
25CTQ... Series
2
Bulletin PD-20242 rev. B 07/03
www.irf.com
IF(AV) Max. Average Forward Current 30 A 50% duty cycle @ TC = 102 °C, rectangular wave form
* See Fig. 5
IFSM Max. Peak One Cycle Non-Repetitive 990 5µs Sine or 3µs Rect. pulse
Surge Current (Per Leg) * See Fig. 7 250 10ms Sine or 6ms Rect. pulse
EAS Non-Repetitive Avalanche Energy 20 mJ TJ = 25 °C, IAS
= 3 Amps, L = 4.40 mH
(Per Leg)
IAR Repetitive Avalanche Current 3 A Current decaying linearly to zero in 1 µsec
(Per Leg) Frequency limited by TJ max. VA = 1.5 x VR typical
Part number 25CTQ035 25CTQ040 25CTQ045
VRMax. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V) 35 40 45
TJMax. Junction Temperature Range -55 to 150 °C
Tstg Max. Storage Temperature Range -55 to 150 °C
RthJC Max. Thermal Resistance Junction 3.25 °C/W DC operation * See Fig. 4
to Case (Per Leg)
RthJC Max. Thermal Resistance Junction 1.63 °C/W DC operation
to Case (Per Package)
RthCS Typical Thermal Resistance, Case 0.50 °C/W Mounting surface , smooth and greased
to Heatsink
wt Approximate Weight 2.0 (0.07) g (oz.)
T Mounting Torque Min. 6 (5)
Max. 12 (10)
Thermal-Mechanical Specifications
Kg-cm
(Ibf-in)
Absolute Maximum Ratings
VFM Max. Forward Voltage Drop 0.56 V @ 15A
(Per Leg) * See Fig. 1 (1) 0.71 V @ 30A
0.50 V @ 15A
0.64 V @ 30A
IRM Max. Reverse Leakage Current 1.75 mA TJ = 25 °C
(Per Leg) * See Fig. 2 (1) 70 mA TJ = 125 °C
CTMax. Junction Capacitance(Per Leg) 900 pF VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C
LSTypical Series Inductance (Per Leg) 8.0 nH Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change 10000 V/ µs
(Rated VR)
TJ = 25 °C
TJ = 125 °C
VR = rated VR
(1) Pulse Width < 300µs, Duty Cycle <2%
Voltage Ratings
Parameters 25CTQ Units Conditions
Parameters 25CTQ Units Conditions
Parameters 25CTQ Units Conditions
Electrical Specifications
AFollowing any rated
load condition and with
rated VRRM applied