
SUF30G AND SUF30J
ULTRAFAST EFFICIENT PLASTIC RECTIFIER
Reverse Voltage -
 400 and 600 Volts     
Forward Current -
 3.0 Amperes
FEATURES 
 
Plastic package has Underwriters Laboratory 
Flammability Classification 94V-0
 
Glass passivated chip junction
 
Utrafast recovery times for high
efficiency
 
High forward surge current capability
 
Low leakage current
 
Low power loss
 
High temperature soldering guaranteed:
260°C/10 seconds at 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
MECHANICAL DATA 
Case:
 Molded epoxy 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:
 0.07 ounces, 2.1 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
SUF30G
SUF30J
UNITS
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current,
0.200” (5.0mm) lead length at T
A
=60°C 
Peak forward surge current, 8.3ms single half sine-wave 
superimposed on rated load (JEDEC Method) at T
A
=60°C
Maximum instantaneous forward voltage at 3.0A
Maximum peak reverse current
at rated peak reverse voltage
Maximum reverse recovery time
 (NOTE1)
Typical junction capacitance
 (NOTE 2)
Typical thermal resistance
 (NOTE 3)
Operating junction and storage temperature range
V
RRM
V
RMS
V
DC
400
280
400
600
420
600
Volts
Volts
Volts
I
(AV)
3.0
Amps
I
FSM
80.0
Amps
V
F
1.80
2.0
Volts
T
A
=25°C
T
A
=100°C
10.0
100.0
35.0
60
25.0
I
R
μ
A
t
rr
C
J
R
Θ
JA
T
J
 ,T
STG
ns
pF
°C/W
°C
-55 to +150
NOTES:
(1) Reverse recovery test condition: I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
(3) Thermal resistance from junction to ambient at 0.200" (5.0mm) lead length with both leads attached to heat sink
4/98
0.052 (1.32)
0.048 (1.22)
DIA.
0.360 (9.1)
0.340 (8.6)
1.0 (25.4) 
MIN.
0.360 (9.1)
0.340 (8.6)
1.0 (25.4) 
MIN.
Case Style P600
Dimensions in inches and (millimeters)