CPT40030 - CPT40050
A
R
G
Baseplate
A=Common Anode
B
Q
N
W
Baseplate
Common Cathode
U
C
H
V
E
Baseplate
D=Doubler
Notes:
Baseplate: Nickel plated
copper
Repetitive Peak
Reverse Voltage
30V
35V
40V
45V
Schottky PowerMod
Dim. Inches
Min.
A
B
C
E
F
G
H
N
Q
R
U
V
W
Millimeters
Min.
Max.
Notes
Max.
F
U
---
3.630
0.700
0.800
---
0.630
0.120
0.130
0.490
0.510
1.375 BSC
0.010
---
---
---
0.275
0.290
3.150 BSC
0.600
---
0.312
0.340
0.180
0.195
---
92.20
20.32
17.78
---
16.00
3.30
3.05
12.95
12.45
34.92 BSC
---
0.25
---
---
7.37
6.99
80.01 BSC
---
15.24
8.64
7.92
4.95
4.57
1/4-20
Dia.
Dia.
Microsemi
Catalog Number
CPT40030*
CPT40035*
CPT40040*
CPT40045*
Industry
Part Number
401CNQ035
MBR40035CT
401CNQ040
MBR40040CT
401CNQ045
MBR40045CT
Working Peak
Reverse Voltage
30V
35V
40V
45V
Schottky Barrier Rectifier
Guard Ring Protection
400 Amperes/ 30 to 50 Volts
175°C Junction Temperature
Reverse Energy Tested
ROHS Compliant
CPT40050*
50V
50V
*Add Suffix A for Common Anode, D for Doubler
Electrical Characteristics
I F(AV) 400 Amps
Average forward current per pkg
I F(AV) 200 Amps
Average forward current per leg
I FSM 3000 Amps
Maximum surge current per leg
Maximum repetitive reverse current per leg I R(OV) 2 Amps
VFM
0.78 Volts
Max peak forward voltage per leg
VFM
0.62 Volts
Max peak forward voltage per leg
I RM
100 mA
Max peak reverse current per leg
I RM
Max peak reverse current per leg
5.0 mA
CJ
Typical junction capacitance per leg
7200 pF
TC = 127°C, Square wave, R0JC = 0.16°C/W
TC = 127°C, Square wave, R0JC = 0.32°C/W
8.3ms, half sine, TJ = 175°C
f = 1 KHZ, 25°C, 1µsec square wave
I FM = 200A: J = 25°C*
T
I FM = 200A: J - 175°C*
T
VRRM, TJ = 125°C*
VRRM, TJ = 25°C
VR = 5.0V,T C = 25°C
*Pulse test: Pulse width 300µsec, Duty cycle 2%
Thermal and Mechanical Characteristics
Storage temp range
Operating junction temp range
Max thermal resistance per leg
Max thermal resistance per pkg
Typical thermal resistance (greased)
Terminal Torque
Mounting Base Torque (outside holes)
Mounting Base Torque (center hole)
center hole must be torqued first
Weight
T STG
TJ
R OJC
R OJC
R OCS
-55°C to 175°C
-55°C to 175°C
0.32°C/W Junction to case
0.16°C/W Junction to case
0.08°C/W Case to sink
35-50 inch pounds
30-40 inch pounds
8-10 inch pounds
2.8 ounces (72 grams) typical
www.microsemi.com
January, 2010 - Rev. 7
CPT40030 - CPT40050
Figure 1
Typical Forward Characteristics - Per Leg
10,000
8000
6000
Junction Capacitance - pF
4000
Figure 3
Typical Junction Capacitance - Per Leg
100,000
60,000
40,000
20,000
10,000
6000
4000
2000
1000
0.1
2000
1000
800
600
400
Instantaneous Forward Current - Amperes
0.5
1.0
5.0
10
50
100
Reverse Voltage - Volts
Figure 4
200
Maximum Allowable Case Temperature - C
175 C
25 C
Forward Current Derating - Per Leg
175
165
155
145
135
125
115
105
60
0
60
90
120
120
180
180
240
DC
300
100
80
60
40
20
10
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
Instantaneous Forward Voltage - Volts
Average Forward Current - Amperes
Figure 2
Typical Reverse Characteristics - Per Leg
1000
Typical Reverse Current - mA
100
10
1.0
0.1
.01
175 C
Maximum Power Dissipation - Watts
Figure 5
Maximum Forward Power Dissipation - Per Leg
210
180
150
120
90
60
30
0
0
60
120
180
240
300
Average Forward Current - Amperes
60
90
120
180
DC
125 C
75 C
25 C
0
10
20
30
40
50
Reverse Voltage - Volts
www.microsemi.com
January, 2010 - Rev. 7
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