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SCHOTTKY RECTIFIER
New GenIII D-61 Package
110 Amp
111CNQ045A
Bulletin PD-20.758 rev. A 03/02
1
Case Styles
Major Ratings and Characteristics
I
F(AV)
Rectangular
110
A
waveform
V
RRM
45
V
I
FSM
@ tp = 5 s sine
4000
A
V
F
@
55 Apk, T
J
= 125 C
0.55
V
(per leg)
T
J
range
- 55 to 175
C
Characteristics
111CNQ045A Units
Description/Features
D61-8
111CNQ045A
111CNQ045ASM
111CNQ045ASL
D61-8-SM
D61-8-SL
The 111CNQ045A center tap Schottky rectifier module has
been optimized for very low forward voltage drop, with moder-
ate leakage. The proprietary barrier technology allows for
reliable operation up to 175 C junction temperature. Typical
applications are in switching power supplies, converters, free-
wheeling diodes, and reverse battery protection.
175 C T
J
operation
Center tap module
Very 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
Low profile, small footprint, high current package
New fully transfer-mold
low profile, small
footprint, high current package
www.irf.com
111CNQ045A
2
Bulletin PD-20.758 rev. A 03/02
www.irf.com
I
F(AV)
Max. Average Forward
Per Leg
55
A
50% duty cycle @ T
C
= 152 C, rectangular wave form
Current * See Fig. 5
Per Device
110
I
FSM
Max. Peak One Cycle Non-Repetitive
4000
5s Sine or 3s Rect. pulse
Surge Current (Per Leg) * See Fig. 7
600
10ms Sine or 6ms Rect. pulse
E
AS
Non-Repetitive Avalanche Energy
54
mJ
T
J
= 25 C, I
AS
= 8 Amps, L = 1.7 mH
(Per Leg)
I
AR
Repetitive Avalanche Current
8
A
Current decaying linearly to zero in 1 sec
(Per Leg)
Frequency limited by T
J
max. V
A
= 1.5 x V
R
typical
Part number
111CNQ045A
V
R
Max. DC Reverse Voltage (V)
45
V
RWM
Max. Working Peak Reverse Voltage (V)
Voltage Ratings
Absolute Maximum Ratings
Parameters
111CNQ Units
Conditions
A
V
FM
Max. Forward Voltage Drop
0.61
V
@ 55A
(Per Leg)
(1)
0.75
V
@ 110A
0.55
V
@ 55A
0.69
V
@ 110A
I
RM
Max. Reverse Leakage Current
1.5
mA
T
J
= 25 C
(Per Leg)
(1)
65
mA
T
J
= 125 C
C
T
Max. Junction Capacitance (Per Leg)
3900
pF
V
R
= 5V
DC
, (test signal range 100Khz to 1Mhz) 25C
L
S
Typical Series Inductance (Per Leg)
5.5
nH
Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change
10000
V/ s
(Rated V
R
)
Electrical Specifications
T
J
= 25 C
T
J
= 125 C
V
R
= rated V
R
Parameters
111CNQ Units
Conditions
T
J
Max. Junction Temperature Range
-55 to 175
C
T
stg
Max. Storage Temperature Range
-55 to 175
C
R
thJC
Max. Thermal Resistance Junction
0.5
C/W DC operation
to Case (Per Leg)
R
thJC
Max. Thermal Resistance Junction
0.25
C/W DC operation
to Case (Per Package)
R
thCS
Typical Thermal Resistance, Case
0.30
C/W Mounting surface , smooth and greased
to Heatsink (D61-8 Only)
Device flatness < 5 mils
wt
Approximate Weight
7.8 (0.28) g (oz.)
T
Mounting Torque
Min.
40 (35)
(D61-8 Only)
Max.
58 (50)
Thermal-Mechanical Specifications
Kg-cm
(Ibf-in)
Parameters
111CNQ Units
Conditions
Following any rated
load condition and with
rated V
RRM
applied
(1) Pulse Width < 300s, Duty Cycle <2%
111CNQ045A
3
Bulletin PD-20.758 rev. A 03/02
www.irf.com
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (Per Leg)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
Fig. 4 - Max. Thermal Impedance Z
thJC
Characteristics (Per Leg)
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
Instantaneous Forward Current - I
F
(A)
Forward Voltage Drop - V
FM
(V)
Reverse Current - I
R
(mA)
Reverse Voltage - V
R
(V)
Reverse Voltage - V
R
(V)
Junction Capacitance - C
T
(p F)
Thermal Impedance - Z
thJC
(C/W)
t
1
, Rectangular Pulse Duration (Seconds)
1
10
100
1000
0
0.5
1
1.5
2
Tj = 175C
Tj = 125C
Tj = 25C
0.001
0.01
0.1
1
10
100
1000
0
5
10 15 20 25 30 35 40 45
125C
100C
75C
50C
25C
Tj = 175C
150C
1000
10000
0
5
10 15 20 25 30 35 40 45
Tj = 25C
0.001
0.01
0.1
1
0.00001
0.0001
0.001
0.01
0.1
1
10
Single Pulse
(Thermal Resistance)
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
Notes:
1. Duty factor D = t1/ t2
2. Peak Tj = Pdm x ZthJC + Tc
2
t
1
t
P
DM
111CNQ045A
4
Bulletin PD-20.758 rev. A 03/02
www.irf.com
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
Fig. 8 - Unclamped Inductive Test Circuit
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
(2) Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward Power Loss = I
F(AV)
x V
FM
@ (I
F(AV)
/
D) (see Fig. 6);
Pd
REV
= Inverse Power Loss = V
R1
x I
R
(1 - D); I
R
@ V
R1
= 80% rated V
R
FREE-WHEEL
DIODE
40HFL40S02
CURRENT
MONITOR
HIGH-SPEED
SWITCH
IRFP460
L
DUT
Rg = 25 ohm
Vd = 25 Volt
+
Allowable Case Temperature (C)
Average Forward Current - I
F(AV)
(A)
Average Power Loss (Watts)
Average Forward Current - I
F(AV)
(A)
Non-Repetitive Surge Current - I
FSM
(A)
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
130
140
150
160
170
180
0
10 20 30 40 50 60 70 80 90
DC
see note (2)
Square wave (D = 0.50)
80% Rated Vr applied
0
10
20
30
40
50
0
10
20
30
40
50
60
70
80
DC
RMS Limit
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
100
1000
10000
10
100
1000
10000
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
111CNQ045A
5
Bulletin PD-20.758 rev. A 03/02
www.irf.com
Outline Table
Outline D61-8-SM
Dimensions are in millimeters and (inches)
Outline D61-8
Dimensions are in millimeters and (inches)