UF300G THRU UF308G
GLASS PASSIVATED JUNCTION ULTRAFAST SWITCHING RECTIFIER
VOLTAGE - 50 to 800 Volts CURRENT - 3.0 Amperes
FEATURES
l
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O Utilizing
Flame Retardant Epoxy Molding Compound
l
Glass passivated junction in DO-201AD package
l
3.0 ampere operation at T
A
=55
J
with no thermal runaway
l
Exceeds environmental standards of MIL-S-19500/228
l
Ultra Fast switching for high efficiency
MECHANICAL DATA
Case: Molded plastic, DO-201AD
Terminals: axial leads, solderable per MIL-STD-202,
Method 208
Polarity: Band denotes cathode
Mounting Position: Any
Weight: 0.04 ounce, 1.1 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
J
ambient temperature unless otherwise specified.
Resistive or inductive load 60Hz.
UF300G UF301G UF302G UF304G UF306G UF308G
UNITS
Peak Reverse Voltage, Repetitive; V
RM
:
50
100
200
400
600
800
V
Maximum RMS Voltage
35
70
140
280
420
560
V
DC Reverse Voltage; V
R
50
100
200
400
600
800
V
Average Forward Current, Io @ T
A
=55
J
3/8" lead
length, 60 Hz, resistive or inductive load
3.0
A
Peak Forward Surge Current, I
FM
(surge) 8.3msec.
single half sine wave superimposed on rated
load(JECEC method)
150
A
Maximum Forward Voltage VF @ 3.0A, 25
J
1.00
1.30
1.70
V
Maximum Reverse Current, @ Rated T
J
=25
J
Reverse Voltage T
J
=100
J
10. 0
300
g
A
g
A
Typical Junction capacitance (Note 1) CJ
75.0
50.0
P
F
Typical Junction Resistance (Note 2) R
K
JA
60.0
J
/W
Reverse Recovery Time
I
F
=.5A, I
R
=1A, I
rr
=.25A
50
50
50
50
100
100
ns
Operating and Storage Temperature Range
-55 to +150
J
NOTES:
1. Measured at 1 MHz and applied reverse voltage of 4.0 VDC
2. Thermal resistance from junction to ambient and from junction to lead length 0.375"(9.5mm) P.C.B.
mounted
DO-201AD
RATING AND CHARACTERISTIC CURVES
UF300G THRU UF308G
NOTE:1.Rise Time = 7ns max.
Input Impedance = 1 megohm. 22pF
2.Rise Time = 10ns max.
Source Impedance = 50 Ohms
t
rr
+0.5A
0
-0.25
-1.0
SET TIME 1cm
BASE FOR
50 ns/cm
Fig. 1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
10
1
0.1
0.01
0
.2 .4
.6 .8
1.0
1.2 1.4 1.6
UF308G
TJ = 25
J
UF300G
TYPICAL
FORWARD VOLTAGE-VFM(Vpk)
4.0
3.0
2.0
1.0
0
25
50 75 100
125
150
175
200
.375" 9.5mm LENGTH
AMBIENT TEMPERATURE,
J
Fig. 2-FORWARD CHARACTERISTICS
Fig. 3-FORWARD CURRENT DERATING CURVE
100
10
1
0.1
0.01
0
20
40
60
80 100 120 140
T
J
= 125
J
T
J
= 100
J
T
J
= 25
J
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
150
120
90
60
30
1 2
4
6
8 10
20
60 80 100
0
40
NUMBER OF CYCLES AT 60Hz
Fig. 4-TYPICAL REVERSE LEAKAGE
CHARACTERISTICS
Fig. 5-PEAK FORWARD SURGE CURRENT
I
F
M
,
A
p
k
A
V
E
R
A
G
E
F
O
R
W
A
R
D
C
U
R
R
E
N
T
(
1
0
)
-
A
M
P
(
1
0
)
-
A
A
V
I
N
S
T
A
N
T
A
N
E
O
U
S
R
E
V
E
R
S
E
L
E
A
K
A
G
E
C
U
R
R
E
N
T
,
M
I
C
R
O
A
M
P
E
R
E
S
P
E
A
D
F
O
R
W
A
R
D
S
U
R
G
E
C
U
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R
E
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T
,
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