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20CTQ035SIRN/a1avai35V 20A Schottky Common Cathode Diode in a D2-Pak package
20CTQ045 |20CTQ045IR N/a5000avai45V 20A Schottky Common Cathode Diode in a TO-220AB package
20CTQ045-1 |20CTQ0451IRN/a750avai45V 20A Schottky Common Cathode Diode in a TO-262 package
20CTQ045SIRN/a459avai45V 20A Schottky Common Cathode Diode in a D2-Pak package


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20CTQ035S-20CTQ045 -20CTQ045-1-20CTQ045S
35V 20A Schottky Common Cathode Diode in a TO-220AB package
Internation
IeaR Rectifi
Bulletin PD-20056 rev.A 12/01
20CTCL.
20CTCL.S
20CTQ... -1
SCHOTTKYRECTlFlER
Major Ratings and Characteristics
20 Amp
|F(AV) = 20Amp
VR = 35 to 45V
Description/Features
The 20CTQ center tap Schottky rectifer series has been
Common
Cathode
i O 2 i
1 Common 3
Anode Cathode Anode
TO-220
Characteristics 20CTQ Units optimized for low reverse leakage at high temperature. The
proprietary barrier technology allows for reliable operation up
|F(AV) Rectangular 20 A to 175° C junction temperature. Typical applications are in
waveform switching power supplies, converters, free-wheeling diodes,
and reverse battery protection.
VRRM range 35 to 45 V . 175° C T J operation
I t =5 ine 1060 A . Centertap TO-220 package
FSM @ " ps SI . Lowforward voltage drop
- o . High purity, high temperature epoxy encapsulation for
VF @10Apk, To-- 125 C 0.57 V enhanced mechanical strength and moisture resistance
(perleg) . High frequency operation
T range -55to175 "C . Guard ring for enhanced ruggedness and long term
J reliability
Case Styles
20CTQ... S
Base Base
Common Common
Cathode Cathode
1 Common 3 1 Common 3
Mode Cathode Anode Anode Cathode Anode
D2 PAK TO-262

20CTQ... Series
International
Bulletin PD-20056 rev. A 12/01 IEER Rectifier
Voltage Ratings
Part number 20CTQ035 20CTQ040 20CTQ045
VR Max. DC Reverse Voltage (V)
. 35 40 45
VRWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
Parameters 20CTQ Units Conditions
IHAV) Max. Average Forward Current 20 A 50% duty cycle @ TC = 145°C, rectangularwave form
* See Fig. 5
G, Max. PeakOne Cycle Non-Repetitive 1060 A 5ps Sine or3ps Rect. pulse 22gigyt'igy, Agzvith
Surge Current (Per Leg) * See Fig. 7 265 10ms Sine or6ms Rect. pulse rated VRRM applied
EAS Non-RepetitiveAvalanche Energy 13 mJ T, = 25°C, IAS = 2.0Amps, L= 6.5 mH
(Per Leg)
|AR RepetitiveAvalanche Current 2.0 A Currentdecayinglinearlytozeroin1 psec
(Per Leg) Frequencylimited by T, max.VA=1.5xVR typical
Electrical Specifications
Parameters 20CTQ Units Conditions
IG, Max. Forward Voltage Drop 0.64 V @ 10A T = 25 cc
(Per Leg) * See Fig. 1 (1) 0.76 V @ 20A J
0.57 V @ 10A
T = 125 ''C
0.68 v @ 20A J
IRM Max. Reverse Leakage Current 2 mA TJ = 25 C VR = rated VR
(Per Leg) * See Fig. 2 (1) 15 mA Tu =125 ''C
c, Max. Junction Capacitance (Per Leg) 900 pF VR = 5Voc, (test signal range 100Khz to 1Mhz) 25°C
LS Typical Series Inductance (Per Leg) 8.0 nH Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change 10000 VI us
(Rated VR)
(1) Pulse 1Mdth < 300ps, Duty Cycle <2%
Thermal-Mechanical Specifications
Parameters 20CTQ Units Conditions
T J Max.Junction Temperature Range -55to 175 "C
stg Max.StorageTempera1ure Range -5510175 ''C
Rch Max.Thermal ResistanceJunction 3.25 "CIW DCoperation 'See Fig.4
to Case (Per Leg)
Re, Max.ThermalResistanceJunction 1.63 °C/W DC operation
to Case (Per Package)
RthCS TypicalThermalResistance,Case 0.50 °CNV Mounting surface,smooth andgreased
to Heatsink
wt ApproximateWeight 2(0.07) g (oz.)
T MountingTorque Min. 6(5) Kg-cm
Max. 12(10) (lbf-in)
2
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