UG2A THRU UG2D
ULTRAFAST EFFICIENT PLASTIC RECTIFIER
Reverse Voltage - 50 to 200 Volts Forward Current - 2.0 Amperes
FEATURES
Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
Ideally suited for use in very high frequency switching
power supplies, inverters and as a free wheeling diode
Ultrafast recovery for high efficiency times
Soft recovery characteristics
Excellent high temperature switching
Glass passivated junction
High temperature soldering guaranteed:
250C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
MECHANICAL DATA
Case: JEDEC DO-204AC molded plastic body over
passivated chip
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.015 ounce, 0.4 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOLS
UG2A
UG2B
UG2C
UG2D
UNITS
Maximum repetitive peak reverse voltage
V
RRM
50
100
150
200
Volts
Maximum RMS voltage
V
RMS
35
70
105
140
Volts
Maximum DC blocking voltage
V
DC
50
100
150
200
Volts
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
L
=75C
I
(AV)
2.0
Amps
Peak forward surge current
8.3 ms single half sine-wave superimposed
I
FSM
80.0
Amps
on rated load (JEDEC Method) at T
L
=75C
Maximum instantaneous forward voltage at 2.0A
V
F
0.95
Volts
Maximum DC reverse current
T
A
=25C
5.0
at rated DC blocking voltage
T
A
=100C
I
R
200.0
A
Maximum reverse recovery time
(NOTE 1)
t
rr
15.0
ns
Maximum reverse recovery time
T
J
=25C
25.0
(NOTE 2
)
T
J
=100C
t
rr
35.0
ns
Maximum stored charge
T
J
=25C
10.0
(NOTE 2)
T
J
=100C
Q
rr
22.0
nC
Typical junction capacitance
(NOTE 3)
C
J
15.0
pF
Typical thermal resistance
(NOTE 4)
R
JA
45.0
C/W
Operating junction and storage temperature range
T
J
, T
STG
-55 to +150
C
NOTES:
(1) Reverse recovery test conditions: I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
(2) t
rr
and Q
rr
at: I
F
=2.0A, V
R
=30V, di/dt=50A/
s, I
rr
=10% I
RM
for measurement of t
rr
(3) Measured at 1.0 MH
Z
and applied reverse voltage of 4.0 Volts
(4) Thermal resistance from junction to ambient at 0.375" (9.5mm) lead length
4/98
0.034 (0.86)
0.028 (0.71)
0.140 (3.6)
0.104 (2.6)
DIA.
DIA.
1.0
MIN.
(25.4)
0.230 (5.8)
0.300 (7.6)
1.0
MIN.
(25.4)
DO-204AC
Dimensions in inches and (millimeters)
0
25
50
75
100
125
150
175
0
0.5
1.0
1.5
2.0
2.5
3.0
1
10
100
1
10
100
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.01
0.1
1
10
100
0.1
1
10
100
1
10
100
0
25
50
75
100
125
150
175
0
10
20
30
40
50
60
0
20
40
60
80
100
0.1
1
10
100
1000
RATINGS AND CHARACTERISTIC CURVES UG2A THRU UG2D
FIG. 1 - MAXIMUM FORWARD CURRENT
DERATING CURVES
TEMPERATURE, C
A
VERA
GE FOR
W
ARD RECTIFIED CURRENT
,
AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
NUMBER OF CYCLES AT 60 H
Z
PEAK FOR
W
ARD SURGE CURRENT
,
AMPERES
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE LEAKAGE
CHARACTERISTICS
INST
ANT
ANEOUS FOR
W
ARD CURRENT
,
AMPERES
INST
ANT
ANEOUS REVERSE LEAKA
GE CURRENT
,
MICR
O
AMPERES
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - REVERSE SWITCHING
CHARACTERISTICS
RECO
VERED ST
ORED CHARGE/REVERSE RECO
VER
Y
TIME, nC/ns
JUNCTION TEMPERATURE, C
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAP
A
C
IT
ANCE, pF
REVERSE VOLTAGE, VOLTS
T
L
=75
C
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
T
J
=100C
T
J
=25C
T
J
= 25C
PULSE WIDTH=300
s
1% DUTY CYCLE
T
J
=25C
f=1.0 MH
Z
Vsig=50mVp-p
RESISTIVE OR INDUCTIVE LOAD
0.375" (9.5mm) LEAD LENGTH
T
L
, LEAD TEMPERATURE
T
A
, AMBIENT TEMPERATURE
P.C.B. MOUNTED
0.5 x 0.5" (12 x 12mm)
COPPER PADS
T
J
=100C
di/dt=20A/
s
di/dt=150A/
s
di/dt=100A/
s
di/dt=50A/
s
di/dt=150A/
s
di/dt=20A/
s
di/dt=50A/
s
di/dt=100A/
s
I
F
=2.0A
V
R
=30V
t
rr
Q
rr
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