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International Rectifier Electronic Components Datasheet

47CTQ020PBF Datasheet

SCHOTTKY RECTIFIER

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Bulletin PD-20854 rev. A 02/07
SCHOTTKY RECTIFIER
47CTQ020PbF
40 Amp
IF(AV) = 40Amp
VR = 20V
Major Ratings and Characteristics
Characteristics
Values Units
IF(AV) Rectangular
waveform
VRRM
40
20
IFSM @ tp = 5 μs sine
1000
VF @ 20 Apk, TJ= 125 °C
0.34
TJ - 55 to 150
A
V
A
V
°C
Description/ Features
This center tap Schottky rectifier has been optimized for
ultra low forward voltage drop specifically for 3.3V output
power supplies. The proprietary barrier technology allows
for reliable operation up to 150 °C junction temperature.
Typical applications are in parallel switching power supplies,
converters, reverse battery protection, and redundant power
subsystems.
150 °C TJ operation
Center tap configuration
Optimized for 3.3V application
Ultra low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Lead-Free ("PbF" suffix)
Case Styles
Base
Common
Cathode
2
www.irf.com
TO-220
1
Anode
2
Common
Cathode
3
Anode
1


International Rectifier Electronic Components Datasheet

47CTQ020PBF Datasheet

SCHOTTKY RECTIFIER

No Preview Available !

47CTQ020PBF pdf
47CTQ020PbF
Bulletin PD-20854 rev. A 02/07
Voltage Ratings
Part number
47CTQ020PbF
VR Max. DC Reverse Voltage (V)
VR Max. DC Reverse Voltage (V)
Absolute Maximum Ratings
@ 125° C
@ 150° C
20
10
Parameters
47CTQ Units
Conditions
IF(AV) Max. Average Forward (Per Device)
Current
(Per Leg)
IFSM Max. Peak One Cycle Non-Repetitive
Surge Current (Per Leg)
EAS
Non-Repetitive Avalanche Energy
(Per Leg)
IAR Repetitive Avalanche Current
(Per Leg)
40
20
1000
250
18
3
A 50% duty cycle @ TC = 135°C, rectangular wave form
A
5μs Sine or 3μs Rect. pulse
Following any rated
load condition and with
10ms Sine or 6ms Rect. pulse rated VRRM applied
mJ TJ = 25 °C, IAS = 3 Amps, L =3 mH
A 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)
(1)
47CTQ
0.45
0.51
0.34
0.44
Units
V @ 20A
V @ 40A
V @ 20A
V @ 40A
Conditions
TJ = 25 °C
TJ = 125 °C
0.31 V @ 20A
0.42 V @ 40A
TJ = 150 °C
IRM Max. Reverse Leakage Current
(Per Leg)
(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
3
310
60
45
306
0.188
5.9
3000
5.5
10000
Thermal-Mechanical Specifications
mA TJ = 25 °C
mA TJ = 125 °C
mA TJ = 125 °C
mA TJ = 125 °C
mA TJ = 150 °C
VR = rated VR
VR = 5V
VR = 3.3V
VR = 10V
V TJ = TJ max.
mΩ
pF VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C
nH Measured lead to lead 5mm from package body
V/ μs (Rated VR)
(1) Pulse Width < 300μs, Duty Cycle <2%
Parameters
47CTQ Units
Conditions
TJ Max. Junction Temperature Range
Tstg Max. Storage Temperature Range
RthJC Max. Thermal Resistance Junction
to Case (Per Leg)
-55 to 150
-55 to 150
1.5
°C
°C
°C/W DC operation
RthJC Max. Thermal Resistance Junction
to Case (Per Package)
0.75 °C/W DC operation
RthCS Typical Thermal Resistance, Case
to Heatsink
0.50 °C/W Mounting surface , smooth and greased
wt Approximate Weight
2 (0.07) g (oz.)
T Mounting Torque
Min.
Max.
6 (5) Kg-cm
12 (10) (Ibf-in)
Marking Device
47CTQ020
2 www.irf.com


Part Number 47CTQ020PBF
Description SCHOTTKY RECTIFIER
Maker International Rectifier
Total Page 6 Pages
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47CTQ020PBF pdf
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