UG2A THRU UG2D
ULTRAFAST EFFICIENT PLASTIC RECTIFIER
Reverse Voltage -
50 to 200 Volts
DO-204AC
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:
250°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
0.034 (0.86)
1.0
(25.4)
MIN.
0.028 (0.71)
DIA.
0.300 (7.6)
0.230 (5.8)
0.140 (3.6)
0.104 (2.6)
DIA.
1.0
(25.4)
MIN.
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
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
UG2A
UG2B
UG2C
UG2D
UNITS
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
L
=75°C
Peak forward surge current
8.3 ms single half sine-wave superimposed
on rated load (JEDEC Method) at T
L
=75°C
Maximum instantaneous forward voltage at 2.0A
Maximum DC reverse current
at rated DC blocking voltage
Maximum reverse recovery time
(NOTE 1)
Maximum reverse recovery time
(NOTE 2
)
Maximum stored charge
(NOTE 2)
V
RRM
V
RMS
V
DC
I
(AV)
50
35
50
100
70
100
2.0
150
105
150
200
140
200
Volts
Volts
Volts
Amps
I
FSM
V
F
I
R
t
rr
80.0
0.95
5.0
200.0
15.0
25.0
35.0
10.0
22.0
15.0
45.0
-55 to +150
Amps
Volts
µA
ns
ns
nC
pF
°C/W
°C
T
A
=25°C
T
A
=100°C
T
J
=25°C
T
J
=100°C
T
J
=25°C
T
J
=100°C
t
rr
Q
rr
C
J
R
ΘJA
T
J
, T
STG
Typical junction capacitance
(NOTE 3)
Typical thermal resistance
(NOTE 4)
Operating junction and storage temperature range
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/µs, 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
RATINGS AND CHARACTERISTIC CURVES UG2A THRU UG2D
FIG. 1 - MAXIMUM FORWARD CURRENT
DERATING CURVES
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
3.0
2.5
2.0
1.5
1.0
0.5
P.C.B. MOUNTED
0
T
A
, AMBIENT TEMPERATURE
0.5 x 0.5” (12 x 12mm)
COPPER PADS
PEAK FORWARD SURGE CURRENT,
AMPERES
RESISTIVE OR INDUCTIVE LOAD
0.375" (9.5mm) LEAD LENGTH
T
L
, LEAD TEMPERATURE
100
10
T
L
=75°C
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
1
1
10
NUMBER OF CYCLES AT 60 H
Z
100
0
25
50
75
100
125
150
175
TEMPERATURE, °C
INSTANTANEOUS REVERSE LEAKAGE CURRENT,
MICROAMPERES
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE LEAKAGE
CHARACTERISTICS
100
T
J
=100°C
1000
INSTANTANEOUS FORWARD CURRENT,
AMPERES
10
T
J
= 25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
100
T
J
=100°C
1
10
0.1
1
T
J
=25°C
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
0.1
0
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
RECOVERED STORED CHARGE/REVERSE RECOVERY
TIME, nC/ns
FIG. 5 - REVERSE SWITCHING
CHARACTERISTICS
60
50
40
30
20
I
F
=2.0A
V
R
=30V
di/dt=150A/µs
di/dt=100A/µs
di/dt=20A/µs
di/dt=50A/µs
di/dt=100A/µs
di/dt=150A/µs
di/dt=50A/µs
di/dt=20A/µs
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
100
JUNCTION CAPACITANCE, pF
T
J
=25°C
f=1.0 MH
Z
Vsig=50mVp-p
10
10
0
t
rr
Q
rr
0
25
50
75
100
125
150
175
1
0.1
1
10
100
JUNCTION TEMPERATURE, °C
REVERSE VOLTAGE, VOLTS
Embedded System
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