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International Rectifier Electronic Components Datasheet

20CTQ045S Datasheet

SCHOTTKYRECTIFIER

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SCHOTTKY RECTIFIER
Bulletin PD-20056 rev. C 07/06
20CTQ...
20CTQ...S
20CTQ... -1
20 Amp
IF(AV) = 20Amp
VR = 35/ 45V
Major Ratings and Characteristics
Characteristics
Values Units
IF(AV) Rectangular
waveform
20
VRRM range
IFSM @ tp = 5 μs sine
35 / 45
1060
VF @10 Apk, TJ = 125°C
(per leg)
0.57
TJ range
- 55 to 175
A
V
A
V
°C
Description/Features
The 20CTQ center tap Schottky rectifier series has been
optimized for low reverse leakage at high temperature. The
proprietary barrier technology allows for reliable operation up
to 175° C junction temperature. Typical applications are in
switching power supplies, converters, free-wheeling diodes,
and reverse battery protection.
175° C TJ operation
Center tap TO-220 package
Low forward voltage drop
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
20CTQ...
Case Styles
20CTQ... S
20CTQ... -1
Base
Common
Cathode
2
1
Anode
2
Common
Cathode
3
Anode
TO-220
www.irf.com
Base
Common
Cathode
2
2
1 Common
3
Anode Cathode Anode
D2PAK
Base
Common
Cathode
2
1
Anode
2
Common
Cathode
3
Anode
TO-262
1


International Rectifier Electronic Components Datasheet

20CTQ045S Datasheet

SCHOTTKYRECTIFIER

No Preview Available !

20CTQ... Series
Bulletin PD-20056 rev. C 07/06
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V)
20CTQ035
35
20CTQ040
40
20CTQ045
45
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current
* See Fig. 5
IFSM Max. Peak One Cycle Non-Repetitive
Surge Current (Per Leg) * See Fig. 7
EAS Non-Repetitive Avalanche Energy
(Per Leg)
IAR Repetitive Avalanche Current
(Per Leg)
20CTQ Units
Conditions
20 A 50% duty cycle @ TC = 145°C, rectangular wave form
1060
265
13
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 = 2.0 Amps, L = 6.5 mH
2.0 A Current decaying linearly to zero in 1 μsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
20CTQ Units
Conditions
VFM Max. Forward Voltage Drop
(Per Leg) * See Fig. 1 (1)
IRM Max. Reverse Leakage Current
(Per Leg) * See Fig. 2 (1)
CT Max. Junction Capacitance(Per Leg)
LS Typical Series Inductance (Per Leg)
dv/dt Max. Voltage Rate of Change
(Rated VR)
0.64
0.76
0.57
0.68
2
15
900
8.0
10000
V @ 10A
V @ 20A
V @ 10A
V @ 20A
TJ = 25 °C
TJ = 125 °C
mA TJ = 25 °C
mA TJ = 125 °C
VR = rated VR
pF VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C
nH Measured lead to lead 5mm from package body
V/ μs
(1) Pulse Width < 300μs, Duty Cycle <2%
Thermal-Mechanical Specifications
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 Mounting Torque
Min.
Max.
20CTQ Units
Conditions
-55 to 175
-55 to 175
3.25
°C
°C
°C/W DC operation
* See Fig. 4
1.63 °C/W DC operation
0.50 °C/W Mounting surface , smooth and greased
2 (0.07)
6 (5)
12 (10)
g (oz.)
Kg-cm
(Ibf-in)
2 www.irf.com


Part Number 20CTQ045S
Description SCHOTTKYRECTIFIER
Maker InternationalRectifier
PDF Download

20CTQ045S Datasheet PDF






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