PD-94298B
35CGQ045
SCHOTTKY RECTIFIER
HIGH EFFICIENCY SERIES
Major Ratings and Characteristics
Characteristics
I
F(AV)
V
RRM
(Per Leg)
I
FSM
@ tp = 8.3ms half–sine (Per Leg)
V
F
@ 35Apk, T
J
= 125°C (Per Leg)
T
J
, T
stg
Operating and storage
35CGQ045 Units
35
45
200
0.94
-55 to 150
A
V
A
V
°C
35 Amp. 45V
Description/Features
The 35CGQ045 center tap Schottky rectifier has been
expressly designed to meet the rigorous requirements
of IR HiRel environments. It is packaged in the hermetic
isolated TO-254AA package. The device's forward
voltage drop and reverse leakage current are optimized
for the lowest power loss and the highest circuit efficiency
for typical high frequency switching power supplies and
resonant power converters. Full MIL-PRF-19500 quality
conformance testing is available on source control
drawings to TX, TXV and S quality levels.
Hermetically Sealed
Center Tap
Low Forward Voltage Drop
High Frequency Operation
Guard Ring for Enhanced Ruggedness and
Long term Reliability
Light Weight
CASE STYLE
3.78 [.149]
3.53 [.139]
A
13.84 [.545]
13.59 [.535]
0.12 [.005]
6.60 [.260]
6.32 [.249]
1.27 [.050]
1.02 [.040]
17.40 [.685]
16.89 [.665]
1
2
3
20.32 [.800]
20.07 [.790]
13.84 [.545]
13.59 [.535]
B
C
14.48 [.570]
12.95 [.510]
0.84 [.033]
MAX.
3X
3.81 [.150]
2X
NOTES:
1.14 [.045]
0.89 [.035]
0.36 [.014]
B A
3.81 [.150]
1.
2.
3.
4.
DIMENSIONING & TOLERANCING PER ASME Y14.5M-1994.
ALL DIMENSIONS ARE SHOWN IN MILLIMETERS [INCHES].
CONTROLLING DIMENSION: INCH.
CONFORMS TO JEDEC OUTLINE TO-254AA.
PIN ASSIGNMENTS
1 = DRAIN
2 = SOURCE
3 = GATE
Case Outline and Dimensions - TO-254AA
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35CGQ045
Voltage Ratings
Part Number
V
R
Max. DC Reverse Voltage (V) (Per Leg)
V
RRM
Max. Working Peak Reverse Voltage (V) (Per Leg)
35CGQ045
45
Absolute Maximum Ratings
Parameter
I
F(AV)
Max. Average Forward Current See Fig. 5
I
FSM
Max. Peak One Cycle Non - Repetitive
Surge Current (Per Leg)
Limits Units
35
200
A
A
Conditions
50% duty cycle @ T
C
= 114°C, square waveform
@ tp = 8.3 ms half-sine
Electrical Specifications
Parameter
Limits
0.71
0.88
V
FM
Max. Forward Voltage Drop
(Per Leg) See Fig. 1
0.68
0.92
0.65
0.94
I
RM
Max. Reverse Leakage Current
(Per Leg) See Fig. 2
Max. Junction Capacitance (Per Leg)
Typical Series Inductance (Per Leg)
0.1
7.0
26
1320
7.8
Units
V
V
V
V
V
V
mA
mA
mA
pF
nH
@ I
F
= 17.5A
@ I
F
= 35A
@ I
F
= 17.5A
@ I
F
= 35A
@ I
F
= 17.5A
@ I
F
= 35A
T
J
= 25°C
T
J
= 100°C
T
J
= 125°C
V
R
= 5V
DC
(1MHz, 25°C)
Measured from anode lead to cathode lead 6mm
(0.25 in.) from package
V
R
= rated V
R
Conditions
T
J
= -55°C
T
J
= 25°C
T
J
= 125°C
C
T
L
S
Thermal-Mechanical Specifications
Parameter
T
J
T
stg
R
thJC
R
thJC
Wt
Max. Junction Temperature Range
Max. Storage Temperature Range
Max. Thermal Resistance, Junction
to Case (Per Leg)
Max. Thermal Resistance, Junction
to Case (Per Package)
Weight (Typical)
Die Size (Typical)
Case Style
Pulse Width < 300µs, Duty Cycle < 2%
Limits
-55 to 150
-55 to 150
1.4
0.7
9.3
170 x 115
TO-254AA
Units
°C
°C
°C/W
°C/W
g
mils
DC operation
DC operation
See Fig. 4
Conditions
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35CGQ045
100
10
125°C
100°C
Reverse Current - I R ( mA )
1
75°C
0.1
0.01
25°C
0.001
100
0.0001
0
10
20
30
40
50
Reverse Voltage - V R (V)
Fig 2.
