4/98
UG1A THRU UG1D
ULTRAFAST EFFICIENT PLASTIC RECTIFIER
Reverse Voltage - 50 to 200 Volts Forward Current - 1.0 Ampere
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 time for high efficiency
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-204AL, molded plastic body
over passivated chip
Terminals: Axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 ounce, 0.34 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOLS
UG1A
UG1B
UG1C
UG1D
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)
1.0
Amp
Peak forward surge current
8.3 ms single half sine-wave superimposed
I
FSM
40.0
Amps
on rated load (JEDEC Method) at T
L
=75C
Maximum instantaneous forward voltage at 1.0A
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 recovered stored charge
T
J
=25C
8.0
(NOTE 2)
T
J
=100C
Q
rr
12.0
nC
Typical junction capacitance
(NOTE 3)
C
J
7.0
pF
Typical thermal resistance
(NOTE 4)
R
JA
60.0
C/W
R
JL
20.0
Operating 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 Qrr measured at: I
F
=1.0A 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 and from junction to lead at 0.375" (9.5mm) lead length
0.107 (2.7)
0.080 (2.0)
0.034 (0.86)
0.028 (0.71)
DIA.
1.0 (25.4)
MIN.
1.0 (25.4)
MIN.
0.205 (5.2)
0.160 (4.1)
DIA.
DO-204AL
Dimensions in inches and (millimeters)
RATINGS AND CHARACTERISTIC CURVES UG1A THRU UG1D
0
25
50
75
100
125
150
175
0
0.25
0.5
0.75
1.0
1.25
1.5
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
0.01
0.1
1
10
100
FIG. 1 - 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 Hz
PEAK FOR
W
ARD SURGE CURRENT
,
AMPERES
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
INST
ANT
ANEOUS FOR
W
ARD CURRENT
,
AMPERES
INST
ANT
ANEOUS REVERSE CURRENT
,
MICR
O
AMPERES
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - REVERSE SWITCHING
CHARACTERISTICS
ST
ORED CHARGE/REVERSE
RECO
VER
Y TIME,
nC/ns
JUNCTION TEMPERATURE, C
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAP
A
CIT
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
T
A
, AMBIENT
TEMPERATURE ON
P.C.B. MOUNTED
0.5 x 0.5" (12 x 12mm)
COPPER PAD AREAS
T
J
=100C
di/dt=20A/
s
di/dt=100A/
s
di/dt=150A/
s
di/dt=50A/
s
di/dt=150A/
s
di/dt=100A/
s
di/dt=50A/
s
di/dt=20A/
s
I
F
=1.0A
V
R
=30V
t
rr
Q
rr
RESISTIVE OR INDUCTIVE
LOAD 0.375" (9.5mm)
LEAD LENGTH
T
L
, LEAD TEMPERATURE
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