PD - 20346C
SCHOTTKY RECTIFIER
35* Amp
22CGQ045
The 22CGQ045 center tap Schottky rectifier has been
expressly designed to meet the rigorous requirements of
hi-rel environments. It is packaged in the hermetic,
isolated, TO-254AA package and has extremely low
reverse leakage at high temperature. Full MIL-PRF-19500
quality conformance testing is available on source
controlled drawings to JANTX, JANTXV, or JANS levels.
Typical applications include switching power supplies and
resonant power converters.
Hermetically sealed
Center tap
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Electrically isolated
Ceramic eyelets
Major Ratings and Characteristics
Desciption/Features
02/17/99
*I
F(AV)
current limited by pin diameter
Characteristics
22CGQ045
Units
I
F(AV)
Rectangular
35*
A
waveform
V
RRM
45
V
I
FSM
@ t
p
= 8.3ms sine
300
A
V
F
@ 20Apk, T
J
= 125C
0.70
V
(Per Leg)
T
J
, T
stg
Operating and storage
-55 to 150
C
CASE STYLE
NOTES:
1. DIMENSIONING & TOLERANCING PER ANSI Y14.5M-1982
2. ALL DIMENSIONS ARE SHOW IN MILLIMETERS (INCHES).
Conforms to JEDEC Outline TO-254AA*
Dimensions in millimiters an inches
ANODE COMMON ANODE
CATHODE
(ISOLATED BASE)
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1
22CGQ045
2
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Part number
22CGQ045
V
R
Max. DC Reverse Voltage (V) (Per Leg)
V
RWM
Max. Working Peak Reverse Voltage (V) (Per Leg)
Voltage Ratings
45
Parameters
22CGQ045
Units
Conditions
V
FM
Max. Forward Voltage Drop
0.75
V
@ 20A
(Per Leg) *See Fig. 1
0.97
V
@ 35A
0.70
V
@ 20A
0.91
V
@ 35A
I
RM
Max. Reverse Leakage Current
0.5
mA
T
J
= 25C
(Per Leg) *See Fig. 2
20
mA
T
J
= 125C
C
T
Max. Junction Capacitance (Per Leg)
1400
pF
V
R
= 5V
DC
, (test signal range 100KHz to 1MHz) 25C
L
S
Typical Series Inductance (Per Leg)
8.7
nH
Measured lead to lead 5mm from package body
T
J
= 25C
T
J
= 125C
V
R
= rated V
R
Electrical Specifications
Pulse Width < 300s, Duty Cycle < 2%
Parameters
22CGQ045
Units
Conditions
I
F(AV)
Max. Average Forward Current
35*
A
50% duty cycle @ T
C
= 100C, rectangular waveform
*See Fig. 4
*I
F(AV)
current limited by pin diameter
I
FSM
Max. Peak One Cycle Non - Repetitive
300
A
@ t
p
= 8.3 ms sine
Surge Current (Per Leg)
Absolute Maximum Ratings
Parameters
22CGQ045
Units
Conditions
T
J
Max.Junction Temperature Range
-55 to 150
C
T
stg
Max. Storage Temperature Range
-55 to 150
C
R
thJC
Max. Thermal Resistance, Junction
1.25
C/W
DC operation
*See Fig. 5
to Case (Per Leg)
R
thJC
Max. Thermal Resistance, Junction
0.625
C/W
DC operation
to Case (Per Package)
R
thCS
Typical Thermal Resistance, Case
0.21
C/W
Mounting surface, smooth and greased
to Heatsink
wt
Weight (Typical)
9.3
g
Die Description (Square)
0.150 inches
Case Style
TO-254AA JEDEC
Thermal-Mechanical Specifications
22CGQ045
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3
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
Fig. 3 - Typical Junction Capacitance Vs.
Reverse Voltage (Per Leg)
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage (Per Leg)
Fig. 4 - Max. Allowable Case Temperature Vs.
Average Forward Current (Per Leg)
Reverse Current - I
R
( mA )
0.0001
0.001
0.01
0.1
1
10
100
0
10
20
30
40
50
R
A
T = 1 5 0 C
1 2 5C
1 0 0 C
2 5 C
J
R e v e rs e V o lta g e - V (V )
22CGQ045
4
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Fig.5 - Max. Thermal Impedance Z
thJC
characteristics (Per Leg)
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http://www.irf.com/ Data and specifications subject to change without notice. 02/99
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