- 250 -
SFF501G THRU SFF508G
Isolation 5.0 AMPS. Glass Passivated Super Fast Rectifiers
Voltage Range
50 to 600 Volts
Current
5.0 Amperes
Features
Low
forward
voltage
drop
High current capability
High
reliability
High surge current capability
Mechanical Data
Case:
ITO-220AB
molded
plastic
Epoxy: UL 94V-O rate flame retardant
Terminals: Leads solderable per MIL-STD-
202, Method 208 guaranteed
Polarity: As marked
High temperature soldering guaranteed:
260
o
C/10 seconds 0.25",(6.35mm) from
case.
Weight: 2.24 grams
Mounting torque: 5 in 1bs. max.
ITO-220AB
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25
ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Symbol
SFF
501G
SFF
502G
SFF
503G
SFF
504G
SFF
505G
SFF
506G
SFF
507G
SFF
508G
Units
Maximum Recurrent Peak Reverse Voltage
V
RRM
50 100 150 200 300 400 500 600
V
Maximum RMS Voltage
V
RMS
35
70 105 140 210 280 350 420
V
Maximum DC Blocking Voltage
V
DC
50 100 150 200 300 400 500 600
V
Maximum Average Forward Rectified
Current .375 (9.5mm) Lead Length
@T
C
= 100
I
(AV)
5.0 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method )
I
FSM
70 A
Maximum Instantaneous Forward Voltage
@2.5A
V
F
0.98 1.3
1.7
V
Maximum DC Reverse Current
@ T
A
=25
at Rated DC Blocking Voltage
@ T
A
=100
I
R
10.0
400
uA
uA
Maximum Reverse Recovery Time
(Note 1)
Trr
35 nS
Typical Thermal Resistance (Note 3)
R
JA
5.5
/W
Typical Junction Capacitance (Note 2)
Cj
70 50
pF
Operating Temperature Range
T
J
-65 to +150
Storage Temperature Range
T
STG
-65 to +150
Notes: 1. Reverse Recovery Test Conditions: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.
3. Mounted on Heatsink Size of 2 in x 3 in x 0.25 in, Al-Plate.
.272(6.9)
.248(6.3)
.543(13.8)
.512(13.2)
.110(2.8)
.098(2.5)
.606(15.5)
.583(14.8)
.112(2.85)
.100(2.55)
.134(3.4)DIA
.113(3.0)DIA
PIN 1
PIN 3
Positive CT
PIN 2
- 251 -
FIG.3- TYPICAL REVERSE CHARACTERISTICS
0
20
40
60
80
100
120
140
1000
0.1
1
10
100
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
TJ=25 C
0
TJ=100 C
0
INST
ANT
ANEOUS
REVERSE
CURRENT
.(
A
)
FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
W
NONINDUCTIVE
1W
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE 2)
DUT
(+)
50Vdc
(approx)
(-)
NOTES: 1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
(-)
(+)
10
W
NONINDUCTIVE
-1.0A
-0.25A
0
+0.5A
trr
1cm
SET TIME BASE FOR
5/ 10ns/ cm
RATINGS AND CHARACTERISTIC CURVES (SFF501G THRU SFF508G)
FIG.2- MAXIMUM FORWARD CURRENT DERATING
CURVE
A
VERAGE
FOR
W
ARD
CURRENT
.
(A)
0
50
100
150
0
2
4
6
8
10
CASE TEMPERATURE. ( C)
o
FIG.4- MAXIMUM NON-REPETITIVE FORWARD SURGE
CURRENT PER LEG
PEAK
FOR
W
ARD
SURGE
CURRENT
.
(A)
1
2
5
10
20
100
50
NUMBER OF CYCLES AT 60Hz
TJ=125 C
0
8.3ms Single Half Sine Wave
JEDEC Method
FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG
CAP
ACIT
ANCE.(pF)
1
5
2
10
20
50
100
200
500
50
60
70
80
90
100
REVERSE VOLTAGE. (V)
Tj=25 C
0
SFF501G~SFF504G
SF
F50
5G
~S
FF5
08G
FIG.6- TYPICAL FORWARD CHARACTERISTICS
PER LEG
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
.
(A)
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.01
0.1
0.03
1
0.3
10
3
30
100
FORWARD VOLTAGE. (V)
Tj=25 C
Pulse Width=300 s
1% Duty Cycle
o
SFF501G~SFF504G
SFF505G~SF506G
TJ=75 C
0
70
60
50
40
30
0
40
SFF507G~SF508G
1000
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