VS-20UT04, VS-20WT04FN
www.vishay.com
Vishay Semiconductors
High Performance Schottky Generation 5.0, 20 A
FEATURES
• 175 °C high performance Schottky diode
• Very low forward voltage drop
I-PAK (TO-251AA)
D-PAK (TO-252AA)
Base
cathode
4, 2
Base
cathode
4, 2
• Extremely low reverse leakage
• Optimized VF vs. IR trade off for high efficiency
• Increased ruggedness for reverse avalanche
capability
• RBSOA available
1
Anode
3
Anode
VS-20UT04
• Negligible switching losses
3
Anode
1
Anode
• Submicron trench technology
VS-20WT04FN
• Compliant to RoHS Directive 2002/95/EC
PRODUCT SUMMARY
APPLICATIONS
Package
D-PAK (TO-252AA),
I-PAK (TO-251AA)
IF(AV)
20 A
VR
45 V
VF at IF
0.53 V
IRM max.
7 mA at 125 °C
TJ max.
175 °C
Diode variation
Single die
EAS
108 mJ
• Specific for PV cells bypass diode
• High efficiency SMPS
• High frequency switching
• Output rectification
• Reverse battery protection
• Freewheeling
• DC/DC systems
• Increased power density systems
Note
• VF measured at 125 °C, connecting 2 anode pins
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
CHARACTERISTICS
VRRM
VF
20 Apk, TJ = 125 °C
(typical, measured connecting 2 anode pins)
TJ
Range
VALUES
UNITS
45
V
0.480
V
- 55 to 175
°C
VOLTAGE RATINGS
PARAMETER
Maximum DC reverse voltage
Revision: 03-Nov-11
SYMBOL
VR
TEST CONDITIONS
TJ = 25 °C
VS-20UT04
VS-20WT04FN
UNITS
45
V
Document Number: 94573
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
VS-20UT04, VS-20WT04FN
www.vishay.com
Vishay Semiconductors
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
TEST CONDITIONS
IF(AV)
Maximum peak one cycle
non-repetitive surge current
IFSM
UNITS
20
A
Non-repetitive avalanche energy
EAS
TJ = 25 °C, IAS = 7 A, L = 4.4 mH
IAR
Limited by frequency of operation and time pulse duration
so that TJ < TJ max. IAS at TJ max. as a function of time pulse
Following any rated load
condition and with rated
VRRM applied (1)
5 μs sine or 3 μs rect. pulse
10 ms sine or 6 ms rect. pulse
Repetitive avalanche current
VALUES
50 % duty cycle at TC = 153 °C, rectangular waveform
Maximum average forward current
900
A
220
108
mJ
IAS at
TJ max.
A
Note
(1) Measured connecting 2 anode pins
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
TEST CONDITIONS
10 A
Forward voltage drop
VFM
(1)(2)
20 A
10 A
20 A
Reverse leakage current
IRM (1)
TJ = 25 °C
TJ = 125 °C
TJ = 25 °C
TJ = 125 °C
VR = Rated VR
TYP.
MAX.
0.505
0.540
UNITS
0.570
0.610
0.415
0450
0.520
0.580
-
100
μA
-
7
mA
V
Junction capacitance
CT
VR = 5 VDC (test signal range 100 kHz to 1 MHz), 25 °C
1900
-
pF
Series inductance
LS
Measured lead to lead 5 mm from package body
-
-
nH
Rated VR
-
10 000
V/μs
Maximum voltage rate of change
dV/dt
Notes
(1) Pulse width < 300 μs, duty cycle < 2 %
(2) Only 1 anode pin connected
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
Maximum junction and
storage temperature range
SYMBOL
TEST CONDITIONS
TJ, TStg
Maximum thermal resistance,
junction to case
RthJC
Typical thermal resistance,
case to heatsink
RthCS
DC operation
Revision: 03-Nov-11
UNITS
- 55 to 175
°C
1.2
°C/W
0.3
Approximate weight
Marking device
VALUES
2
g
0.07
oz.
