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40L15CW
15V 40A Schottky Common Cathode Diode in a TO-247AC package
International
IéaR Rectifier
Bulletin PD-20567 rev.D 08/03
4OL15CW
SCHOTTKY RECTIFIER
Major Ratings and Characteristics
2 x 20 Amps
Description! Features
. . . The 4OL15CW center tap Schottky rectifier module has been
Characteristics 40L15CW Units optimized for ultra low forward voltage drop specifically for
the OR-ing of parallel power supplies. The proprietary barrier
IRAV) Rectangular 40 A technology allows for reliable operation up to 125 ''C junction
waveform temperature: Typical applications are in parallel switching
power supplies, converters, reverse battery protection, and
VRRM 15 V redundant power subsystems.
. . 125°C To operation N,, < 5V)
IFSM @tp=5pssine 700 A . Center tap module
. . f R-i li .
V @19Apk,T =125°C 0.25 V . Optimized or 0 mg app ications
F J. . Ultra low forward voltage drop
(per leg, Typical) . .
. High frequency operation
TJ -55 to 125 ''C . Guard ring for enhanced ruggedness and long term
reliability
. High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Case Styles
40L15CW
TO-247AC
40L15CW
Bulletin PD-20567 rev.D 08/03
International
TOR Rectifier
Voltage Ratings
Part number 40L15CW
VR Max. DC Reverse Voltage (V) @ T, = 100 "C
VRWM Max. Working Peak Reverse Voltage (V) @ T, = 100 ''C 15
Absolute Maximum Ratings
Parameters 40L15CW Units Conditions
IFW) Max.Average Forward (PerLeg) 20 A 50%dutycycle@Tc=86''C,rectangularwaveform
Current *See Fig. 5 (Per Device) 40
|FSM Max. PeakOne Cycle Non-Repetitive 700 5ps Sine or 3ps Rect. pulse Follpwing.p.ny rated .
. A . load conditioh and with
Surge Current (Per Leg) "See Fig. 7 330 10ms Sine or6ms Rect. pulse rated VRRM applied
EAS Non-Repetitive Avalanche Energy 10 mJ T, = 25°C, IAs = 2Amps, L= 5mH
(Per Leg)
la, Repetitive Avalanche Current 2 A Currentdecaying linearlytozeroin1 usec
(Per Leg) Frequency limited by TJ max. VA-- 15va typical
Electrical Specifications
Parameters 40L15CW Units Conditions
Typ. Max.
vo, Forward Voltage Drop - 0.41 V @ 19A T: = 25 00
(Per Leg) * See Fig. 1 (1) - 0.52 V @ 40A
0.25 0.33 V @19A T., =125 00
0.37 0.50 V @ 40A
|RM Reverse Leakage Current - 10 mA Tu = 25 C VR = rated VR
(Per Leg) * See Fig. 2 (1) - 600 mA TJ = 100 ''C
VWO) Threshold Voltage 0.182 V T: = TJ max.
rt Forward Slope Resistance 7.6 mo
c, Max. Junction Capacitance(Per Leg) - 2000 pF VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C
Ls Typical Series Inductance (Per Leg) 8 - nH Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change 10000 VI us
(Rated VR)
. . . (1) Pulse VWdth < 300ps, Duty Cycle <2%
Thermal-Mechanical Specifications
Parameters 40L15CW Units Conditions
T, Max. Junction Temperature Range -55to 125 I
Tstg Max. StorageTemperature Range -55to 150 ''C
Rch Max. Thermal Resistance Junction 1.4 °C/W DC operation * See Fig. 4
to Case (Per Leg)
RthC Max.ThermalResistance Junction 0.7 "C/W DC operation
to Case (Per Package)
Rmcs TypicalThermal Resistance,Case 0.24 "C/VV Mounting surface,smooth and greased
to Heatsink
wt Approximate Weight 6(0.21) g(oz.)
T Mounting Torque Min. 6(5) Kg-cm Non-lubricated threads
Max. 12 (10) (lbf-in)
Case Style TO-247AC(TO-3P) JEDEC
