20CTQ Datasheet, PDF (2/8 Pages) International Rectifier – SCHOTTKY RECTIFIER

20CTQ... Series
Bulletin PD-20056 rev. A 12/01
Voltage Ratings
Part number
V_R Max. DC Reverse Voltage (V)
V_RWM Max. Working Peak Reverse Voltage (V)
20CTQ035
35
20CTQ040
40
20CTQ045
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)
Electrical Specifications
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 V}RRM ^applied
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_J max. V_A = 1.5 x V_R typical
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 ApproximateWeight
T MountingTorque
Min.
Max.
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)
6 (5)
12 (10)
g (oz.)
Kg-cm
(Ibf-in)
2
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