BL
FEATURES
GALAXY ELECTRICAL
40CPQ035
---
40CPQ045
VOLTAGE RANGE: 35 -
45
V
CURRENT:
40
A
DUAL
SCHOTTKY RECTIFIERS
High s urge capacity.
For us e in low voltage, high frequency inverters , free
111wheeling,
and polarity protection applications .
Metal s ilicon junction, m ajority carrier conduction.
High current capacity, low forward voltage drop.
Guard ring for over voltage protection.
TO-220AB
MECHANICAL DATA
Cas e:JEDEC TO-220AB,m olded plas tic body
Term inals :Leads, s olderable per MIL-STD-750,
1 1
Method 2026
Polarity: As m arked
Weight: 0.08 ounce, 2.24 gram s
Pos ition: Any
mm
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
am bient tem perature unles s otherwis e s pecified.
40CPQ035
Maximum recurrent peak reverse voltage
Maximum RMS V oltage
Maximum DC blocking voltage
Maximum average forw ard total device11111111
m
rectified current @T
C
= 105°C
per leg
Peak forw ard surge current 8.3ms single half
b
sine-w ave superimposed on rated load
Maximum forw ard
voltage per leg
(NOTE 1)
(I
F
=
20A
,T
C
=
150
(I
F
=20A ,T
C
=25
)
)
40CPQ040
40
28
40
40.0
20.0
400.0
40CPQ045
45
32
45
UNITS
V
V
V
A
A
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
35
25
35
0.48
V
F
0.55
V
Maximum reverse current
at rated DC blocking voltage
Maximum thermal resistance
@T
A
=25
@T
A
=150
per leg
(NOTE 2)
I
R
R
θJC
T
J
T
STG
2.0
1000.0
mA
/W
2.0
-
55
---- +
1
150
-
55
---- +
150
Operating junction temperature range
Storage temperature range
NOTE: 1. Pulse test:300μs pulse width,1% duty cy cle.
2.Thermal
resistance from junction to case.
www.galaxycn.com
Document Number 0267010
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
Fig. 1 - Max. Forward Voltage Drop Characteristics(Per Leg)
10
00
10
00
10
0
40CPQ035---40CPQ045
Fig. 2 - Typical Values Of Reverse Curren t
Vs. Reverse Voltage (Per Leg)
T =1 0 C
5°
J
1 5C
2°
1 0C
0°
7°
5C
5°
0C
Reverse Current - I
R
(mA)
1
0
1
.1
.0
1
.0 1
0
0
10
0
2°
5C
Instantaneous Forward Current - I
F
(A)
1
0
T =1 0 C
5°
J
T =1 5 C
2°
J
T= 2°
5C
J
1
5
1 1 2 2 3 3 4
4
0 5 0 5 0 5
0 5
Reverse Voltage - V
R
(V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
100
00
Junction Capacitance - C
T
(pF)
T =2 °
5C
J
10
00
.1
0
.2
.4
.6
.8
1
1
.2
1
.4
Forward Voltage Drop - V
FM
(V)
10
0
0
1
0
2
0
3
0
4
0
5
0
Reverse Voltage - V
R
(V)
Fig. 4 - Max. Thermal Impedance
1
0
Z
θJC
Characteristics (Per Leg)
(°C/W)
Θ
JC
1
D=0 0
.5
D=0 3
.3
P
M
D
Thermal Impedance - Z
.1
D=0 5
.2
D=0 7
.1
D=0 8
.0
t
1
t2
N te :
o s
1 D tyfa to D= t1/ t2
. u
c r
.0
1
S g P ls
in le u e
(T e a R s ta c )
h rm l e is n e
.0 1
0
.0 0 1
00
.0 0
01
.0 1
0
.0
1
.1
2 P a T =P xZ
. ek
+T
J D
M th C C
J
1
1
0
10
0
t , Rectangular Pulse Duration (Seconds)
www.galaxycn.com
Doument Number 0267010
BL
GALAXY ELECTRICAL
2.
RATINGS AND CHARACTERISTIC CURVES
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
15
5
R J (D ) =1 5 C
.2 ° /W
th C C
40CPQ035---40CPQ045
Fig. 6 - Forward Power Loss Characteristics(Per Leg)
Allowabe case temperature
- (°C)
l
1
4
10
5
15
4
Average Power Loss - (Watts)
D=0 8
.0
D=0 7
.1
1
2
D=0 5
.2
D=0 3
.3
1
0
D=0 0
.5
8
6
4
2
0
0
R SL it
M im
D
C
10
4
D
C
15
3
10
3
0
5
1
0
1
5
2
0
2
5
3
0
5
1
0
1
5
2
0
2
5
3
0
Average Forward Current - I
F(AV)
(A)
Average Forward Current - I
F(AV)
(A)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
10000
Non-Repetitive Surge Current - I
FSM
(A)
1000
At Any Rated Load Condition
And With Rated V
RRM
Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
www.galaxycn.com
Doument Number 0267010
BL
GALAXY ELECTRICAL
3.
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