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40L40CWPBF Datasheet, PDF (1/6 Pages) International Rectifier – SCHOTTKY RECTIFIER 2 x 20 Amps
40L40CWPbF/40L45CWPbF
Vishay High Power Products
Schottky Rectifier, 2 x 20 A
Base
common
cathode
2
TO-247AC
1
3
Anode
1
2
Anode
2
Common
cathode
PRODUCT SUMMARY
IF(AV)
VR
2 x 20 A
40/45 V
FEATURES
• 150 °C TJ operation
• Center tap TO-247 package
• High purity, high temperature epoxy
encapsulation for enhanced mechanical
strength and moisture resistance
Pb-free
Available
RoHS*
COMPLIANT
• Very low forward voltage drop
• High frequency operation
• Guard ring for enhanced ruggedness and long term
reliability
• Lead (Pb)-free (“PbF” suffix)
• Designed and qualified for industrial level
DESCRIPTION
The 40L..CWPbF center tap Schottky rectifier has been
optimized for very low forward voltage drop with moderate
leakage. The proprietary barrier technology allows for
reliable operation up to 150 °C junction temperature. Typical
applications are in parallel switching power supplies.
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
CHARACTERISTICS
IF(AV)
VRRM
Rectangular waveform
IFSM
tp = 5 µs sine
VF
20 Apk, TJ = 125 °C (per leg, typical)
TJ
VALUES
40
40/45
1240
0.42
- 55 to 150
UNITS
A
V
A
V
°C
VOLTAGE RATINGS
PARAMETER
Maximum DC reverse voltage
Maximum working peak reverse voltage
SYMBOL
VR
VRWM
40L40CWPbF
40
40L45CWPbF
45
UNITS
V
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
TEST CONDITIONS
VALUES
Maximum average
forward current
See fig. 5
per leg
20
IF(AV) 50 % duty cycle at TC = 122 °C, rectangular waveform
per device
40
Maximum peak one cycle non-repetitive
surge current per leg
See fig. 7
Non-repetitive avalanche energy per leg
Repetitive avalanche current per leg
5 µs sine or 3 µs rect. pulse Following any rated load 1240
IFSM
condition and with rated
10 ms sine or 6 ms rect. pulse VRRM applied
350
EAS
TJ = 25 °C, IAS = 3 A, L = 4.4 mH
20
Current decaying linearly to zero in 1 µs
IAR
Frequency limited by TJ maximum VA = 1.5 x VR typical
3
* Pb containing terminations are not RoHS compliant, exemptions may apply
UNITS
A
mJ
A
Document Number: 94219
Revision: 13-Aug-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
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