CPT30035 - CPT30050
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
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
0.800
0.700
0.630
---
0.130
0.120
0.510
0.490
1.375 BSC
---
0.010
---
---
0.290
0.275
3.150 BSC
---
0.600
0.340
0.312
0.195
0.180
---
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
Industry
Repetitive Peak
Working Peak
Catalog Number Part Number Reverse Voltage Reverse Voltage
CPT30035*
CPT30040*
CPT30045*
CPT30050*
301CNQ035
301CNQ040
301CNQ045
MBRP30045CT
35V
40V
45V
50V
35V
40V
45V
50V
Schottky Barrier Rectifier
Guard Ring Protection
300 Amperes/35 to 50 Volts
175°C Junction Temperature
Reverse Energy Tested
ROHS Compliant
*Add Suffix A for Common Anode, D for Doubler
Electrical Characteristics
I F(AV) 300 Amps
Average forward current per pkg
I F(AV) 150 Amps
Average forward current per leg
I FSM 2000 Amps
Maximum surge current per leg
Maximum repetitive reverse current per leg I R(OV) 2 Amps
VFM
0.70 Volts
Max peak forward voltage per leg
VFM
0.76 Volts
Max peak forward voltage per leg
I RM
75 mA
Max peak reverse current per leg
I RM
Max peak reverse current per leg
4.0 mA
CJ
Typical junction capacitance per leg
4600 pF
TC = 136°C, Square wave, R0JC = 0.20°C/W
TC = 136°C, Square wave, R0JC = 0.40°C/W
8.3ms, half sine, TJ = 175°C
f = 1 KHZ, 25°C
I FM = 200A: J = 125°C*
T
I FM = 200A: J = 25°C*
T
VRRM, TJ = 125°C*
VRRM, TJ = 25°C
VR = 5.0V,TC = 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
0.40°C/W Junction to case
0.20°C/W Junction to case
0.08°C/W Case to sink
35-40 inch pounds
30-40 inch pounds
8-10 inch pounds
2.8 ounces (75 grams) typical
www.microsemi.com
September, 2014 - Rev. 6
CPT30035 - CPT30050
Figure 1
Typical Forward Characteristics - Per Leg
1000
800
600
Junction Capacitance - pF
400
Figure 3
Typical Junction Capacitance - Per Leg
100,000
60,000
40,000
20,000
10,000
6000
4000
2000
1000
0.1
200
175 C
25 C
100
80
60
40
Instantaneous Forward Current - Amperes
0.5
1.0
5.0
10
50
100
Reverse Voltage - Volts
Figure 4
20
Maximum Allowable Case Temperature - C
Forward Current Derating - Per Leg
175
165
155
145
135
125
115
105
60
0
50
90
100
120 180
150
200
DC
250
10
8.0
6.0
4.0
2.0
1.0
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
100 175 C
10
125 C
1.0
0.1
.01
75 C
25 C
0
10
20
30
40
50
Maximum Power Dissipation - Watts
Figure 5
Maximum Forward Power Dissipation - Per Leg
140
120
100
80
60
40
20
0
0
50
100
150
200
250
Average Forward Current - Amperes
60
90
120
180
DC
Reverse Voltage - Volts
www.microsemi.com
September, 2014 - Rev. 6
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