Document Number: 94132 For technical questions, contact: diodestech@vishay.com www.vishay.com
Revision: 08-Jul-09 1
Schottky Rectifier,
2 x 6 A
12CWQ03FNPbF
Vishay High Power Products
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
• AEC-Q101 qualified
DESCRIPTION
The 12CWQ03FNPbF 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
IF(AV) 2 x 6 A
VR30 V
D-PAK
Base
common
cathode
Common
cathode
2
4
13
Anode Anode
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL CHARACTERISTICS VALUES UNITS
IF(AV) Rectangular waveform 12 A
VRRM 30 V
IFSM tp = 5 µs sine 320 A
VF6 Apk, TJ = 125 °C (per leg) 0.37 V
TJRange - 55 to 150 °C
VOLTAGE RATINGS
PARAMETER SYMBOL 12CWQ03FNPbF 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 = 135 °C, rectangular waveform
6
A
per device 12
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
320
A
10 ms sine or 6 ms rect. pulse 130
Non-repetitive avalanche energy per leg EAS TJ = 25 °C, IAS = 2.0 A, L = 5 mH 10 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 2.0 A
www.vishay.com For technical questions, contact: diodestech@vishay.com Document Number: 94132
2Revision: 08-Jul-09
12CWQ03FNPbF
Vishay High Power Products Schottky Rectifier,
2 x 6 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)
6 A TJ = 25 °C 0.47
V
12 A 0.55
6 A TJ = 125 °C 0.37
12 A 0.49
Maximum reverse
leakage current per leg
See fig. 2
IRM (1)
TJ = 25 °C
VR = Rated VR
3
mA
TJ = 125 °C 58
Threshold voltage VF(TO) TJ = TJ maximum 0.196 V
Forward slope resistance rt21.66 mΩ
Typical junction capacitance per leg CTVR = 5 VDC (test signal range 100 kHz to 1 MHz), 25 °C 590 pF
Typical series inductance per leg 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 - 55 to 150 °C
Maximum thermal resistance,
junction to case
per leg RthJC
DC operation
See fig. 4
3.0 °C/W
per device 1.5
Approximate weight 0.3 g
0.01 oz.
Marking device Case style D-PAK (similar to TO-252AA) 12CWQ03FN
dPtot
dTJ
------------- 1
RthJA
--------------<
Document Number: 94132 For technical questions, contact: diodestech@vishay.com www.vishay.com
Revision: 08-Jul-09 3
12CWQ03FNPbF
Schottky Rectifier,
2 x 6 A Vishay High Power Products
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
10
100
IF - Instantaneous Forward
Current (A)
VFM - Forward Voltage Drop (V)
0.4 0.81.2 1.6
1.41.00.6
0.2
TJ = 150 °C
TJ = 125 °C
TJ = 25 °C
01.8
I
R
- Reverse Current (mA)
V
R
- Reverse Voltage (V)
0102030
0.01
0.1
1
10
100
5
0.001
2515
TJ = 150 °C
TJ = 125 °C
TJ = 100 °C
TJ = 75 °C
TJ = 50 °C
TJ = 25 °C
1000
CT - Junction Capacitance (pF)
VR - Reverse Voltage (V)
0203035
100
1000
10
TJ = 25 °C
51525
ZthJC - Thermal Impedance (°C/W)
0.01
0.1
1
10
t1 - Rectangular Pulse Duration (s)
0.00001 0.0001 0.001 0.01 0.1 1
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, contact: diodestech@vishay.com Document Number: 94132
4Revision: 08-Jul-09
12CWQ03FNPbF
Vishay High Power Products Schottky Rectifier,
2 x 6 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
Allowable Case Temperature (°C)
IF(AV) - Average Forward Current (A)
0894
120
125
130
135
145
150
26
Square wave (D = 0.50)
80 % rated VR applied
See note (1)
DC
140
1357
0
Average Power Loss (W)
IF(AV) - Average Forward Current (A)
046 9
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
28
DC
RMS limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
1357
I
FSM
- Non-Repetitive Surge Current (A)
t
p
- Square Wave Pulse Duration (µs)
100
1000
10 100 1000 10 000
At any rated load condition
and with rated V applied
following surge RRM
Document Number: 94132 For technical questions, contact: diodestech@vishay.com www.vishay.com
Revision: 08-Jul-09 5
12CWQ03FNPbF
Schottky Rectifier,
2 x 6 A Vishay High Power Products
ORDERING INFORMATION TABLE
1- Current rating (12 A)
2- Center tap configuration-
4
3- Package identifier:
W = D-PAK
4- Schottky “Q” series
5- Voltage rating (03 = 30 V)
6- FN = TO-252AA
7- None = Tube (50 pieces)
TR = Tape and reel
TRL = Tape and reel (left oriented)
TRR = Tape and reel (right oriented)
- PbF = Lead (Pb)-free
8
Device code
51324678
12 C W Q 03 FN TRL PbF
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
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
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Vishay
All product specifications and data are subject to change without notice.
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(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
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.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
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applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
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