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Bulletin PD-20.758 rev. A 03/02
Document Number: 93201
www.vishay.com
1
111CNQ045A
SCHOTTKY RECTIFIER
New GenIII D-61 Package
Major Ratings and Characteristics
Characteristics 111CNQ045A Units
I
Rectangular 110 A
F(AV)
waveform
V
RRM
I
@ tp = 5 µs sine 4000 A
FSM
VF@ 55 Apk, TJ = 125 °C 0.55 V
(per leg)
TJrange - 55 to 175 °C
111CNQ045A 111CNQ045ASM 111CNQ045ASL
45 V
110 Amp
Description/Features
The 111CNQ045A center tap Schottky rectifier module has
been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for
reliable operation up to 175 °C junction temperature. Typical
applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection.
175 °C TJ 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
Case Styles
D61-8
D61-8-SM D61-8-SL
111CNQ045A
Document Number: 93201
www.vishay.com
2
Bulletin PD-20.758 rev. A 03/02
Voltage Ratings
Part number 111CNQ045A
VRMax. DC Reverse Voltage (V) 45
V
Max. Working Peak Reverse Voltage (V)
RWM
Absolute Maximum Ratings
Parameters 111CNQ Units Conditions
I
Max. Average Forward Per Leg 55 A 50% duty cycle @ TC = 152 °C, rectangular wave form
F(AV)
Current * See Fig. 5 Per Device 110
I
Max. Peak One Cycle Non-Repetitive 4000 5µs Sine or 3µs Rect. pulse
FSM
Surge Current (Per Leg) * See Fig. 7 600 10ms Sine or 6ms Rect. pulse
EASNon-Repetitive Avalanche Energy 54 m J T
(Per Leg)
A
= 25 °C, I
J
= 8 Amps, L = 1.7 mH
AS
IARRepetitive Avalanche Current 8 A Current decaying linearly to zero in 1 µsec
(Per Leg) Frequency limited by TJ max. VA = 1.5 x VR typical
Following any rated
load condition and with
rated V
RRM
applied
Electrical Specifications
Parameters 111CNQ Units Conditions
VFMMax. Forward Voltage Drop 0.61 V @ 55A
(Per Leg) (1) 0.75 V @ 110A
0.55 V @ 55A
0.69 V @ 110A
IRMMax. Reverse Leakage Current 1.5 mA TJ = 25 °C
(Per Leg) (1) 65 mA TJ = 125 °C
CTMax. Junction Capacitance (Per Leg) 3900 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C
LSTypical Series Inductance (Per Leg) 5.5 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 V
(1) Pulse Width < 300µs, Duty Cycle <2%
R
Thermal-Mechanical Specifications
Parameters 111CNQ Units Conditions
TJMax. Junction Temperature Range -55 to 175 °C
T
Max. Storage Temperature Range -55 to 175 °C
stg
R
Max. Thermal Resistance Junction 0.5 °C/W DC operation
thJC
to Case (Per Leg)
R
Max. Thermal Resistance Junction 0.25 °C/W DC operation
thJC
to Case (Per Package)
R
Typical Thermal Resistance, Case 0.30 °C/W Mounting surface , smooth and greased
thCS
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)
Kg-cm
(Ibf-in)
111CNQ045A
Document Number: 93201
www.vishay.com
3
Bulletin PD-20.758 rev. A 03/02
1000
100
(A)
F
10
Instantaneous Forward Current - I
Tj = 175˚C
Tj = 125˚C
Tj = 25˚C
1000
Tj = 175˚C
150˚C
125˚C
100˚C
(mA)
R
100
10
1
0.1
Reverse Current - I
0.01
0.001
0 5 10 15 20 25 30 35 40 45
Reverse Voltage - VR (V)
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage (Per Leg)
10000
Tj = 25˚C
(p F)
T
75˚C
50˚C
25˚C
Junction Capacitance - C
1
0 0.5 1 1.5 2
1000
0 5 10 15 20 25 30 35 40 45
Forward Voltage Drop - VFM (V)
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
1
D = 0.75
D = 0.50
(°C/W)
thJC
Thermal Impedance - Z
0.001
D = 0.33
D = 0.25
0.1
D = 0.20
0.01
Single Pulse
(Thermal Resistance)
Notes:
1. Duty factor D = t1/ t2
2. Peak Tj = Pdm x ZthJC + Tc
0.00001 0.0001 0.001 0.01 0.1 1 10
t1 , Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance Z
Characteristics (Per Leg)
thJC
Reverse Voltage - VR (V)
P
DM
t
1
t
2
111CNQ045A
C
M
Document Number: 93201
www.vishay.com
4
Bulletin PD-20.758 rev. A 03/02
180
170
DC
160
150
Square wave (D = 0.50)
80% Rated Vr applied
140
see note (2)
Allowable Case Temperature (°C)
130
0 102030405060708090
Average Forward Current - I
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
10000
(A)
FSM
1000
Non-Repetitive Surge Current - I
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
Average Power Loss (Watts)
(A)
F(AV)
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
100
10 100 1000 10000
Square Wave Pulse Duration - tp (microsec)
L
50
D = 0.75
D = 0.50
D = 0.33
40
D = 0.25
D = 0.20
30
RMS Limit
DC
20
10
0
0 1020304050607080
Average Forward Current - I
F(AV)
(A)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
DUT
URRENT
ONITOR
(2) Formula used: TC = TJ - (Pd + Pd
Pd = Forward Power Loss = I
Pd
= Inverse Power Loss = VR1 x IR (1 - D); IR @ V
REV
F(AV)
IRFP460
Rg = 25 ohm
Fig. 8 - Unclamped Inductive Test Circuit
) x R
thJC
;
F(AV)
/ D) (see Fig. 6);
= 80% rated V
R1
REV
x VFM @ (I
HIGH-SPEED
SWITCH
FREE-WHEEL
DIODE
40HFL40S02
R
+
Vd = 25 Volt
Outline Table
Document Number: 93201
www.vishay.com
5
111CNQ045A
Bulletin PD-20.758 rev. A 03/02
Dimensions are in millimeters and (inches)
Outline D61-8-SM
Dimensions are in millimeters and (inches)
Outline D61-8
111CNQ045A
Document Number: 93201
www.vishay.com
6
Bulletin PD-20.758 rev. A 03/02
Outline Table
Dimensions are in millimeters and (inches)
Outline D61-8-SL
Marking Information
THIS IS A 111CNQ045A WITH
LOT CODE 89 09
ASSEMBLED ON WW 45, 2000
IN THE ASSEMBLY LI NE "A"
INTERNATIONAL
RECTIFIER
LOGO
ASSEMBLY
LOT CODE
PART NUMBER
111CNQ045A
89 09 045A
DATE CODE
YEAR 0 = 2000
WEEK 45
LINE A
111CNQ045A
Document Number: 93201
www.vishay.com
7
Bulletin PD-20.758 rev. A 03/02
This product has been designed and qualified for Industrial Level.
Data and specifications subject to change without notice.
Qualification Standards can be found on IR's Web site.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7309
03/02
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