PD -94304B
SCHOTTKY RECTIFIER
HIGH EFFICIENCY SERIES
30CLJQ045
30 Amp, 45V
Major Ratings and Characteristics
Characteristics
I
F(AV)
V
RRM
(Per Leg)
I
FSM
@ tp = 8.3ms half-sine
(Per Leg)
V
F
@ 30Apk, T
J
=125°C
(Per Leg)
30CLJQ045 Units
30
45
85
A
V
A
Description/Features
The 30CLJQ045 center tap Schottky rectifier has been
expressly designed to meet the rigorous requirements of hi-
rel environments. It is packaged in the hermetic surface
mount SMD-0.5 ceramic 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
resonent 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
• Surface Mount
• Lightweight
0.95
V
T
J
, T
stg
Operating and storage
-55 to 150
°C
CASE STYLE
2
1
3
ANODE COMMON ANODE
CATHODE
Case Outine and Dimensions - SMD-0.5
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1
09/16/02
30CLJQ045
Voltage Ratings
Part number
V
R
Max. DC Reverse Voltage (V) (Per Leg)
V
RWM
Max. Working Peak Reverse Voltage (V) (Per Leg)
30CLJQ045
45
Absolute Maximum Ratings
Parameters
I
F(AV)
Max. Average Forward Current
See Fig. 5
I
FSM
Max. Peak One Cycle Non - Repetitive
Surge Current (Per Leg)
85
A
@ t
p
= 8.3 ms half-sine
Limits
30
Units
A
Conditions
50% duty cycle @ T
C
= 87°C, square waveform
Electrical Specifications
Parameters
V
FM
Max. Forward Voltage Drop
(Per Leg) See Fig. 1Q
Limits
0.72
0.81
1.09
0.68
0.8
1.09
0.62
0.72
0.95
Units
V
V
V
V
V
V
V
V
V
mA
mA
mA
pF
nH
@ 10A
@ 15A
@ 30A
@ 10A
@ 15A
@ 30A
@ 10A
@ 15A
@ 30A
T
J
= 25°C
T
J
= 100°C
T
J
= 125°C
Conditions
T
J
= -55°C
T
J
= 25°C
T
J
= 125°C
I
RM
Max. Reverse Leakage Current
(Per Leg) See Fig. 2Q
0.08
2.8
10
V
R
= rated V
R
C
T
L
S
Max. Junction Capacitance (Per Leg)
Typical Series Inductance (Per Leg)
375
4.8
V
R
= 5V
DC
( 1MHz, 25°C )
Measured from center of cathode pad to center
of anode pad
Thermal-Mechanical Specifications
Parameters
T
J
T
stg
Max.Junction Temperature Range
Max. Storage Temperature Range
to Case (Per Leg)
R
thJC
Max. Thermal Resistance, Junction
to Case (Per Package)
wt
Weight (Typical)
Die Size (Typical)
Case Style
Q
Pulse Width < 300µs, Duty Cycle < 2%
1.0
70X92
SMD-0.5
g
mils
1.75
°C/W
DC operation
Limits Units
-55 to 150
-55 to 150
3.5
°C
°C
°C/W
DC operation
Conditions
R
thJC
Max. Thermal Resistance, Junction
See Fig. 4
2
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30CLJQ045
10
125°C
Reverse Current - I R ( mA )
1
100°C
75°C
100
0.1
0.01
25°C
0.001
0.0001
Instantaneous Forward Current - I F (A)
0
10
20
30
40
50
Reverse Voltage - V R (V)
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage (Per Leg)
10
1000
Tj = 25°C
Tj = -55°C
Junction Capacitance - CT (pF)
Tj = 125°C
T J = 25°C
1
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Forward Voltage Drop - V F (V)
100
0
10
20
30
40
50
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
Reverse Voltage -VR (V)
Fig. 3 - Typical Junction Capacitance Vs.
Reverse Voltage (Per Leg)
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3
30CLJQ045
10
Thermal Response (Z
thJC
)
D = 0.50
1
0.20
0.10
0.05
0.1
0.02
0.01
SINGLE PULSE
(THERMAL RESPONSE)
0.01
0.00001
Notes:
1. Duty factor D = t
1
/ t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.1
0.0001
0.001
0.01
1
P
DM
t
1
t
2
t
1
, Rectangular Pulse Duration (sec)
Fig. 4 - Max. Thermal Impedance Z
thJC
Characteristics (Per Leg)
180
Allowable Case Temprature - (°C)
160
140
120
100
80
60
40
20
0
0
10
20
30CLJQ045
R thJC = 1.75°C/W
DC
30
40
50
Average Forward Current - I F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature Vs.
Average Forward Current
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TAC Fax: (310) 252-7903
Visit us at www.irf.com for sales contact information.
Data and specifications subject to change without notice. 9/02
4
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