Typical Values of Reverse Current
Vs. Reverse Voltage (Per Leg)
Instantaneous Forward Current - I F (A)
10
10000
Tj = 125°C
Tj = 25°C
Junction Capacitance - CT (pF)
1000
T J = 25°C
Tj = -55°C
1
0.0
0.2
0.4
0.6
0.8
1.0
Forward Voltage Drop - V F (V)
100
0
10
20
30
40
50
Reverse Voltage -V R (V)
Fig 1.
Max. Forward Voltage Drop Characteristics
(Per Leg)
Fig 3.
Typical Junction Capacitance Vs. Reverse Voltage
(Per Leg)
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35CGQ045
10
Thermal Response (Z
thJC
)
1
D = 0.50
0.20
0.10
P
DM
t
1
t
2
SINGLE PULSE
(THERMAL RESPONSE)
0.0001
0.001
0.01
Notes:
1. Duty factor D = t
1
/ t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.1
1
10
0.1
0.05
0.02
0.01
0.01
0.00001
t
1
, Rectangular Pulse Duration (sec)
Fig 4.
Max. Thermal Impedance ZthJC Characteristics (Per Leg)
180
160
140
120
100
80
60
40
20
0
0
10
20
30
40
50
60
35CGQ045
Allowable Case Temprature - (°C)
R thJC = 0.7°C/W
DC
Average Forward Current - I F(AV) (A)
Fig 5.
Max. Allowable Case Temperature Vs.
Average Forward Current (Per Package)
IR HiRel Headquarters:
101 N. Sepulveda Blvd., El Segundo, California 90245, USA Tel: (310) 252-7105
IR HiRel Leominster:
205 Crawford St., Leominster, Massachusetts 01453, USA Tel: (978) 534-5776
IR HiRel San Jose:
2520 Junction Avenue, San Jose, California 95134, USA Tel: (408) 434-5000
Data and specifications subject to change without notice.
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35CGQ045
IMPORTANT NOTICE
The information given in this document shall be in no event regarded as guarantee of conditions or characteristic. The
data contained herein is a characterization of the component based on internal standards and is intended to
demonstrate and provide guidance for typical part performance. It will require further evaluation, qualification and
analysis to determine suitability in the application environment to confirm compliance to your system requirements.
With respect to any example hints or any typical values stated herein and/or any information regarding the application of
the product, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind including without
limitation warranties on non- infringement of intellectual property rights and any third party.
In addition, any information given in this document is subject to customer’s compliance with its obligations stated in this
document and any applicable legal requirements, norms and standards concerning customer’s product and any use of
the product of Infineon Technologies in customer’s applications.
The data contained in this document is exclusively intended for technically trained staff. It is the responsibility of any
customer’s technical departments to evaluate the suitability of the product for the intended applications and the
completeness of the product information given in this document with respect to applications.
For further information on the product, technology, delivery terms and conditions and prices, please contact your local
sales representative or go to (www.infineon.com/hirel).
WARNING
Due to technical requirements products may contain dangerous substances. For information on the types in question,
please contact your nearest Infineon Technologies office.
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