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Document Number: 88508

2

Revision: 27-Oct-09

1N4933 thru 1N4937

Vishay General Semiconductor

Note

RATINGS AND CHARACTERISTICS CURVES

Fig. 1 - Forward Current Derating Curves

Fig. 2 - Forward Power Loss Characteristics

Fig. 3 - Maximum Non-repetitive Peak Forward Surge Current

Fig. 4 - Typical Instantaneous Forward Characteristics

PARAMETER

SYMBOL

1N4933

1N4934

1N4935

1N4936

1N4937

UNIT

Typical thermal resistance

(1)

55

°C/W

(1)

25

ORDERING INFORMATION (Example)

PREFERRED P/N

UNIT WEIGHT (g)

PREFERRED PACKAGE CODE

BASE QUANTITY

DELIVERY MODE

1N4933-E3/54

0.33

54

5500

13" diameter paper tape and reel

1N4933-E3/73

0.33

73

3000

Ammo pack packaging

Ambient Temperature (°C)

0

25

50

75

100

125

150

175

0

0.2

0.4

0.6

0.8

1.0

0.375" (9.5 mm)

Lead Length

Capacitive

Loads

5.0

10

20

=

I

pk

I

AV

=

π

I

pk

I

AV

0

0.2

0.4

0.6

0.8

1.0

1.2

0

0.2

0.4

0.6

0.8

1.0

1.2

Average Forward Current (A)

D = t

t

p

T

D = 0.1

D = 0.2

D = 0.3

D = 0.5

D = 0.8

D = 1.0

1

10

100

0

10

20

30

Number of Cycles at 60 Hz

1.0 Cycle

T

8.3 ms Single Half Sine-Wave

Instantaneous Forward Voltage (V)

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0.01

0.1

1

10

T

Pulse Width = 300 μs

1 % Duty Cycle