NEW PRODUCT
NEW PRODUCT
NEW PRODUCT
UGB18ACT THRU UGB18DCT
ULTRAFAST EFFICIENT PLASTIC RECTIFIER
Reverse Voltage -
50 to 200 Volts
TO-263AB
Forward Current -
18.0 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 25 nanosecond reverse recovery times
♦
Soft recovery characteristics
♦
Excellent high temperature switching
♦
Glass passivated junctions
♦
High temperature soldering in accordance with
CECC 802 / Reflow guaranteed
0.380 (9.65)
0.420 (10.67)
0.245 (6.22)
MIN
K
0.160 (4.06)
0.190 (4.83)
0.045 (1.14)
0.055 (1.40)
0.320 (8.13)
0.360 (9.14)
1
K
2
0.575 (14.60)
0.625 (15.88)
0.047 (1.19)
0.055 (1.40)
SEATING
PLATE
-T-
0.090 (2.29)
0.110 (2.79)
0.018 (0.46)
0.025 (0.64)
0.027 (0.686)
0.037 (0.940)
0.080 (2.03)
0.110 (2.79)
0.095 (2.41)
0.100 (2.54)
MECHANICAL DATA
Case:
JEDEC TO-263AB molded plastic body
Terminals:
Plated leads solderable per MIL-STD-750,
Method 2026
Polarity:
As marked
Mounting Position:
Any
Weight:
0.08 ounce, 2.24 grams
PIN 1
K - HEATSINK
PIN 2
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
UGB18ACT
UGB18BCT
UGB18CCT
UGB18DCT
UNITS
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current at T
C
=105°C
Peak forward surge current
8.3ms single half sine-wave superimposed
on rated load (JEDEC Method) per leg at T
C
=105°C
Maximum instantaneous forward voltage per leg at: 9.0A
20A
5.0A, T
J
=100°C
Maximum DC reverse current
T
C
=25°C
at rated DC blocking voltage per leg
T
C
=100°C
Maximum reverse recovery time
(NOTE 1)
Maximum reverse recovery time
T
J
=25°C
T
J
=100°C
(NOTE 2)
Maximum recovered stored charge
T
J
=25°C
T
J
=100°C
(NOTE 2)
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, Irr=0.25A
(2) t
rr
and Q
rr
measured at: I
F
=9.0A, V
R
=30V, di/dt=50A/µs, I
rr=
10% I
RM
(3) Measured at 1.0 MH
Z
and applied reverse voltage of 4.0 Volts
(4) Thermal resistance from junction to case per leg
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
50
35
50
100
70
100
18.0
175.0
1.10
1.20
0.95
10.0
300.0
20.0
30.0
50.0
20.0
45.0
30.0
4.0
150
105
150
200
140
200
Volts
Volts
Volts
Amps
Amps
V
F
Volts
µA
ns
ns
nC
pF
°C/W
°C
I
R
t
rr
t
rr
Q
rr
C
J
R
ΘJC
T
J
, T
STG
-65 to +150
4/98
RATINGS AND CHARACTERISTIC CURVES UGB18ACT THRU UGB18DCT
FIG. 1 -FORWARD CURRENT DERATING CURVE
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT PER LEG
24
AVERAGE FORWARD CURRENT,
AMPERES
RESISTIVE OR INDUCTIVE LOAD
1,000
PEAK FORWARD SURGE CURRENT,
AMPERES
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
T
C
=105°C
20
16
12
8.0
4.0
0
100
0
25
50
75
100 125 150 175
10
CASE TEMPERATURE, °C
1
10
NUMBER OF CYCLES AT 60 H
Z
100
INSTANTANEOUS REVERSE LEAKAGE CURRENT,
MICROAMPERES
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS PER LEG
INSTANTANEOUS FORWARD CURRENT,
AMPERES
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
PER LEG
100
1,000
T
J
=125°C
10
T
J
=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
100
10
T
J
=100°C
1
1
T
J
=25°C
0.1
0.1
0.01
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - REVERSE SWITCHING CHARACTERISTICS
PER LEG
FIG. 6 - TYPICAL JUNCTION CAPACITANCE PER LEG
60
STORED CHARGE/REVERSE
RECOVERY TIME, nC/ns
100
di/dt=150A/µs
I
F
=9.0A
V
R
=30V
50
40
30
20
di/dt=20A/µs
di/dt=50A/µs
di/dt=100A/µs
di/dt=50A/µs
di/dt=150A/µs
JUNCTION CAPACITANCE, pF
di/dt=100A/µs
T
J
=125°C
f=1.0 MHz
Vsig=50MVp-p
10
di/dt=20A/µs
10
t
rr
Q
rr
0
0
25
50
75
100 125 150 175
1
0.1
1
10
100
JUNCTION TEMPERATURE, °C
REVERSE VOLTAGE, VOLTS
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