Document Number: 93311 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 03-Nov-10 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 1
Schottky Rectifier, 5.5 A
VS-50WQ03FN-M3
Vishay Semiconductors
FEATURES
• Low forward voltage drop
• Guard ring for enhanced ruggedness and long
term reliability
• Halogen-free according to IEC 61249-2-21
definition
• Popular D-PAK outline
• Small foot print, surface mountable
• High frequency operation
• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C
• Compliant to RoHS Directive 2002/95/EC
DESCRIPTION
The VS-50WQ03FN-M3 surface mount Schottky rectifier
has been designed for applications requiring low forward
drop and small foot prints on PC board. Typical applications
are in disk drives, switching power supplies, converters,
freewheeling diodes, battery charging, and reverse battery
protection.
PRODUCT SUMMARY
Package D-PAK (TO-252AA)
IF(AV) 5.5 A
VR30 V
VF at IFSee Electrical table
IRM 58 mA at 125 °C
TJ max. 150 °C
Diode variation Single die
EAS 10 mJ
Anode
13
Base
cathode
Anode
4, 2
D-PAK (TO-252AA)
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
IF(AV) Rectangular waveform 5.5 A
VRRM 30 V
IFSM tp = 5 μs sine 320 A
VF5 Apk, TJ = 125 °C 0.35 V
TJRange - 40 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL VS-50WQ03FN-M3 UNITS
Maximum DC reverse voltage VR30 V
Maximum working peak reverse voltage VRWM
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average forward current
See fig. 5 IF(AV) 50 % duty cycle at TC = 136 °C, rectangular waveform 5.5 A
Maximum peak one cycle
non-repetitive surge current
See fig. 7
IFSM
5 μs sine or 3 μs rect. pulse Following any rated
load condition and with
rated VRRM applied
320
A
10 ms sine or 6 ms rect. pulse 130
Non-repetitive avalanche energy EAS TJ = 25 °C, IAS = 2 A, L = 5 mH 10 mJ
Repetitive avalanche current IAR
Current decaying linearly to zero in 1 μs
Frequency limited by TJ maximum VA = 1.5 x VR typical 2.0 A
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VS-50WQ03FN-M3
Vishay Semiconductors Schottky Rectifier, 5.5 A
Note
(1) Pulse width < 300 μs, duty cycle < 2 %
Note
(1) thermal runaway condition for a diode on its own heatsink
ELECTRICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum forward voltage drop
See fig. 1 VFM (1)
5 A TJ = 25 °C 0.46
V
10 A 0.53
5 A TJ = 125 °C 0.35
10 A 0.46
Maximum reverse leakage current
See fig. 2 IRM (1) TJ = 25 °C VR = Rated VR
3mA
TJ = 125 °C 58
Threshold voltage VF(TO) TJ = TJ maximum 0.19 V
Forward slope resistance rt22.22 m
Typical junction capacitance CTVR = 5 VDC (test signal range 100 kHz to 1 MHz), 25 °C 590 pF
Typical series inductance LSMeasured lead to lead 5 mm from package body 5.0 nH
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction and storage
temperature range TJ (1), TStg - 40 to 150 °C
Maximum thermal resistance,
junction to case RthJC
DC operation
See fig. 4 3.0 °C/W
Approximate weight 0.3 g
0.01 oz.
