Document Number: 94247 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 28-Jan-11 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 1
Schottky Rectifier, 2 x 3.5 A
VS-6CWQ03FNPbF
Vishay Semiconductors
FEATURES
• Popular D-PAK outline
• Center tap configuration
• Small foot print, surface mountable
• Low forward voltage drop
• High frequency operation
• Guard ring for enhanced ruggedness and long term
reliability
• Compliant to RoHS Directive 2002/95/EC
• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C
DESCRIPTION
The VS-6CWQ03FNPbF surface mount, center tap,
Schottky rectifier series 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) 2 x 3.5 A
VR30 V
VF at IFSee Electrical table
IRM 50 mA at 125 °C
TJ max. 150 °C
Diode variation Common cathode
EAS 8 mJ
Base
common
cathode
Common
cathode
2
4
13
Anode Anode
D-PAK (TO-252AA)
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
IF(AV) Rectangular waveform 7 A
VRRM 30 V
IFSM tp = 5 μs sine 535 A
VF3 Apk, TJ = 125 °C (per leg) 0.35 V
TJRange - 40 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL VS-6CWQ03FNPbF 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
per leg
IF(AV) 50 % duty cycle at TC = 134 °C, rectangular waveform
3.5
A
per device 7
Maximum peak one cycle
non-repetitive surge current per leg
See fig. 7
IFSM
5 μs sine or 3 μs rect. pulse Following any rated load
condition and with rated
VRRM applied
535
10 ms sine or 6 ms rect. pulse 90
Non-repetitive avalanche energy per leg EAS TJ = 25 °C, IAS = 2 A, L = 4 mH 8 mJ
Repetitive avalanche current per leg IAR
Current decaying linearly to zero in 1 μs
Frequency limited by TJ maximum VA = 1.5 x VR typical 1A
www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 94247
2DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 28-Jan-11
VS-6CWQ03FNPbF
Vishay Semiconductors Schottky Rectifier, 2 x 3.5 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 per leg
See fig. 1
VFM (1)
3 A TJ = 25 °C 0.45
V
6 A 0.52
3 A TJ = 125 °C 0.35
6 A 0.46
Maximum reverse
leakage current per leg
See fig. 2
IRM (1)
TJ = 25 °C
VR = Rated VR
2
mA
TJ = 125 °C 50
Threshold voltage VF(TO) TJ = TJ maximum 0.22 V
Forward slope resistance rt32.86 m
Typical junction capacitance per leg CTVR = 5 VDC, (test signal range 100 kHz to 1 MHz), 25 °C 290 pF
Typical series inductance per leg LSMeasured lead to lead 5 mm from package body 5.0 nH
Maximum voltage rate of change dV/dt Rated VR10 000 V/μs
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
per leg RthJC
DC operation
See fig. 4
4.7 °C/W
per device 2.35
Approximate weight 0.3 g
0.01 oz.
Marking device Case style D-PAK (similar to TO-252AA) 6CWQ03FN
dPtot
dTJ
------------- 1
RthJA
--------------<
Document Number: 94247 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 28-Jan-11 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 3
VS-6CWQ03FNPbF
Schottky Rectifier, 2 x 3.5 A Vishay Semiconductors
Fig. 1 - Maximum Forward Voltage Drop Characteristics (Per Leg) Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage (Per Leg)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg)
1
100
10
I
F
- Instantaneous
Forward Current (A)
V
FM
- Forward Voltage Drop (V)
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
0.2
TJ = 150 °C
TJ = 125 °C
TJ = 25 °C
0.001
1.0
10
100
0.1
0.01
IR - Reverse Current (mA)
VR - Reverse Voltage (V)
10515202530
TJ = 150 °C
TJ = 125 °C
TJ = 100 °C
TJ = 75 °C
TJ = 50 °C
TJ = 25 °C
100
1000
CT - Junction Capacitance (pF)
VR - Reverse Voltage (V)
105 152025 35
30
0
TJ = 25 °C
0.1
1
10
0.00001 0.0001 0.001 0.01 0.1
t1 - Rectangular Pulse Duration (s)
ZthJC - Thermal Impedance (°C/W)
1.0
PDM
t1
t2
Notes:
1. Duty factor D = t1/t2
2. Peak TJ = PDM x ZthJC + TC
Single pulse
(thermal resistance)
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 94247
4DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 28-Jan-11
VS-6CWQ03FNPbF
Vishay Semiconductors Schottky Rectifier, 2 x 3.5 A
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
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
110
120
130
140
150
Allowable Case Temperature (°C)
IF(AV) - Average Forward Current (A)
2134
5
0
DC
See note (1)
Square wave (D = 0.50)
80 % rated VR applied
0
0.5
1.5
2.0
1.0
Average Power Loss (W)
I
F(AV)
- Average Forward Current (A)
2
1345
0
DC
RMS limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
10
10 000
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
100
Document Number: 94247 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 28-Jan-11 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 5
VS-6CWQ03FNPbF
Schottky Rectifier, 2 x 3.5 A Vishay Semiconductors
ORDERING INFORMATION TABLE
LINKS TO RELATED DOCUMENTS
Dimensions www.vishay.com/doc?95016
Part marking information www.vishay.com/doc?95059
Packaging information www.vishay.com/doc?95033
SPICE model www.vishay.com/doc?95437
2- Current rating (7 A)
1- Vishay Semiconductors product
3- Center tap configuration-
4
4- Package identifier:
W = D-PAK
5- Schottky “Q” series
6- Voltage rating (03 = 30 V)
7- FN = TO-252AA (D-PAK)
8- None = Tube (50 pieces)
TR = Tape and reel
TRL = Tape and reel (left oriented)
TRR = Tape and reel (right oriented)
- PbF = Lead (Pb)-free
9
Device code
51 32 4 6 7 8 9
6VS- C W Q 03 FN TRL PbF
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°
Ø 1
E
(5)
b3 (3) 0.010 CAB
L3 (3)
B
AC
H
C
L2
D (5)
L4
b
2 x e
b2
(2) L5
123
4
Ø 2
A
c2 A
A
H
Seating
plane
c
Detail “C”
(7)
Seating
plane
A1
Detail “C”
Rotated 90 °CW
Scale: 20:1
(L1)
C
C
L
Ø
Gauge
plane
Lead tip
M
0.010 CAB
M
32
4
1
E1
D1
MIN.
0.265
(6.74)
MIN.
0.245
(6.23)
MIN.
0.089
(2.28)
MIN.
0.06
(1.524)
0.488 (12.40)
0.409 (10.40)
0.093 (2.38)
0.085 (2.18)
Pad layout
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 13-Jun-16 1Document Number: 91000
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.
