ADVANCED INFORMATION
ADVANCED INFORMATION
ADVANCED INFORMATION
UG8HT AND UG8JT
ULTRAFAST SOFT RECOVERY RECTIFIER
Reverse Voltage -
500 to 600 Volts
Forward Current -
8.0 Amperes
TO-220AC
0.185 (4.70)
0.415 (10.54) MAX.
0.370 (9.40)
0.360 (9.14)
0.154 (3.91)
DIA.
0.148 (3.74)
0.055 (1.39)
0.045 (1.14)
0.175 (4.44)
FEATURES
♦
Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
♦
Ideally suited for freewheeling diode power factor
correction applications
♦
Soft recovery characteristics
♦
Excellent high temperature switching
♦
Planar technology
♦
Optimized to reduce switching losses
♦
High temperature soldering guaranteed:
250°C/10 seconds at terminals
0.113 (2.87)
0.103 (2.62)
0.145 (3.68)
0.135 (3.43)
0.560 (14
0.530 (13
0.410 (10.41)
0.390 (9.91)
PIN
1
0.160 (4.06)
0.140 (3.56)
0.560 (14.22)
0.530 (13.46)
2
0.635 (16.13)
0.625 (15.87)
0.350 (8.89)
0.330 (8.38)
1.148 (29.16)
1.118 (28.40)
0.110 (2.79)
0.100 (2.54)
MECHANICAL DATA
Case:
JEDEC TO-220AC 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
Mounting Torque:
5 in. - lbs. max.
0.105 (2.67)
0.095 (2.41)
0.037 (0.94)
0.027 (0.68)
0.022 (0.56)
0.014 (0.36)
PIN 1
0.205 (5.20)
0.195 (4.95)
PIN 2
CASE
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
UG8HT
UG8JT
UNITS
Maximum repetitive peak reverse voltage
Working peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current at T
C
=100°C
Peak forward surge current
8.3ms single half sine-wave superimposed
on rated load (JEDEC Method)
Maximum instantaneous forward voltage at I
F
= 8A
(NOTE 1)
Maximum reverse leakage current
at working peak reverse voltage
T
J
=25°C
T
J
=125°C
T
J
=25°C
T
J
=100°C
T
J
=125°C
V
RRM
V
RWM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
t
rr
t
rr
S
I
RM
I
RM
t
fr
R
ΘJC
T
J
, T
STG
500
400
350
500
8.0
100.0
1.75
1.50
30
800
4.0
25
50
35
1.0
5.5
10.0
600
480
420
600
Volts
Volts
Volts
Volts
Amps
Amps
Volts
µA
µA
mA
ns
ns
-
Amps
Amps
ns
°C/W
°C
Maximum reverse recovery time at I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
Reverse recovery time at
Maximum
I
F
=1.0A, di/dt=50A/µs, V
R
=30V, I
rr
=0.1 I
RM
Typical
Typical softness factor (t
b
/t
a
) I
F
=8.0A, di/dt=240A/µs, V
R
=400V I
rr
=0.1 I
RM
Maximum reverse recovery current at
I
F
=8.0A, di/dt=64A/µs,V
R
=400V
T
C
=125°C
Typical reverse recovery current at
I
F
=8.0A, di/dt=240A/µs, V
R
=400V
T
C
=125°C
Peak forward recovery time at
Maximum
I
F
=8A, di/dt=64A/µs measured at 1.1 V
F
Typical
Typical thermal resistance from junction to case
Operating junction and storage temperature range
NOTE:
(1) Pulse test: 300µs pulse width, 1% duty cycle
NOTICE:
Advanced product information is subject to change without notice
500
250
2.2
-55 to+150
10/27/98
RATINGS AND CHARACTERISTIC CURVES UG8HT AND UG8JT
FIG. 1 - FORWARD CURRENT DERATING CURVE
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
12.0
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
RESISTIVE OR INDUCTIVE LOAD
1,000
PEAK FORWARD SURGE CURRENT,
AMPERS
8ms SINGLE HALF SINE WAVE
(JEDEC METHOD)
T
J
=T
J
max.
10.0
8.0
6.0
100
4.0
2.0
0
10
0
25
50
75
100
125
150
175
CASE TEMPERATURE, °C
1
10
NUMBER OF CYCLES AT 60 H
Z
100
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
100
INSTANTANEOUS FORWARD CURRENT,
AMPERES
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
10,000
T
J
=125°C
10
T
J
=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
1,000
T
J
=100°C
1
100
0.1
10
T
J
=25°C
0.01
0.5
1.0
1.5
2.0
2.5
3.0
1
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
FIG. 5 - REVERSE SWITCHING CHARACTERISTICS
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
100
STORED CHARGE/REVERSE RECOVERY TIME,
nC/ns
Q
rr
t
rr
I
F
=8.0A
V
R
=30V
350
300
di/dt=240A/µs
JUNCTION CAPACITANCE,
P
F
250
T
J
=25°C
200
f=1.0 MH
Z
Vsig=50mVp-p
10
di/dt=60A/µs
di/dt=50A/µs
di/dt=50A/µs
di/dt=60A/µs
150
100
50
di/dt=240A/µs
1
1
10
100
1,000
0
25
50
75
100
125
150
T
J
, JUNCTION TEMPERATURE, °C
REVERSE VOLTAGE, VOLTS
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