20CTQ035PBF Datasheet, PDF (2/6 Pages) International Rectifier – SCHOTTKY RECTIFIER 20 Amp

20CTQ...PbF
Bulletin PD-20842 rev. B 05/06
Voltage Ratings
Part number
V_R Max. DC Reverse Voltage (V)
V_RWM Max. Working Peak Reverse Voltage (V)
20CTQ035PbF 20CTQ040PbF 20CTQ045PbF
35
40
45
Absolute Maximum Ratings
Parameters
I_F(AV) Max. Average Forward Current
* See Fig. 5
I_FSM Max. Peak One Cycle Non-Repetitive
Surge Current (Per Leg) * See Fig. 7
E_AS Non-RepetitiveAvalancheEnergy
(Per Leg)
I_AR RepetitiveAvalancheCurrent
(Per Leg)
20CTQ Units
Conditions
20
A 50% duty cycle @ T_C= 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 VRRMapplied
mJ T_J = 25 °C, I_AS = 2.0 Amps, L = 6.5 mH
2.0
A Current decaying linearly to zero in 1 μsec
Frequency limited by T_Jmax. V_A = 1.5 x V_R typical
Electrical Specifications
Parameters
20CTQ Units
Conditions
V_FM Max. Forward Voltage Drop
(Per Leg) * See Fig. 1
(1)
I_RM Max. Reverse Leakage Current
(Per Leg) * See Fig. 2 (1)
C_T Max. Junction Capacitance (Per Leg)
L_S Typical Series Inductance (Per Leg)
dv/dt Max. Voltage Rate of Change
(Rated V_R)
0.64
0.76
0.57
0.68
2
15
900
8.0
10000
Thermal-Mechanical Specifications
V @ 10A
V @ 20A
T_J = 25 °C
V @ 10A
V @ 20A
T_J = 125 °C
mA T_J = 25 °C
mA T_J = 125 °C
V_R = rated V_R
pF V_R = 5V_DC (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%
Parameters
T_J Max. Junction Temperature Range
T_stg Max. Storage Temperature Range
R_thJC Max. Thermal Resistance Junction
to Case (Per Leg)
R_thJC Max. Thermal Resistance Junction
to Case (Per Package)
R_thCS Typical Thermal Resistance, Case
to Heatsink
wt Approximate Weight
T MountingTorque
Min.
Max.
Marking Device
20CTQ Units
Conditions
-55 to 175 °C
-55 to 175 °C
3.25 °C/W DCoperation * See Fig. 4
1.63 °C/W DCoperation
0.50 °C/W Mounting surface , smooth and greased
2 (0.07) g (oz.)
6 (5) Kg-cm
12 (10) ^(Ibf-in)
20CTQ045
2
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