Datasheet

1N4933, 1N4934, 1N4935, 1N4936, 1N4937
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Vishay General Semiconductor
Revision: 24-Jul-13
2
Document Number: 88508
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Note
(1)
Thermal resistance from junction to ambient and from junction to lead at 0.375" (9.5 mm) lead length, P.C.B. mounted
RATINGS AND CHARACTERISTICS CURVES (T
A
= 25 °C unless otherwise noted)
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
THERMAL CHARACTERISTICS (T
A
= 25 °C unless otherwise noted)
PARAMETER SYMBOL 1N4933 1N4934 1N4935 1N4936 1N4937 UNIT
Typical thermal resistance
R
JA
(1)
55
°C/W
R
JL
(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)
Average Forward Rectied Current (A)
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)
Average Power Loss (W)
D = t
p
/T t
p
T
D = 0.1
D = 0.2
D = 0.3
D = 0.5
D = 0.8
D = 1.0
Peak Forward Surge Current (A)
1
10
100
0
10
20
30
Number of Cycles at 60 Hz
1.0 Cycle
T
A
= 75 °C
8.3 ms Single Half Sine-Wave
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0.01
0.1
1
10
T
J
= 25 °C
Pulse Width = 300 μs
1 % Duty Cycle