ROHS Compliant
Thermal and Mechanical Characteristics
300 Amps
150 Amps
2000 Amps
2 Amps
0.70 Volts
0.76 Volts
75 mA
4.0 mA
4600 pF
copper
Baseplate: Nickel plated
D=Doubler
Baseplate
A=Common Anode
Baseplate
Common Cathode
Baseplate
CPT30035 - CPT30050
Schottky PowerMod
*Pulse test: Pulse width 300µsec, Duty cycle 2%
Electrical Characteristics
Repetitive Peak
Reverse Voltage
*Add Suffix A for Common Anode, D for Doubler
Storage temp range
Operating junction temp range
Max thermal resistance per leg
Terminal Torque
Mounting Base Torque (outside holes)
Weight
center hole must be torqued first
Mounting Base Torque (center hole)
Maximum repetitive reverse current per leg
Typical junction capacitance per leg
Max peak reverse current per leg
Max peak reverse current per leg
Max peak forward voltage per leg
Max peak forward voltage per leg
Maximum surge current per leg
Average forward current per leg
Average forward current per pkg
OJC
STG
R
T
J
T
C
J
F(AV)
R(OV)
FSM
V
I
I
RM
RM
FM
V
I
I
FM
F(AV)
I
I
Catalog Number
H
Q
35V
50V
45V
40V
Reverse Voltage
Working Peak
CPT30035*
CPT30050*
CPT30045*
CPT30040*
Microsemi
U
N
W
F
V
Notes:
E
35V
40V
45V
50V
U
C
B
G
R
A
C = 136°C, Square wave, 0JC = 0.40°C/W
C = 136°C, Square wave, 0JC = 0.20°C/W
30-40 inch pounds
2.8 ounces (75 grams) typical
8-10 inch pounds
35-50 inch pounds
-55°C to 175°C
-55°C to 175°C
Junction to case
R = 5.0V, C = 25°C
RRM, J = 125°C*
FM = 200A: J = 25°C*
FM = 200A: J = 125°C*
f = 1 KHZ, 25°C
8.3ms, half sine, J = 175°C
0.40°C/W
V
T
RRM, J = 25°C
V
V
I
I
T
T
T
T
T
T
R
R
1/4-20
Notes
Dia.
Dia.
---
3.150 BSC
0.195
0.340
---
0.290
---
0.510
0.130
0.630
0.800
175°C Junction Temperature
Reverse Energy Tested
300 Amperes/35 to 50 Volts
Guard Ring Protection
Schottky Barrier Rectifier
N
0.600
U
0.180
0.312
W
V
---
0.275
Q
R
1.375 BSC
0.010
0.490
G
H
F
0.120
---
0.700
C
E
B
80.01 BSC
34.92 BSC
---
4.57
7.92
15.24
6.99
0.25
12.45
3.05
---
17.78
---
4.95
8.64
---
7.37
---
12.95
3.30
16.00
20.32
Max.
3.630
Dim. Inches
Min.
---
A
Millimeters
Min.
---
Max.
92.20
Typical thermal resistance (greased)
Case to sink
0.08°C/W
OCS
R
Max thermal resistance per pkg
OJC
R
Junction to case
0.20°C/W
Part Number
301CNQ035
Industry
301CNQ040
301CNQ045
MBRP30045CT
T
January, 2010 - Rev. 4
www.microsemi.com
CPT30035 - CPT30050
Instantaneous Forward Current - Amperes
Typical Reverse Current - mA
Reverse Voltage - Volts
20
0.1
.01
25 C
0
75 C
10
30 40 50
0.6
Instantaneous Forward Voltage - Volts
Typical Reverse Characteristics - Per Leg
10
1.0
125 C
100
1000
175 C
1.0
Figure 2
0
2.0
0.40.2
1.0
0.8
1.2 1.4
400
10
4.0
6.0
8.0
20
100
80
40
60
200
175 C
25 C
Typical Forward Characteristics - Per Leg
600
800
1000
Figure 1
Maximum Allowable Case Temperature - C
135
40
Maximum Power Dissipation - Watts
Average Forward Current - Amperes
0
0
20
50
150100
200
60
Average Forward Current - Amperes
Maximum Forward Power Dissipation - Per Leg
Figure 5
100
60
80
120
140
0
105
115
125
50
180
60
90
120
DC
180
150100
90
120
200
DC
250
250
20,000
Junction Capacitance - pF
Reverse Voltage - Volts
Forward Current Derating - Per Leg
Figure 4
165
145
155
175
0.1
1000
2000
6000
4000
10,000
0.5
1.0
5.0
10
50
Typical Junction Capacitance - Per Leg
100,000
Figure 3
40,000
60,000
100
January, 2010 - Rev. 4
www.microsemi.com
