PD-20524 rev. B 10/98
T
50WQ04FN
SCHOTTKY RECTIFIER 5.5 Amp
D-Pak (TO-252AA)
Major Ratings and Characteristics
Characteristics 50WQ04FN Units
I
Rectangular 5.5 A
F(AV)
waveform
V
RRM
I
@ tp = 5 µs sine 340 A
FSM
@ 5 Apk, TJ = 125°C 0.44 V
V
F
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
123
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)
40 V
10.42 (0.41)
9.40 (0.37)
Description/Features
The 50WQ04FN 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, free-wheeling diodes,
battery charging, and reverse battery protection.
Popular D-PAK outline
Small foot print, surface moutable
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 FOOTPRIN
5.97 (0.24)
6.48 (0.26)
2x 2.54 (0.10)
1.65 (0.06)
2X
Cathode
BASE
10.67 (0.42)
2.28 (0.09)
2X
2
Conform to JEDEC outline D-Pak (Similar to TO-252AA)
Dimensions in millimeters and (inches)
1 3
Anode Anode
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50WQ04FN
PD-20524 rev. B 10/98
Voltage Ratings
Part number 50WQ04FN
VRMax. DC Reverse Voltage (V)
V
Max. Working Peak Reverse Voltage (V)
RWM
40
Absolute Maximum Ratings
Parameters 50WQ04FN Units Conditions
I
Max. Average Forward Current 5.5 A 50% duty cycle @ TC = 135 °C, rectangular wave form
F(AV)
* See Fig. 5
I
Max. Peak One Cycle Non-Repetitive 340 5µs Sine or 3µs Rect. pulse
FSM
Surge Current * See Fig. 7 70 10ms Sine or 6ms Rect. pulse
A
Following any rated
load condition and
with rated V
RRM
applied
Electrical Specifications
Parameters 50WQ04FN Units Conditions
VFMMax. Forward Voltage Drop 0.51 V @ 5A
* See Fig. 1 (1 ) 0.63 V @ 10A
0.44 V @ 5A
0.59 V @ 10A
IRMMax. Reverse Leakage Current 3 mA TJ = 25 °C
* See Fig. 2 (1 ) 40 mA T
V
Threshold Voltage 0.27 V T
F(TO)
= 125 °C
J
= TJ max.
J
rtForward Slope Resistance 26.77 mΩ
CTTypical Junction Capacitance 405 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C
LSTypical Series Inductance 5.0 n H Measured lead to lead 5mm from package body
(1) Pulse Width < 300µs, Duty Cycle < 2%
TJ = 25 °C
T
= 125 °C
J
V
= rated V
R
R
Thermal-Mechanical Specifications
Parameters 50WQ04FN Units Conditions
TJMax. Junction Temperature Range -40 to 150 °C
Max. Storage Temperature Range -40 to 150 °C
T
stg
R
Max. Thermal Resistance Junction 3.0 °C/W DC operation * See Fig. 4
thJC
to Case
wt Approximate Weight 0.3 (0.01) g (oz.)
Case Style D - PAK Similar to TO-252AA
2
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50WQ04FN
PD-20524 rev. B 10/98
100
F
T = 150°C
J
T = 125°C
J
10
T = 25°C
J
100
T = 150°C
J
125°C
100°C
1
75°C
50°C
25°C
0 5 10 15 20 25 30 35 40
Reverse Current - I (mA)
10
R
0.1
0.01
0. 001
Reverse V olt age - V (V)
Fig. 2 - Typical Values of Reverse Current
R
Vs. Reverse Voltage
1000
Instantaneous Forward Current - I (A)
T
T = 25°C
J
1
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2
Forward Voltage Dr op - V (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
10
D = 0.75
D = 0.50
D = 0.33
1
thJC
D = 0.25
D = 0.20
0.1
Single Pulse
Thermal Impedance Z (°C/W)
0.01
0.00001 0.0001 0.001 0.01 0.1 1
(Thermal Resistance)
t , Rectangular Pulse Duration (Seconds)
1
Fig. 4 - Maximum Thermal Impedance Z
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FM
Junction Capacitance - C (pF)
100
0 5 10 15 20 25 30 35 40 45
Reverse Voltage - V (V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
P
DM
t
1
t
DM
2
1
thJC
Notes:
1. Duty factor D = t / t
2. Peak T = P x Z + T
J
Characteristics
thJC
R
2
C
3
50WQ04FN
PD-20524 rev. B 10/98
155
150
145
DC
140
135
Square wave (D = 0.50)
80% Rated V applied
130
125
Allowable Case Temperature - (°C)
see note (2)
120
012345678
R
Average Forward Current - I (A)
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
1000
FSM
100
F(AV)
4
D = 0.20
3.5
2.5
D = 0.25
D = 0.33
D = 0.50
3
D = 0.75
RMS Limit
2
1.5
1
Average Po wer Loss - (Watts)
0.5
0
012345678
Average Forward Current - I (A)
Fig. 6 - Forward Power Loss Characteristics
DC
F(AV)
(2) Formula used: TC = TJ - (Pd + Pd
Pd = Forward Power Loss = I
= Inverse Power Loss = VR1 x IR (1 - D); IR @ V
Pd
REV
F(AV)
4
At Any Rated Load Condit ion
And With Ra ted V Applie d
Following Surge
Non-Repetitive Surge Current - I (A)
10
10 100 1000 10000
RRM
Squa re Wav e Pu l s e Du rat io n - t (micr osec)
Fig. 7 - Maximum Non-Repetitive Surge Current
) x R
REV
x VFM @ (I
;
thJC
/ D) (see Fig. 6);
F(AV)
= 80% rated V
R1
R
p
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Marking Information
EXAMPLE: THIS IS AN 50WQ04FN
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)
50WQ04FN
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)
50WQ04FN
PD-20524 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
50WQ04FN
PD-20524 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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