SCHOTTKY RECTIFIER
Description
Bulletin PD-2.
307 rev.
B 12/01
40CPQ035 40CPQ040 40CPQ045
SCHOTTKY RECTIFIER 40 Amp
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 µs sine VF TJ @ 20 Apk, TJ=125°C (per leg)
Description/Features Units
A V A V The 40CPQ.
.
.
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 switching power supplies, converters, free-wheeling diodes, and reverse battery protection.
150° C TJ operation Center tap TO-247 package High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability
40CPQ.
.
.
40 35/40/45 3500 0.
43
- 55 to 150
°C
Case Styles
40CPQ045
Base Common Cathode
2
1
3 2
Anode
1
Anode
2
Common Cathode
TO-247AC
www.
irf.
com
1
40CPQ035, 40CPQ040, 40CPQ045
Bulletin PD-2.
307 rev.
B 12/01
Voltage Ratings
Part number
VR Max.
DC Reverse Voltage (V) VRWM Max.
Working Peak Reverse Voltage (V)
40CPQ035
35
40CPQ040
40
40CPQ045
45
Absolute Maximum Ratings
Parameters
IF(AV) Max.
Average Forward Current * See Fig.
5 IFSM EAS IAR Max.
Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig.
7 Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) 3500 430 27 4 A mJ A 5µs Sine or 3µs Rect.
pulse Following any rated load condition and with 10ms Sine or 6ms Rect.
pulse rated VRRM applied
40CPQ.
.
.
Units
40 A
Conditions
50% duty cycle @ TC = 120 °C, rectangular wave form
TJ = 25 °C, IAS = 4 Amps, L = 3.
4 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max.
VA = 1.
5 x VR typical
Electrical Specifications
Parameters
VFM Max.
Forward Voltage Drop (Per Leg) * See Fig.
1 (1)
40CPQ.
.
.
Units
0.
49 0.
59 0.
43 0.
56 4 150 1850 7.
5 10000 V ...
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