Circuit
60
Ω
V
RF
= 2
V
2 nF
5 kΩ
V
O
17436
www.vishay.com
2
For technical questions within your region, please contact one of the following: Document Number 85722
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Rev. 1.4, 17-Aug-10
1N4448W-V
Vishay Semiconductors
Typical Characteristics
T
amb
= 25
°C
unless otherwise specified
10
3
1.1
10
2
T
j
= 100 °C
T
j
= 25 °C
1.0
T
j
= 25 °C
f = 1 MHz
I
F
(mA)
C
D
(0
V)
10
C
D
(V
R
)
0.9
1
0.8
10
- 1
0.7
10
18105
-2
0
1
2
17440
0
2
4
6
8
10
V
F
(V)
V
R
(V)
Figure 1. Forward characteristics
Figure 4. Relative Capacitance vs. Reverse Voltage
10
4
5
2
T
j
= 25 °C
f = 1 kHz
10
4
5
2
10
3
5
10
3
5
2
R
f
(Ω)
I
R
(nA)
2
10
2
5
2
10
2
5
2
10
5
2
10
5
2
V
R
= 20
V
1
10
17438
-2
10
-1
1
10
10
2
0
17441
100
200
I
F
(mA)
T
j
(°C)
Figure 2. Dynamic Forward Resistance vs. Forward Current
Figure 5. Leakage Current vs. Junction Temperature
mW
1000
900
800
P
tot
700
600
500
400
300
200
100
0
0
100
200 °C
17439
T
amb
Figure 3. Admissible Power Dissipation vs. Ambient Temperature
Document Number 85722
Rev. 1.4, 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
3
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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 in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
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damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
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No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Revision: 12-Mar-12
1
Document Number: 91000
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