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Bulletin PD-20524 rev. E 03/03
50WQ04FN
SCHOTTKY RECTIFIER 5.5 Amp
D-Pak (TO-252AA)
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 s sine VF TJ @ 5 Apk, TJ = 125C range 40 340 0.44 - 40 to 150 V A V C
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 A
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)
1.14 (0.04) 0.89 (0.03) 0.58 (0.02) 0.46 (0.02)
MINIMUM RECOMMENDED FOOTPRINT 5.97 (0.24)
1.27 (0.05) 0.88 (0.03)
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) 1 2 3 4 - Anode - Cathode - Anode - Cathode 3x 0.89 (0.03) 0.64 (0.02)
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
Conform to JEDEC outline D-Pak (Similar to TO-252AA) Dimensions in millimeters and (inches)
1
3
Anode
Anode
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1
50WQ04FN
Bulletin PD-20524 rev. E 03/03
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 340 70 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
50WQ...
Units
C C C/W DC operation g (oz.)
Conditions
Max. Junction Temperature Range (*) -40 to 150 Max. Storage Temperature Range -40 to 150 3.0 0.3 (0.01) D - PAK
RthJC Max. Thermal Resistance Junction to Case wt Approximate Weight Case Style
(*) dPtot dTj <
* See Fig. 4
Similar to TO-252AA
1 thermal runaway condition for a diode on its own heatsink Rth( j-a)
2
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50WQ04FN
Bulletin PD-20524 rev. E 03/03
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 Forward Voltage Drop - VFM (V)
100 0 5 10 15 20 25 30 35 40 45 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
t1 t2
1. Duty factor D = t 1/ t 2 2. Peak T = P x Z thJC+ TC J DM 0.01 0.1 1
0.0001
0.001
t 1 , Rectangular Pulse Duration (S econds)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
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3
50WQ04FN
Bulletin PD-20524 rev. E 03/03
155 Allowable Case T emperature - (C)
4 Average Power Loss - (Wat ts) 3.5 3 2.5 2 1.5 1 0.5
see note (2)
150 145 140 135 130 125 120 0 1 2 3 4 5 6 7 8 Average Forward Current - I F(AV) (A) S quare wave (D = 0.50) 80% Rated V R applied DC
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMSLimit DC
0 0 1 2 3 4 5 6 7 8 Average Forward Current - I F(AV) (A)
Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current
1000
Fig. 6 - Forward Power Loss Characteristics
Non-R epetitive S urge Current - I FSM (A)
100
At Any Rated Load Condition And With Rated VRRM Applied Following S urge 10 10
100
1000
10000
S quare Wave Puls Duration - t p (microsec) e
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
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50WQ04FN
Bulletin PD-20524 rev. E 03/03
Marking Information
INTERNATIONAL 4 (K)
EXAMPLE: THIS IS A 50WQ04FN
PART NUMBER
RECTIFIER LOGO
50WQ04FN 712A 5K3A
ASSEMBLY LOT CODE 1 (A) 3 (A) 2 (K) DATE CODE (YWWA) Y = YEAR W W = WEEK A = LINE
Tape & Reel Information
4.1 (0.16) 3.9 (0.15) 2.1 (0.83) 1.9 (0.07) 1.85 (0.07) DIA. 1.65 (0.06) 1.85 (0.07) 1.65 (0.06) 7.6 (0.30) 7.4 (0.29) 12.1 (0.48) 11.9 (0.47) 2.6 (0.10) DIA. 1.5 (0.06) 0.35 (0.01) 0.25 (0.01)
TR
7.0 (0.28) 6.8 (0.26) 2.75 (0.11) 2.55 (0.10)
16.3 (0.64) 15.7 (0.62)
FEED DIRECTION
4.1 (0.16) 3.9 (0.15) TRR 2.1 (0.83) 1.9 (0.07)
1.85 (0.07) DIA. 1.65 (0.06) 1.85 (0.07) 1.65 (0.06) 7.6 (0.30) 7.4 (0.29)
0.35 (0.01) 0.25 (0.01)
10.6 (0.42) 10.4 (0.41) 2.75 (0.11) 2.55 (0.10)
16.3 (0.64) 15.7 (0.62)
FEED DIRECTION
8.1 (0.32) 7.9 (0.31)
2.6 (0.10) DIA. 1.5 (0.06)
4.1 (0.16) 3.9 (0.15) TRL 2.1 (0.83) 1.9 (0.07)
1.85 (0.07) DIA. 1.65 (0.06) 1.85 (0.07) 1.65 (0.06) 7.6 (0.30) 7.4 (0.29)
0.35 (0.01) 0.25 (0.01)
10.6 (0.42) 10.4 (0.41) 2.75 (0.11) 2.55 (0.10)
16.3 (0.64) 15.7 (0.62)
FEED DIRECTION
8.1 (0.32) 7.9 (0.31)
2.6 (0.10) DIA. 1.5 (0.06)
13 (0.52) DIA.
22.4 (0.88)
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.
375 (14.17) DIA. MAX.
50 (1.97) DIA.
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5
50WQ04FN
Bulletin PD-20524 rev. E 03/03
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. 03/03
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