PD-20560 rev. B 10/98
6CWQ03FN
SCHOTTKY RECTIFIER 7 Amp
D-Pak (TO-252AA)
Major Ratings and Characteristics
Characteristics 6CWQ03FN Units
I
Rectangular 7 A
F(AV)
waveform
V
RRM
@ tp = 5 µs sine 535 A
I
FSM
VF@ 3 Apk, TJ = 125°C 0.35 V
(per leg)
TJrange - 40 to 150 °C
6.73 (0.26)
6.35 (0.25)
5.46 (0.21)
5.21 (0.20)
4
1.02 (0.04)
0.64 (0.03)
1.52 (0.06)
1.15 (0.04)
2x
1.14 (0.04)
0.76 (0.03)
2.28 (0.09)
2x
12 3
4.57 (0.18)
1.27 (0.05)
0.88 (0.03)
6.22 (0.24)
5.97 (0.23)
0.89 (0.03)
3x
0.64 (0.02)
30 V
10.42 (0.41)
9.40 (0.37)
Description/Features
The 6CWQ03FN 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.
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
2.38 (0.09)
2.19 (0.08)
1.14 (0.04)
0.89 (0.03)
0.58 (0.02)
0.46 (0.02)
6.45 (0.24)
5.68 (0.22)
0.51 (0.02)
MIN.
0.58 (0.02)
0.46 (0.02)
MINIMUM RECOMMENDED FOOTPRINT
5.97 (0.24)
6.48 (0.26)
2x 2.54 (0.10)
1.65 (0.06)
2X
BASE
COMM ON
CATHODE
2
10.67 (0.42)
2.28 (0.09)
2X
Conform to JEDEC outline D-Pak (Similar to TO-252AA)
Dimensions in millimeters and (inches)
123
COMM ON
ANODE
12
CATHODE
ANODE
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6CWQ03FN
PD-20560 rev. B 10/98
Voltage Ratings
Part number 6CWQ03FN
VRMax. DC Reverse Voltage (V)
Max. Working Peak Reverse Voltage (V)
V
RWM
30
Absolute Maximum Ratings
Parameters 6CWQ... Units Conditions
I
Max. Average Forward (Per Leg) 3.5 A 50% duty cycle @ TC = 134°C, rectangular wave form
F(AV)
Current * See Fig. 5 (Per Device) 7
Max. Peak One Cycle Non-Repetitive 535 5µs Sine or 3µs Rect. pulse
I
FSM
A
Surge Current (Per Leg) * See Fig. 7 90 10ms Sine or 6ms Rect. pulse
Following any rated
load condition and with
rated V
RRM
applied
Electrical Specifications
Parameters 6CWQ... Units Conditions
VFMMax. Forward Voltage Drop 0.45 V @ 3A
(Per Leg) * See Fig. 1 (1 ) 0.52 V @ 6A
0.35 V @ 3A
0.46 V @ 6A
IRMMax. Reverse Leakage Current 2 mA TJ = 25 °C
(Per Leg) * See Fig. 2 (1) 50 mA TJ = 125 °C
V
Threshold Voltage 0.22 V T
F(TO)
= TJ max.
J
rtForward Slope Resistance 32.8 6 mΩ
CTTyp. Junction Capacitance (Per Leg) 290 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C
L
Typical Series Inductance (Per Leg) 5.0 n H Measured lead to lead 5mm from package body
S
dv/dt Max. Voltage Rate of Change 10,000 V/µs
(Rated VR)
(1) Pulse Width < 300µs, Duty Cycle <2%
TJ = 25 °C
TJ = 125 °C
VR = rated V
R
Thermal-Mechanical Specifications
Parameters 6CWQ... Units Conditions
TJMax. Junction Temperature Range -40 to 150 °C
T
Max. Storage Temperature Range -40 to 150 °C
stg
R
Max. Thermal Resistance (Per Leg) 4.70 °C/W DC operation * See Fig. 4
thJC
Junction to Case (Per Device) 2.35
wt Approximate Weight 0.3 (0.01) g (oz.)
