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40L40CWPBF Datasheet, PDF (2/6 Pages) International Rectifier – SCHOTTKY RECTIFIER 2 x 20 Amps
40L40CWPbF, 40L45CWPbF
Bulletin PD-20794 rev. A 11/06
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
40L40CWPbF
40
40L45CWPbF
45
Parameters
40L..CW Units
Conditions
IF(AV) Max. Average Forward (Per Leg)
Current * See Fig. 5 (PerDevice)
IFSM Max. Peak One Cycle Non-Repetitive
Surge Current (Per Leg) * See Fig. 7
EAS Non-RepetitiveAvalancheEnergy
(Per Leg)
IAR RepetitiveAvalancheCurrent
(Per Leg)
20
40
1240
350
20
3
A 50% duty cycle @ TC = 122 °C, rectangular wave form
5μs Sine or 3μs Rect. pulse Following any rated
A
load condition and with
10ms Sine or 6ms Rect. pulse rated VRRM applied
mJ TJ = 25 °C, IAS = 3 Amps, L = 4.4 mH
A Current decaying linearly to zero in 1 μsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
40L..CW Units
Conditions
VFM Forward Voltage Drop
(Per Leg) * See Fig. 1
(1)
Typ. Max.
0.48 0.53 V @ 20A
0.61 0.69 V @ 40A
0.42 0.49 V @ 20A
0.60 0.70 V @ 40A
TJ = 25 °C
TJ = 125 °C
IRM Reverse Leakage Current
(Per Leg) * See Fig. 2 (1)
VF(TO) Threshold Voltage
rt Forward Slope Resistance
CT Max. Junction Capacitance (Per Leg)
LS Typical Series Inductance (Per Leg)
dv/dt Max. Voltage Rate of Change
- 1.5
20 80
0.27
8.72
mA TJ = 25 °C
mA TJ = 100 °C
V TJ = TJ max.
mΩ
VR = rated VR
- 1500 pF VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C
7.5 - nH Measured lead to lead 5mm from package body
10000 V/ μs (Rated VR)
Thermal-Mechanical Specifications
(1) Pulse Width < 300μs, Duty Cycle <2%
Parameters
TJ Max. Junction Temperature Range
Tstg Max. Storage Temperature Range
RthJC Max. Thermal Resistance Junction
to Case (Per Leg)
RthJC Max. Thermal Resistance Junction
to Case (Per Package)
RthCS Typical Thermal Resistance, Case
to Heatsink
wt Approximate Weight
T MountingTorque
Min.
Max.
Case Style
Marking Device
40L..CW Units
Conditions
-55 to 150 °C
-55 to 150 °C
1.6 °C/W DCoperation
* See Fig. 4
0.8 °C/W DCoperation
0.24 °C/W Mounting surface , smooth and greased
6 (0.21) g (oz.)
6 (5) Kg-cm Non-lubricatedthreads
12 (10) (Ibf-in)
TO-247AC(TO-3P) JEDEC
40L40CW
40L45CW
2
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40L45CWPbF revA.pmd
2
21-Nov-06, 11:05