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SCHOTTKY RECTIFIER 35* Amp
Major Ratings and Characteristics Desciption/Features
Characteristics 22CGQ045 Units
I
Rectangular 35* A
F(AV)
waveform
V
RRM
I
@ tp = 8.3ms sine 300 A
FSM
VF @ 20Apk, TJ = 125°C 0.70 V
(Per Leg)
TJ, T
Operating and storage -55 to 150 °C
stg
*I
current limited by pin diameter
F(AV)
45 V
PD - 20346C
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
CASE STYLE
(ISOLATED BASE)
NOTES:
1. DIMENSIONING & TOLERANCING PER ANSI Y14.5M-1982
2. ALL DIMENSIONS ARE SHOW IN MILLIMETERS (INCHES).
ANODE COMMON ANODE
CATHODE
Conforms to JEDEC Outline TO-254AA*
Dimensions in millimiters an inches
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02/17/99
22CGQ045
Voltage Ratings
Part number 22CGQ045
VRMax. DC Reverse Voltage (V) (Per Leg)
V
Max. Working Peak Reverse Voltage (V) (Per Leg)
RWM
Absolute Maximum Ratings
Parameters 22CGQ045 Units Conditions
I
Max. Average Forward Current 35* A 50% duty cycle @ TC = 100°C, rectangular waveform
F(AV)
*See Fig. 4 *I
I
Max. Peak One Cycle Non - Repetitive 300 A @ tp = 8.3 ms sine
FSM
Surge Current (Per Leg)
current limited by pin diameter
F(AV)
Electrical Specifications
Parameters
V
Max. Forward Voltage Drop 0.75 V @ 20A
FM
(Per Leg) *See Fig. 1 0.97 V @ 35A
I
Max. Reverse Leakage Current 0.5 mA TJ = 25°C
RM
(Per Leg) *See Fig. 2 20 mA T
Max. Junction Capacitance (Per Leg) 1400 pF VR = 5VDC, (test signal range 100KHz to 1MHz) 25°C
C
T
L
Typical Series Inductance (Per Leg) 8.7 n H Measured lead to lead 5mm from package body
S
22CGQ045 Units Conditions
0.70 V @ 20A
0.91 V @ 35A
= 125°C
J
T
= 25°C
J
= 125°C
T
J
= rated V
V
R
45
R
Thermal-Mechanical Specifications
Parameters 22CGQ045 Units Conditions
TJMax.Junction Temperature Range -55 to 150 °C
T
Max. Storage Temperature Range -55 to 150 °C
stg
R
Max. Thermal Resistance, Junction 1.25 °C/W DC operation *See Fig. 5
thJC
to Case (Per Leg)
R
Max. Thermal Resistance, Junction 0.625 °C/W DC operation
thJC
to Case (Per Package)
R
Typical Thermal Resistance, Case 0.21 °C/W Mounting surface, smooth and greased
thCS
to Heatsink
wt Weight (Typical) 9.3 g
Die Description (Square) 0.150 inches
Case Style TO-254AA JEDEC
Pulse Width < 300µs, Duty Cycle < 2%
2 www.irf.com
22CGQ045
A
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
100
10
( mA )
R
0.1
0.01
T = 150°C
J
125°C
1
100°C
25°C
Reverse Current - I
0.001
0.0001
0 1020304050
Reverse Voltage - V (V)
R
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. Allowable Case Temperature Vs.
Average Forward Current (Per Leg)
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22CGQ045
Fig.5 - Max. Thermal Impedance Z
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http://www.irf.com/ Data and specifications subject to change without notice. 02/99
characteristics (Per Leg)
thJC
4 www.irf.com
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