ROHS Compliant
Thermal and Mechanical Characteristics
*Pulse test: Pulse width 300µsec, Duty cycle 2%
Reverse Voltage
Repetitive Peak
Electrical Characteristics
9800 pF
8.0 mA
200 mA
0.55 Volts
0.70 Volts
2 Amps
5000 Amps
250 Amps
500 Amps
copper
Baseplate: Nickel plated
D=Doubler
Baseplate
A=Common Anode
Baseplate
Common Cathode
Baseplate
CPT50035 - CPT50050
Schottky PowerMod
*Add Suffix A for Common Anode, D for Doubler
Average forward current per pkg
Average forward current per leg
Maximum surge current per leg
Max peak forward voltage per leg
Max peak forward voltage per leg
Max peak reverse current per leg
Max peak reverse current per leg
Typical junction capacitance per leg
Maximum repetitive reverse current per leg
Mounting Base Torque (center hole)
center hole must be torqued first
Weight
Mounting Base Torque (outside holes)
Terminal Torque
Typical thermal resistance (greased)
Max thermal resistance per leg
Operating junction temp range
Storage temp range
STG
OCS
OJC
R
R
T
J
T
C
J
F(AV)
FSM
R(OV)
V
I
I
RM
RM
FM
V
I
I
FM
F(AV)
I
I
Catalog Number
H
Q
Working Peak
Reverse Voltage
40V
45V
50V
35V
CPT50040*
CPT50045*
CPT50050*
CPT50035*
Microsemi
U
N
W
F
V
Notes:
E
50V
45V
40V
35V
U
C
B
G
R
A
C = 134°C, Square wave, 0JC = 0.12°C/W
C = 134°C, Square wave, 0JC = 0.24°C/W
30-40 inch pounds
8-10 inch pounds
2.8 ounces (78 grams) typical
Case to sink
Junction to case
-55°C to 175°C
-55°C to 175°C
35-50 inch pounds
8.3ms, half sine, J = 175°C
f = 1 KHZ, 25°C, 1µsec square wave
FM = 250A: J = 25°C
FM = 250A: J = 175°C
RRM, J = 125°C*
R = 5.0V, C = 25°C
0.08°C/W
0.24°C/W
V
T
RRM, J = 25°C
V
V
I
I
T
T
T
T
T
T
T
R
R
Dia.
Dia.
Notes
1/4-20
0.680
0.800
0.130
0.510
---
0.290
---
0.340
0.195
3.150 BSC
---
N
U
0.600
0.312
0.180
W
V
0.275
---
Q
R
1.375 BSC
0.490
0.010
G
H
F
0.700
---
0.120
C
E
B
34.92 BSC
80.01 BSC
15.24
7.92
4.57
---
6.99
17.78
---
3.05
12.45
0.25
7.37
---
8.64
4.95
---
17.28
20.32
3.30
12.95
---
Dim. Inches
3.630
Max.
Min.
---
A
Millimeters
---
Min.
92.20
Max.
Max thermal resistance per pkg
OJC
R
Junction to case
0.12°C/W
500 Amperes/35 to 50 Volts
175°C Junction Temperature
Reverse Energy Tested
Guard Ring Protection
Schottky Barrier Rectifier
January, 2010 - Rev. 5
www.microsemi.com
CPT50035 - CPT50050
Instantaneous Forward Current - Amperes
Typical Reverse Current - mA
Reverse Voltage - Volts
20
.01
0.1
25 C
0
75 C
10
30 40 50
0.8
Instantaneous Forward Voltage - Volts
Typical Reverse Characteristics - Per Leg
1.0
10
125 C
100
1000
175 C
10
Figure 2
0.2
20
0.60.4
1.21.0 1.4 1.6
4000
25 C
175 C
100
40
60
80
200
400
600
800
1000
2000
Typical Forward Characteristics - Per Leg
6000
8000
10,000
Figure 1
150
Maximum Allowable Case Temperature - C
60
Maximum Power Dissipation - Watts
Average Forward Current - Amperes
0
0
30
100
300200 400
90
Average Forward Current - Amperes
Maximum Forward Power Dissipation - Per Leg
Figure 5
150
90
120
180
210
60
0
120
130
140
100
60
120
180
DC
300200
120
90
180
400
DC
500
500
20,000
Junction Capacitance - pF
Reverse Voltage - Volts
Forward Current Derating - Per Leg
Figure 4
180
160
170
190
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. 5
www.microsemi.com
