PD-93965C
35SCGQ045
SCHOTTKY RECTIFIER
HIGH EFFICIENCY SERIES
Major Ratings and Characteristics
Characteristics
I
F(AV)
(Per Leg)
V
RRM
(Per Leg)
I
FSM
@ tp = 8.3ms half–sine (Per Leg)
V
F
@ 30Apk, T
J
= 125°C
T
J
, T
stg
Operating and storage
35SCGQ045 Units
35
45
200
0.74
-55 to 150
A
V
A
V
°C
35 Amp. 45V
Description/Features
The 35SCGQ045 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
Lightweight
ESD Rating: Class NS per MIL-STD-750,
Method 1020
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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35SCGQ045
Voltage Ratings (Per Leg)
Part Number
V
R
Max. DC Reverse Voltage (V)
V
RRM
Max. Working Peak Reverse Voltage (V)
35SCGQ045
45
Absolute Maximum Ratings (Per Leg)
Parameter
I
F(AV)
Max. Average Forward Current See Fig. 5
I
FSM
Max. Peak One Cycle Non - Repetitive
Surge Current
Limits Units
35
200
A
A
Conditions
50% duty cycle @ T
C
= 116°C, square waveform
@ tp = 8.3 ms half-sine
Electrical Specifications (Per Leg)
Parameter
Limits
0.61
0.74
V
FM
Max. Forward Voltage Drop
See Fig. 1
0.54
0.73
0.47
I
RM
C
T
L
S
Max. Junction Capacitance
Typical Series Inductance
Max. Reverse Leakage Current
See Fig. 2
0.74
0.70
75
195
2000
7.8
Units
V
V
V
V
V
V
mA
mA
mA
pF
nH
@ I
F
= 15A
@ I
F
= 30A
@ I
F
= 15A
@ I
F
= 30A
@ I
F
= 15A
@ I
F
= 30A
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
Conditions
T
J
= -55°C
T
J
= 25°C
T
J
= 125°C
V
R
= rated V
R
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
1.25
0.63
9.3
150 x 180
TO-254AA
Units
°C
°C
°C/W
°C/W
g
mils
DC operation
DC operation
See Fig. 4
Conditions
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35SCGQ045
1000
Reverse Current - I R ( mA )
100
125°C
100°C
10
75°C
1
0.1
25°C
100
0.01
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
Junction Capacitance - CT (pF)
T J = 25°C
1000
Tj = 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 -VR (V)
Fig 1.
Max. Forward Voltage Drop Characteristics
(Per Leg)
Fig 3.
Typical Junction Capacitance Vs.
Reverse Voltage (Per Leg)
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35SCGQ045
10
Thermal Response (Z
thJC
)
1
D = 0.50
0.20
0.10
0.1
0.05
0.02
0.01
SINGLE PULSE
(THERM RESPONSE)
AL
Notes:
1. Duty factor D = t
1
/ t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.0001
0.001
0.01
0.1
1
P
DM
t
1
t
2
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
35SCGQ045
Allowable Case Temprature - (°C)
R thJC = 1.25°C/W
DC
Average Forward Current - I F(AV) (A)
Fig 5.
Max. Allowable Case Temperature Vs.
Average Forward Current (Per Leg)
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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35SCGQ045
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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