1N4448WS
www.vishay.com
Vishay Semiconductors
Small Signal Fast Switching Diode
FEATURES
• Silicon epitaxial planar diode
• Fast switching diodes
• AEC-Q101 qualified available
• Base P/N-E3 - RoHS-compliant, commercial
grade
• Base P/N-HE3 - RoHS-compliant, AEC-Q101 qualified
DESIGN SUPPORT TOOLS
click logo to get started
Models
Available
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
MECHANICAL DATA
Case:
SOD-323
Weight:
approx. 4.3 mg
Packaging codes / options:
18/10K per 13" reel (8 mm tape), 10K/box
08/3K per 7" reel (8 mm tape), 15K/box
PARTS TABLE
PART
1N4448WS
ORDERING CODE
1N4448WS-E3-08 or 1N4448WS-E3-18
1N4448WS-HE3-08 or 1N4448WS-HE3-18
CIRCUIT CONFIGURATION
Single
TYPE MARKING
A3
REMARKS
Tape and reel
ABSOLUTE MAXIMUM RATINGS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Reverse voltage
Repetitive peak reverse voltage
Average rectified current half wave rectification
with resistive load
(1)
Surge forward current
Power dissipation
(1)
TEST CONDITION
SYMBOL
V
R
V
RRM
VALUE
75
100
150
350
200
UNIT
V
V
mA
mA
mW
f
≥
50 Hz
t < 1 s and T
j
= 25 °C
I
F(AV)
I
FSM
P
tot
THERMAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Thermal resistance junction to ambient air
Junction temperature
Storage temperature range
Operating temperature range
Note
(1)
Valid provided that electrodes are kept at ambient temperature
(1)
TEST CONDITION
SYMBOL
R
thJA
T
j
T
stg
T
op
VALUE
650
150
-65 to +150
-55 to +150
UNIT
K/W
°C
°C
°C
Rev. 1.5, 07-Jul-17
Document Number: 81387
1
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
1N4448WS
www.vishay.com
Vishay Semiconductors
TEST CONDITION
I
F
= 100 mA
I
F
= 5 mA
V
R
= 20 V
V
R
= 75 V
V
R
= 20 V, T
j
= 150 °C
V
F
= V
R
= 0 V
SYMBOL
V
F
V
F
I
R
I
R
I
R
C
D
t
rr
0.620
MIN.
TYP.
MAX.
1
0.720
25
5
50
4
4
UNIT
V
V
nA
μA
μA
pF
ns
ELECTRICAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Forward voltage
Leakage current
Diode capacitance
Reverse recovery time
I
F
= 10 mA, i
R
= 1 mA, V
R
= 6 V,
R
L
= 100
Ω
TYPICAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
10
3
250
P
tot
- Power Dissipation (mW)
10
2
T
j
= 100 °C
T
j
= 25 °C
200
I
F
(mA)
10
150
1
100
10
- 1
50
10
- 2
0
18105
0
1
2
20324
0
50
100
150
200
V
F
(V)
Fig. 1 - Forward Characteristics
T
amb
- Ambient Temperature (°C)
Fig. 3 - Admissible Power Dissipation vs. Ambient Temperature
10
4
5
2
T
j
= 25 °C
f = 1 kHz
1.1
T
j
= 25 °C
f = 1 MHz
10
3
5
2
1.0
R
f
(Ω)
C
D
(0 V)
C
D
(V
R
)
10
2
5
2
0.9
0.8
10
5
2
0.7
0
17440
10
-2
17438
10
-1
1
10
10
2
2
4
6
8
10
I
F
(mA)
V
R
(V)
Fig. 2 - Dynamic Forward Resistance vs. Forward Current
Fig. 4 - Relative Capacitance vs. Reverse Voltage
Rev. 1.5, 07-Jul-17
Document Number: 81387
2
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
1N4448WS
www.vishay.com
Vishay Semiconductors
10
4
5
2
10
3
5
2
I
R
(nA)
10
2
5
2
10
5
2
V
R
= 20 V
1
0
17441
100
200
T
j
(°C)
Fig. 5 - Leakage Current vs. Junction Temperature
100
5
4
3
2
I
n
= t
P
/T
I
FRM
t
P
T
T = 1/f
P
10
I
FRM
(A)
n
=0
0.1
0.2
0.5
5
4
3
2
t
1
5
4
3
2
0.1
10
-5
17442
2
5
10
-4
2
5
10
-3
2
5
10
-2
2
5
10
-1
2
5
1
2
5
10
t
P
(s)
Fig. 6 - Admissible Repetitive Peak Forward Current vs. Pulse Duration
Rev. 1.5, 07-Jul-17
Document Number: 81387
3
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
1N4448WS
www.vishay.com
PACKAGE DIMENSIONS
in millimeters (inches):
SOD-323
1.15 [0.045]
0.8 [0.031]
0.2 [0.008]
0.1 [0.004] max.
1.1 [0.043]
Vishay Semiconductors
0.15 [0.006]
0.25 [0.010]
1.95 [0.077]
Cathode bar
1.60 [0.063]
0.40 [0.016]
0.20 [0.008]
2.85 [0.112]
2.50 [0.098]
Footprint recommendation:
0.8 [0.031]
1.5 [0.059]
0° - 8°
0.40 [0.016]
0.10 [0.004]
0.8 [0.031]
1.6 [0.063]
Document no.:
S8-V-3910.02-001
(4)
Created - Date: 24.August.2004
Rev. 6 - Date: 23.Sept.2016
17443
Rev. 1.5, 07-Jul-17
Document Number: 81387
4
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
0.6 [0.024]
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
purpose, non-infringement and merchantability.
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.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
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. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
Talking
京公网安备 11010802033920号
EEWORLD
