UH1B Vishay, UH1B Datasheet - Page 3

• Manufacturer Part Number: UH1B
• Description: Surface Mount Ultrafast Rectifiers
• Manufacturer: Vishay

RATINGS AND CHARACTERISTICS CURVES
(T
Document Number: 89111
Revision: 12-Jun-08
A
= 25 °C unless otherwise noted)
Figure 3. Typical Instantaneous Forward Characteristics
0.01
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
1.2
1.0
0.8
0.6
0.4
0.2
0.1
0.1
Figure 1. Maximum Forward Current Derating Curve
10
0
0
1
0.2
95
0
Figure 2. Forward Power Loss Characteristics
T
T
at the Cathode Band Terminal
A
L
= 175 °C
105
0.4
Measured
T
0.2
A
Instantaneous Forward Voltage (V)
= 150 °C
D = 0.1
Average Forward Current (A)
115
0.6
Lead Temperature (°C)
0.4
T
D = 0.2
A
125
T
0.8
= 125 °C
A
= 25 °C
D = 0.3
T
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A
135
0.6
1.0
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= 100 °C
D = 0.5
145
D = t
1.2
0.8
p
/T
155
1.4
D = 0.8
T
1.0
t
p
D = 1.0
165
1.6
175
1.2
1.8
1000
1000
0.01
100
100
100
0.1
10
10
10
1
1
1
0.01
0.1
10
Figure 6. Typical Transient Thermal Impedance
Junction to Ambient
Vishay General Semiconductor
Figure 4. Typical Reverse Characteristics
Percent of Rated Peak Reverse Voltage (%)
Figure 5. Typical Junction Capacitance
20
T
A
30
= 175 °C
0.1
UH1B, UH1C & UH1D
T
A
t - Pulse Duration (s)
Reverse Voltage (V)
40
= 125 °C
1
T
T
T
A
A
A
50
= 150 °C
= 100 °C
= 25 °C
1
60
70
10
T
f = 1.0 MHz
V
J
sig
= 25 °C
10
= 50 mVp-p
80
90
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100
100
100
3