New Product

U3B, U3C & U3D

Vishay General Semiconductor

Document Number: 89066

Revision: 30-May-08

For technical questions within your region, please contact one of the following:

PDD-Americas@vishay.com, PDD-Asia@vishay.com, PDD-Europe@vishay.com

www.vishay.com

3

PACKAGE OUTLINE DIMENSIONS in inches (millimeters)

Figure 3. Typical Instantaneous Forward Characteristics

Figure 4. Typical Reverse Leakage Characteristics

0.1

100

Instantaneous Forward Voltage (V)

0.01

0.1

0.3

0.9

1.3

T

10

0.5

0.7

1.1

T

T

T

1

T

10

100

10 000

Percent of Rated Peak Reverse Voltage (%)

10

1

0.1

1000

20

30

40

50

60

70

80

90

100

T

T

T

Figure 5. Typical Junction Capacitance

Figure 6. Typical Transient Thermal Impedance

0.1

100

Reverse Voltage (V)

10

1

10

100

T

f = 1.0 MHz

V

0.001

1

100

t - Pulse Duration (s)

1

0.01

0.1

1

10

100

10

Junction to Ambient

Cathode Band

DO-214AB (SMC)

0.126 (3.20)

0.114 (2.90)

0.246 (6.22)

0.220 (5.59)

0.280 (7.11)

0.260 (6.60)

0.012 (0.305)

0.006 (0.152)

0.008 (0.2)

0 (0)

0.320 (8.13)

0.305 (7.75)

0.060 (1.52)

0.030 (0.76)

0.103 (2.62)

0.079 (2.06)

Mounting Pad Layout

0.126 (3.20) MIN.

0.060 (1.52) MIN.

0.185 (4.69) MAX.

0.320 REF.