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Bulletin PD-20524 rev. F 06/04
50WQ04FN
SCHOTTKY RECTIFIER 5.5 Amp
IF(AV) = 5.5Amp VR = 40V
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 s sine VF TJ @ 5 Apk, TJ = 125C range
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
50WQ04FN Units
5.5 40 550 0.44 - 40 to 150 A V A V C
Case Styles 50WQ04FN
Base Cathode
4, 2
1
Anode
Anode
3
D-PAK
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1
50WQ04FN
Bulletin PD-20524 rev. F 06/04
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) 40 VRWM Max. Working Peak Reverse Voltage (V)
50WQ04FN
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 Non-Repetitive Avalanche Energy Repetitive Avalanche Current 550 90 9 1.2 A mJ A 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied
50WQ...
5.5
Units
A
Conditions
50% duty cycle @ TC = 135C, rectangular wave form
TJ = 25 C, IAS = 1.5 Amps, L = 8 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
VFM Max. Forward Voltage Drop * See Fig. 1 (1)
50WQ...
0.51 0.63 0.44 0.59
Units
V V V V mA mA V
m
Conditions
@ @ 5A 5A @ 10A @ 10A TJ = 25 C TJ = 125 C
TJ = TJ max.
TJ = 25 C TJ = 125 C VR = rated VR
IRM
Max. Reverse Leakage Current * See Fig. 2 (1)
3 40 0.27 26.77 405 5.0
VF(TO) Threshold Voltage rt CT LS Forward Slope Resistance Typical Junction Capacitance Typical Series Inductance
pF nH
VR = 5VDC (test signal range 100Khz to 1Mhz) 25 C Measured lead to lead 5mm from package body
(1) Pulse Width < 300s, Duty Cycle < 2%
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Storage Temperature Range
50WQ... Units
C C -40 to 150 3.0
Conditions
Max. Junction Temperature Range (*) -40 to 150
RthJC Max. Thermal Resistance Junction to Case wt Approximate Weight Case Style Device Marking
(*) dPtot dTj < 1 Rth( j-a)
C/W DC operation
* See Fig. 4
0.3 (0.01) g (oz.) D-Pak 50WQ04FN Similar to TO-252AA
thermal runaway condition for a diode on its own heatsink
2
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50WQ04FN
Bulletin PD-20524 rev. F 06/04
100
100 TJ = 150C Reverse Current - I R (mA) 10 125C 100C 1 75C 50C
0.1
Ins tantaneous Forward Current - I F (A)
0.01
25C
TJ = 150C TJ = 125C 10 TJ = 25C
0.001
0
5
10
15
20
25
30
35
40
Revers Voltage - V R (V) e
Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage
1000 Junction Capacitance - C T (pF)
TJ = 25C
1
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
2.2
100
0
5
10
15 20 25 30 35 40 45
Forward Voltage Drop - VFM (V)
Revers Voltage - V R(V) e
Fig. 1 - Maximum Forward Voltage Drop Characteristics
10 T hermal Impedance Z thJC (C/ W)
Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
1
D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20
P DM
0.1 Notes: S ingle Pulse (T hermal Resistance) 0.01 0.00001 0.0001 0.001 0.01
t1 t2
1. Duty fac tor D = t 1/ t 2 2. Peak T = P x Z thJC+ TC J DM 0.1 1
t 1 , Rectangular Pulse Duration (S econds)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
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3
50WQ04FN
Bulletin PD-20524 rev. F 06/04
155 Allowable Case T emperature - (C)
4 Average Power Loss - (Wat ts) 3.5 3 2.5 2 1.5 1 0.5 0 0 1 2 3 4 5 6 7 8 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMSLimit DC
150 145 140 135 130 125
see note (2)
DC
S quare wave (D = 0.50) 80% Rated V R applied
120
0
1
2
3
4
5
6
7
8
Average Forward Current - I F(AV) (A)
Average Forward Current - I F(AV) (A)
Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
Non-Repetitive Surge Current - I FSM (A)
1000
100
At Any Rated Load Condition And With Rated Vrrm Applied Following Surge
10 10
100
1000
10000
Square Wave Pulse Duration - t p (microsec) Fig. 7 - Maximum Non-Repetitive Surge Current
(2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR
4
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50WQ04FN
Bulletin PD-20524 rev. F 06/04
Outline Table
2.38 (0.09) 6.73 (0.26) 6.35 (0.25) 5.46 (0.21) 5.21 (0.20)
4
2.19 (0.08) 1.27 (0.05) 0.88 (0.03)
1.14 (0.04) 0.89 (0.03) 0.58 (0.02) 0.46 (0.02)
MINIMUM RECOMMENDED FOOTPRINT 5.97 (0.24)
6.45 (0.24) 6.22 (0.24) 1.64 (0.02)
1 2 3
5.68 (0.22) 10.42 (0.41) 9.40 (0.37) 0.51 (0.02) MIN.
6.48 (0.26) 10.67 (0.42)
5.97 (0.23)
1.52 (0.06) 1.15 (0.04) 2x 1.14 (0.04) 0.76 (0.03) 2.28 (0.09) 2x 4.57 (0.18) 3x 0.89 (0.03) 0.64 (0.02) 1 2 3 4 - Anode - Cathode - Anode - Cathode
2x 2.54 (0.10) 1.65 (0.06) 2x 2.28 (0.09) 2x
0.58 (0.02) 0.46 (0.02)
Base Cathode
4, 2
Modified JEDEC outline TO-262AA Dimensions in millimeters and (inches)
1
Anode
Anode
3
Marking Information
THIS IS A 50WQ04FN WITH LOT CODE 5K3A ASSEMBLED ON WW 12, 2000 IN ASSEMBLY LINE "A" INTERNATIONAL RECTIFIER LOGO ASSEMBLY LOT CODE PART NUMBER
50WQ04FN
DATE CODE YEAR 0 = 2000 WEEK 12 LINE A
Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. Qualification Standards can be found on IR's Web site.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7309 Visit us at www.irf.com for sales contact information. 06/04
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