Marking device Case style D-PAK (similar to TO-252AA) 50WQ03FN
dPtot
dTJ
------------- 1
RthJA
--------------<
Document Number: 93311 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 03-Nov-10 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 3
VS-50WQ03FN-M3
Schottky Rectifier, 5.5 A Vishay Semiconductors
Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
1
100
10
I
F
- Instantaneous Forward Current (A)
V
FM
- Forward Voltage Drop (V)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
0
TJ = 150 °C
TJ = 125 °C
TJ = 25 °C
0.001
1.0
10
100
0.1
0.01
1000
I
R
- Reverse Current (mA)
V
R
- Reverse Voltage (V)
105152025
300
TJ = 150 °C
TJ = 125 °C
TJ = 100 °C
TJ = 75 °C
TJ = 50 °C
TJ = 25 °C
100
1000
C
T
- Junction Capacitance (pF)
V
R
- Reverse Voltage (V)
105 152025 35
30
0
TJ = 25 °C
0.01
0.1
1
10
0.00001 0.0001 0.001 0.01 0.1 1
t1 - Rectangular Pulse Duration (s)
ZthJC - Thermal Impedance (°C/W)
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
Single pulse
(thermal resistance)
PDM
t1
t2
Notes:
1. Duty factor D = t1/t2
2. Peak TJ = PDM x ZthJC + TC
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VS-50WQ03FN-M3
Vishay Semiconductors Schottky Rectifier, 5.5 A
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Maximum Non-Repetitive Surge Current
Note
(1) Formula used: TC = TJ - (Pd + PdREV) 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
120
125
130
135
140
145
150
Allowable Case Temperature (°C)
IF(AV) - Average Forward Current (A)
2134
5678
0
DC
See note (1)
Square wave (D = 0.50)
80 % rated VR applied
0
0.5
1.5
3.0
3.5
2.5
2.0
1.0
Average Power Loss (W)
I
F(AV)
- Average Forward Current (A)
2134 8567
0
DC
RMS limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
100
1000
IFSM - Non-Repetitive Surge Current (A)
tp - Square Wave Pulse Duration (µs)
100 1000 10 000
10
At any rated load condition
and with rated VRRM applied
following surge
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Revision: 03-Nov-10 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 5
VS-50WQ03FN-M3
Schottky Rectifier, 5.5 A Vishay Semiconductors
ORDERING INFORMATION TABLE
ORDERING INFORMATION (Example)
PREFERRED P/N QUANTITY PER T/R MINIMUM ORDER QUANTITY PACKAGING DESCRIPTION
VS-50WQ03FN-M3 75 3000 Antistatic plastic tube
VS-50WQ03FNTR-M3 2000 2000 13" diameter reel
VS-50WQ03FNTRL-M3 3000 3000 13" diameter reel
VS-50WQ03FNTRR-M3 3000 3000 13" diameter reel
LINKS TO RELATED DOCUMENTS
Dimensions www.vishay.com/doc?95016
Part marking information www.vishay.com/doc?95176
Packaging information www.vishay.com/doc?95033
1- Vishay Semiconductors product
2- Current rating (5.5 A)
3- Package identifier:
W = D-PAK
4- Schottky “Q” series
5- Voltage rating (03 = 30 V)
6- FN = TO-252AA (D-PAK)
7- None = Tube
TR = Tape and reel
TRL = Tape and reel (left oriented)
TRR = Tape and reel (right oriented)
- Environmental digit:
-M3 = Halogen-free, RoHS compliant and terminations lead (Pb)-free
8
Device code
51 32 4 6 7 8
VS- 50 W Q 03 FN TRL -M3
Outline Dimensions
www.vishay.com Vishay Semiconductors
Revision: 05-Dec-12 1Document Number: 95016
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
D-PAK (TO-252AA)
DIMENSIONS in millimeters and inches
Notes
(1) Dimensioning and tolerancing as per ASME Y14.5M-1994
(2) Lead dimension uncontrolled in L5
(3) Dimension D1, E1, L3 and b3 establish a minimum mounting surface for thermal pad
(4) Section C - C dimension apply to the flat section of the lead between 0.13 and 0.25 mm (0.005 and 0.10") from the lead tip
(5) Dimension D, and E do not include mold flash. Mold flash shall not exceed 0.127 mm (0.005") per side. These dimensions are measured at
the outermost extremes of the plastic body
(6) Dimension b1 and c1 applied to base metal only
(7) Datum A and B to be determined at datum plane H
(8) Outline conforms to JEDEC outline TO-252AA
SYMBOL MILLIMETERS INCHES NOTES SYMBOL MILLIMETERS INCHES NOTES
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
A 2.18 2.39 0.086 0.094 e 2.29 BSC 0.090 BSC
A1 - 0.13 - 0.005 H 9.40 10.41 0.370 0.410
b 0.64 0.89 0.025 0.035 L 1.40 1.78 0.055 0.070
b2 0.76 1.14 0.030 0.045 L1 2.74 BSC 0.108 REF.
b3 4.95 5.46 0.195 0.215 3 L2 0.51 BSC 0.020 BSC
c 0.46 0.61 0.018 0.024 L3 0.89 1.27 0.035 0.050 3
c2 0.46 0.89 0.018 0.035 L4 - 1.02 - 0.040
D 5.97 6.22 0.235 0.245 5 L5 1.14 1.52 0.045 0.060 2
D1 5.21 - 0.205 - 3 Ø 0° 10° 0° 10°
E 6.35 6.73 0.250 0.265 5 Ø1 0° 15° 0° 15°
E1 4.32 - 0.170 - 3 Ø2 25° 35° 25° 35°
Legal Disclaimer Notice
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Revision: 02-Oct-12 1Document Number: 91000
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“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
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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
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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
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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.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.