81CNQ International Rectifier, 81CNQ Datasheet - Page 3

• Manufacturer Part Number: 81CNQ
• Description: SCHOTTKY RECTIFIER 80 Amp
• Manufacturer: International Rectifier

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1000
100
0.1
10
1
0
Fig. 1 - Max. Forward Voltage Drop Characteristics
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0.01
0.1
0.00001
Forward Voltage Drop - V
1
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08
Fig. 4 - Max. Thermal Impedance Z
0.0001
(Per Leg)
(Thermal Resistance)
Single Pulse
t , Rectangular Pulse Duration (Seconds)
T = 175°C
T = 125°C
T = 25°C
J
J
J
0.001
1
FM
(V)
0.01
1
thJC
Characteristics (Per Leg)
0.1
10000
0.001
1000
1000
Notes:
1. Duty factor D = t / t
2. Peak T = P
0.01
100
100
0.1
10
1
Fig. 2 - Typical Values Of Reverse Current
0
0
1
Fig. 3 - Typical Junction Capacitance
J
T = 175°C
5
J
Vs. Reverse Voltage (Per Leg)
Vs. Reverse Voltage (Per Leg)
P
DM
10
DM
150°C
125°C
100°C
10
Reverse Voltage - V
Reverse Voltage - V (V)
75°C
50°C
25°C
1 t
x Z
2 t
10
15
thJ C
1
20
T = 25°C
81CNQ... Series
PD-2.237 rev. B
20 25 30
J
+ T
2
C
100
30
R
R
(V)
35 40
40
01/99
3
50
45