Case style I-PAK
20UT04
Case style D-PAK
20WT04FN
Document Number: 94573
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
VS-20UT04, VS-20WT04FN
Vishay Semiconductors
100
100
TJ = 175 °C
IR - Reverse Current (mA)
IF - Instantaneous Forward Current (A)
www.vishay.com
TJ = 175 °C
10
TJ = 125 °C
TJ = 25 °C
10
TJ = 150 °C
TJ = 125 °C
1
TJ = 100 °C
0.1
TJ = 75 °C
0.01
TJ = 50 °C
0.001
TJ = 25 °C
0.0001
1
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
1.6
VFM - Forward Voltage Drop (V)
94573_01
5
10
Fig. 1 - Maximum Forward Voltage Drop Characteristics
15
20
25
30
35
40
45
VR - Reverse Voltage (V)
94573_02
Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage
CT - Junction Capacitance (pF)
10 000
1000
100
0
94573_03
5
10
15
20
25
30
35
40
45
VR - Reverse Voltage (V)
ZthJC - Thermal Impedance (°C/W)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
10
1
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
0.1
Single pulse
(thermal resistance)
0.01
0.00001
94573_04
0.0001
0.001
0.01
0.1
1
t1 - Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
Revision: 03-Nov-11
Document Number: 94573
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
VS-20UT04, VS-20WT04FN
Vishay Semiconductors
180
20
170
Average Power Loss (W)
Allowable Case Temperature (°C)
www.vishay.com
DC
160
150
140
Square wave (D = 0.50)
80 % rated VR applied
130
180°
120°
90°
60°
30°
15
RMS limit
10
5
DC
See note (1)
120
0
0
94573_05
5
10
15
20
25
0
30
IF(AV) - Average Forward Current (A)
94573_06
IFSM - Non-Repetitive Surge Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
5
10
15
20
25
30
IF(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
1000
100
94573_07
10
100
1000
10 000
tp - Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current
Note
(1) Formula used: T = T - (Pd + Pd
C
J
REV) x RthJC;
Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6);
PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated VR
Revision: 03-Nov-11
Document Number: 94573
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
VS-20UT04, VS-20WT04FN
www.vishay.com
Vishay Semiconductors
Avalanche Current (A)
1000
TJ = 25 °C
100
TJ = 125 °C
10
TJ = 175 °C
1
0.1
1
10
100
Rectangular Pulse Duration (μs)
94573_08
Fig. 8 - Reverse Bias Safe Operating Area (Avalanche Current vs. Rectangular Pulse Duration)
1000
Avalanche Energy (mJ)
TJ = 25 °C
TJ = 125 °C
TJ = 175 °C
100
10
1
94573_09
10
100
Rectangular Pulse Duration (μs)
Fig. 9 - Reverse Bias Safe Operating Area (Avalanche Energy vs. Rectangular Pulse Duration)
Revision: 03-Nov-11
Document Number: 94573
5
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
VS-20UT04, VS-20WT04FN
www.vishay.com
Vishay Semiconductors
ORDERING INFORMATION TABLE
Device code
VS-
20
U
T
04
FN
TRL
1
2
3
4
5
6
7
1
-
Vishay Semiconductors product
2
-
Current rating (20 A)
3
-
Package:
U = I-PAK
W = D-PAK
4
-
T = Trench
5
-
Voltage code (45 V)
6
-
TO-252AA (D-PAK)
7
-
D-PAK, I-PAK:
None = Tube (75 pieces)
D-PAK only:
TR = Tape and reel
TRL = Tape and reel (left oriented)
TRR = Tape and reel (right oriented)
LINKS TO RELATED DOCUMENTS
Dimensions
Part marking information
I-PAK (TO-251AA)
www.vishay.com/doc?95024
D-PAK (TO-252AA)
www.vishay.com/doc?95448
I-PAK (TO-251AA)
www.vishay.com/doc?95025
D-PAK (TO-252AA)
www.vishay.com/doc?95059
Packaging information
www.vishay.com/doc?95033
SPICE model
www.vishay.com/doc?95027
Revision: 03-Nov-11
Document Number: 94573
6
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
Outline Dimensions
Vishay Semiconductors
I-PAK - S
DIMENSIONS FOR I-PAK - S in millimeters
E
A
b3
E1
c2
3
1
2
L
L5
L4
H
D
D1
4
b2
e
c
e
SYMBOL
DIMENSIONAL REQUIREMENTS
MIN.
NOM.
MAX.
E
6.40
6.60
6.70
L
3.98
4.13
4.28
L4
0.66
0.76
0.86
L5
1.96
2.16
2.36
D
6.00
6.10
6.20
H
11.05
11.25
11.45
b
0.64
0.76
0.88
b2
0.77
0.84
1.14
b3
5.21
5.34
5.46
b4
0.41
0.51
0.61
e
A
Document Number: 95024
Revision: 24-May-11
b4
b
2.286 BSC
2.20
2.30
2.38
c
0.40
0.50
0.60
c2
0.40
0.50
0.60
D1
5.30
-
-
E1
4.40
-
-
For technical questions within your region, please contact one of the following:
www.vishay.com
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
1
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
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 and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
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
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.
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
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Vishay:
VS-20UT04 VS-20WT04FN
