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Bulletin PD-20856 10/04
SCHOTTKY RECTIFIER
60CTQ045PbF
60 Amp
IF(AV) = 60Amp
VR = 45V
Major Ratings and Characteristics
Characteristics
Values Units
IF(AV) Rectangular waveform
(Per Device)
IFRM @ TC = 113°C
(Per Leg)
VRRM
IFSM @ tp = 5 µs sine
VF @ 30 Apk, TJ = 125°C
TJ range
60
60
45
1500
0.53
- 65 to 150
A
A
V
A
V
°C
Description/ Features
This center tap Schottky rectifier has been optimized for low
reverse leakage at high temperature. The proprietary barrier
technology allows for reliable operation up to 150° C junction
temperature. Typical applications are in switching power
supplies, converters, free-wheeling diodes, and reverse bat-
tery protection.
150° 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
Lead-Free ("PbF" suffix)
Case Styles
60CTQ045PbF
Base
Common
Cathode
2
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TO-220
1
Anode
2
Common
Cathode
3
Anode
1

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60CTQ045PbF
Bulletin PD-20856 10/04
Voltage Ratings
Parameters
VR Max. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V)
60CTQ045PbF
45
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward (PerLeg)
Current
(Per Device)
IFRM Peak Repetitive Forward
Current
(Per Leg)
IFSM Max.Peak One Cycle Non -Repetitive
Surge Current
(Per Leg)
EAS
Non -Repetitive Avalanche Energy
(Per Leg)
IAR Repetitive Avalanche Current
(Per Leg)
Values
30
60
60
1500
300
20
3
Units Conditions
A 50% duty cycle @ TC = 113°C, rectangular wave form
A Rated VR, square wave, 20kHz
TC = 113° C
A
5µs Sine or 3µs Rect. pulse
10ms Sine or 6ms Rect. pulse
Following any rated load
condition and with rated
VRRM applied
mJ TJ = 25°C, IAS = 3Amps, L = 4.40mH
A Current decaying linearty to zero in 1 µsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
Typ. Max. Units Conditions
VFM Max. Forward Voltage Drop
0.51 0.56
0.66 0.72
(1) 0.48 0.53
0.68 0.75
IRM Max. Instantaneus Reverse Current 0.33 2
145 250
CT Max. Junction Capacitance
LS Typical Series Inductance
dv/dt Max. Voltage Rate of Change
(Rated VR)
2000
8.0
10000
Thermal-Mechanical Specifications
V
V
V
V
mA
mA
pF
nH
V/ µs
@ 30A
TJ = 25 °C
@ 60A
@ 30A
@ 60A
TJ = 125 °C
TJ = 25 °C Rated DC voltage
TJ = 125 °C
VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C
Measured from top of terminal to mounting plane
(1) Pulse Width < 300µs, Duty Cycle <2%
Parameters
Values Units Conditions
TJ Max. Junction Temperature Range
Tstg Max. Storage Temperature Range
RthJC Max. Thermal Resistance
Junction to Case (Per Leg)
RthCS Typical Thermal Resistance
Case to Heatsink
wt Approximate Weight
T Mounting Torque
Min.
Max.
Marking Device
-65 to 150
-65 to 175
1.2
°C
°C
°C/W DC operation
0.50 °C/W Mounting surface, smooth and greased
2 (0.07) g (oz.)
6 (5)
12 (10)
Kg-cm Non-lubricated threads
(Ibf-in)
60CTQ045
2 www.irf.com

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1000
100
10
1000
100
10
1
0.1
60CTQ045PbF
Bulletin PD-20856 10/04
TJ = 150˚C
125˚C
100˚C
75˚C
50˚C
25˚C
0.01
0 5 10 15 20 25 30 35 40 45
Reverse Voltage - VR (V)
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage
10000
TJ = 25˚C
Tj = 150˚C
Tj = 125˚C
Tj = 25˚C
1
0 0.2 0.4 0.6 0.8 1 1.2 1.4
Forward Voltage Drop - VFM (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
10
1000
100
0 5 10 15 20 25 30 35 40 45
Reverse Voltage - VR (V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
D = 0.75
1 D = 0.50
D = 0.33
D = 0.25
D = 0.20
0.1
PDM
t1
t2
Notes:
0.01
0.00001
Single Pulse
(Thermal Resistance)
1. Duty factor D = t1/ t 2
2. Peak Tj = Pdmx ZthJC + Tc
0.0001
0.001
0.01
0.1
1
t1, Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance Z thJC Characteristics
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