Case Style D-Pak Similar to TO-252AA
2
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6CWQ03FN
PD-20560 rev. B 10/98
100
F
10
100
T = 150°C
J
125°C
100°C
75°C
50°C
25°C
5 1015202530
Rever se Voltage - V (V)
R
Re verse Current - I (mA)
10
R
1
0.1
0.01
0.001
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (Per Leg)
1000
T = 150°C
Instantan eous Forward Current - I (A)
J
T = 125°C
J
T = 25°C
J
T
T = 25°C
J
1
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2
Fig. 1 - Max. Forward Voltage Drop Characteristics
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Junction Capacitance - C (pF)
100
0 5 10 15 20 25 30 35
Forward Voltage Drop - V (V)
FM
Rever se Voltage - V (V)
Fig. 3 - Typical Junction Capacitance
(Per Leg)
Vs. Reverse Voltage (Per Leg)
10
D = 0.75
thJC
Thermal Impedance Z (°C/W)
D = 0.50
D = 0.33
D = 0.25
1
D = 0.20
Notes:
Single Pulse
(Thermal Resistance)
0. 1
0.00001 0.0001 0.001 0.01 0.1 1
t , Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance Z
1
thJC
1. Duty factor D = t / t
2. Peak T = P x Z + T
Characteristics (Per Leg)
P
DM
t
1
t
2
1
J
DM
thJC
R
2
C
3
6CWQ03FN
PD-20560 rev. B 10/98
150
140
130
Square wave (D = 0.50)
80% Rated V applied
R
120
Allowa b l e Ca se Temp er ature - (°C)
see note (2)
110
012345
Average Forward Current - I (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
1000
FSM
100
DC
F(AV)
At Any Rated Load Condit ion
And With Ra ted V Appl ied
Following Surge
RRM
2
D = 0.20
D = 0.25
D = 0.33
D = 0.50
1.5
D = 0.75
RMS Limit
1
DC
0.5
Average Power Loss - (Watts)
0
012345
Average Forward Current - I (A)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
F(AV)
(2) Formula used: TC = TJ - (Pd + Pd
Pd = Forward Power Loss = I
Pd
= Inverse Power Loss = VR1 x IR (1 - D); IR @ V
REV
F(AV)
4
Non-Repetitive Surge Current - I (A)
10
10 100 1000 10000
Square Wave Pulse Duration - t (microsec)
p
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
) x R
REV
x VFM @ (I
;
thJC
/ D) (see Fig. 6);
F(AV)
= 80% rated V
R1
R
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Marking Information
EXAMPLE: THIS IS AN 6CWQ03FN
Tape & Reel Information
TR
FEED DIRECTION
4.1 (0.16)
3.9 (0.15)
2.1 (0.83)
1.9 (0.07)
12.1 (0.48)
11.9 (0.47)
INTERNATIONAL
RECTIFIER LOGO
ASSEMBLY
LOT CODE
1.85 (0.07)
1.65 (0.06)
1.85 (0.07)
1.65 (0.06)
DIA.
2.6 (0.10)
1.5 (0.06)
7.6 (0.30)
7.4 (0.29)
DIA.
(K)
6CWQ03FN
9712
5K3A
(A) (A)
0.35 (0.01)
0.25 (0.01)
7.0 (0.28)
6.8 (0.26)
2.75 (0.11)
2.55 (0.10)
6CWQ03FN
PD-20560 rev. B 10/98
PART NUMBER
DATE CODE (YYWW)
YY = YEAR
WW = WEEK
16.3 (0.64)
15.7 (0.62)
375 (14.17)
DIA. MAX.
TRR
FEED DIRECTION
TRL
FEED DIRECTION
13 (0.52) DIA.
4.1 (0.16)
3.9 (0.15)
2.1 (0.83)
1.9 (0.07)
8.1 (0.32)
7.9 (0.31)
4.1 (0.16)
3.9 (0.15)
2.1 (0.83)
1.9 (0.07)
8.1 (0.32)
7.9 (0.31)
1.85 (0.07)
1.65 (0.06)
1.85 (0.07)
1.65 (0.06)
7.6 (0.30)
7.4 (0.29)
2.6 (0.10)
1.5 (0.06)
1.85 (0.07)
1.65 (0.06)
1.85 (0.07)
1.65 (0.06)
7.6 (0.30)
7.4 (0.29)
2.6 (0.10)
1.5 (0.06)
22.4 (0.88)
50 (1.97) DIA.
DIA.
DIA.
0.35 (0.01)
0.25 (0.01)
10.6 (0.42)
10.4 (0.41)
DIA.
DIA.
2.75 (0.11)
2.55 (0.10)
0.35 (0.01)
0.25 (0.01)
10.6 (0.42)
10.4 (0.41)
2.75 (0.11)
2.55 (0.10)
TO-252AA Tape & Reel
When ordering, indicate the part
number, part orientation, and the
quantity. Quantities are in multiples
of 2,000 pieces per reel for TR and
multiples of 3,000 pieces per reel
for both TRL and TRR.
16.3 (0.64)
15.7 (0.62)
16.3 (0.64)
15.7 (0.62)
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5
6CWQ03FN
PD-20560 rev. B 10/98
WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245 U.S.A. Tel: (310) 322 3331. Fax: (310) 322 3332.
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http://www.irf.com Fax-On-Demand: +44 1883 733420 Data and specifications subject to change without notice.
6
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