Datasheet

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, [e-mail], [e-mail] Revision: 23-Oct-09
UG4A thru UG4D
Vishay General Semiconductor
Note
(1)
Pulse test: 300 μs pulse width, 1 % duty cycle
Note
(1)
Thermal resistance from junction to ambient at 0.375" (9.5 mm) lead length
RATINGS AND CHARACTERISTICS CURVES
(T
A
= 25 °C unless otherwise noted)
Fig. 1 - Forward Current Derating Curves Fig. 2 - Maximum Non-Repetitive Peak Forward Surge Current
ELECTRICAL CHARACTERISTICS (T
A
= 25 °C unless otherwise noted)
PARAMETER TEST CONDITIONS SYMBOL VALUE UNIT
Maximum instantaneous forward voltage I
F
= 4.0 A V
F
(1)
0.95 V
Maximum DC reverse current
at rated DC blocking voltage
T
A
= 25 °C
I
R
5.0
μA
T
A
= 100 °C 300
Maximum reverse recovery time I
F
= 0.5 A, I
R
= 1.0 A, I
rr
= 0.25 A t
rr
20 ns
Typical reverse recovery time
I
F
= 4.0 A, dI/dt = 50 A/μs,
V
R
= 30 V, I
rr
= 10 % I
RM
T
J
= 25 °C
t
rr
30
ns
T
J
= 100 °C 50
Typical stored charge
I
F
= 4.0 A, dI/dt = 50 A/μs,
V
R
= 30 V, I
rr
= 10 % I
RM
T
J
= 25 °C
Q
rr
15
nC
T
J
= 100 °C 30
Typical junction capacitance 4.0 V, 1 MHz C
J
20 pF
THERMAL CHARACTERISTICS (T
A
= 25 °C unless otherwise noted)
PARAMETER SYMBOL UG4A UG4B UG4C UG4D UNIT
Typical thermal resistance R
θJA
(1)
25 °C/W
ORDERING INFORMATION (Example)
PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE
UG4D-E3/54 1.138 54 1400 13" diameter paper tape and reel
UG4D-E3/73 1.138 73 1000 Ammo pack packaging
0
25
50
75
100
125
150
175
0
1.0
2.0
3.0
4.0
5.0
6.0
Average Forward Rectied Current (A)
Temperature (°C)
T
A
, Ambient Temperature
P.C.B. Mounted
0.47" x 0.47" (12 mm x 12 mm)
Copper Pads
Resistive or Inductive Load
0.375" (9.5 mm) Lead Length
T
L
Lead Temperature
1
10
100
10
100
1000
1
Number of Cycles at 60 Hz
Peak Forward Surge Current (A)
T
L
= 75 °C
8.3 ms Single Half Sine-Wave