Preliminary
SFAD301G
THRU
SFAD308G
3.0 AMPS. Glass Passivated Super Fast Rectifiers
Voltage Range
50 to 600 Volts
Current
3.0 Amperes
Features
Ultrafast Recovery
Low forward voltage drop
High current capability
High reliability
High surge current capability
DPAK
Mechanical Data
Case: Epoxy molded
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.
Weight: 0.4 grams
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%
Symbol
SFAD SFAD SFAD SFAD
Type Number
Maximum Recurrent Peak Reverse
Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified
Current @T
C
= 137℃
Peak Forward Surge Current, 8.3 ms
Single Half Sine-wave Superimposed on
Rated Load (JEDEC method )
Maximum Instantaneous Forward Voltage
@3.0A
Maximum DC Reverse Current
@ T
A
=25℃ at Rated DC Blocking Voltage
@ T
A
=100℃
Maximum Reverse Recovery Time
(Note 1)
Typical Thermal Resistance (Note3)
Typical Junction Capacitance (Note 2)
Operating Temperature Range
SFAD SFAD SFAD SFAD
301G 302G 303G 304G 305G 306G 307G 308G
Units
V
V
V
A
A
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
Trr
RθJC
50
35
50
100 150 200 300 400 500 600
70 105 140 210 280 350 420
100 150 200 300 400 500 600
3.0
55
1.1
5.0
100
35
10
80
60
1.3
1.7
V
µA
µA
nS
℃/W
pF
℃
℃
Cj
T
J
-65 to +150
Storage Temperature Range
T
STG
-65 to +150
Notes: 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A.
2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.
3. Thermal Resistance from Junction to Case.
Sept. 08, 2004
RATINGS AND CHARACTERISTIC CURVES (SFAD301G THRU SFAD308G)
FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50W
NONINDUCTIVE
10W
NONINDUCTIVE
+0.5A
(-)
DUT
(+)
50Vdc
(approx)
(-)
PULSE
GENERATOR
(NOTE 2)
1W
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
(+)
0
-0.25A
trr
NOTES: 1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
-1.0A
1cm
SET TIME BASE FOR
5/ 10ns/ cm
FIG.2- MAXIMUM FORWARD CURRENT DERATING
CURVE
5
AVERAGE FORWARD CURRENT. (A)
INSTANTANEOUS REVERSE CURRENT. ( A)
4
3
2
1
0
FIG.3- TYPICAL REVERSE CHARACTERISTICS
1000
TC=100
0
C
100
10
0
50
CASE TEMPERATURE. ( C)
o
100
150
TC=25
0
C
PEAK FORWARD SURGE CURRENT. (A)
60
50
40
FIG.4- MAXIMUM NON-REPETITIVE FORWARD SURGE
CURRENT PER LEG
1.0
TC=125
0
C
8.3ms Single Half Sine Wave
JEDEC Method
0.1
0
20
40
60
80
100
120
140
30
20
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
FIG.6- TYPICAL FORWARD CHARACTERISTICS
PER LEG
100
10
INSTANTANEOUS FORWARD CURRENT. (A)
1
2
5
10
20
50
100
SF
AD
30
NUMBER OF CYCLES AT 60Hz
10
1G
-S
FA
D
30
30
4G
-S
FA
D
30
6G
30
FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG
140
Tj=25
0
C
3.0
1.0
FA
D
120
CAPACITANCE.(pF)
100
80
60
40
20
SF
AD
0.3
0.1
3
AD
SF
07
5G
-
SF
AD
3
30
1G
05
G-
-SF
AD
30
SF
AD
4G
30
8G
.03
.01
.4
S
AD
SF
30
8G
Tj=25
o
C
Pulse Width=300 s
1% Duty Cycle
.6
.8
1.0
1.2
5G
1.4
1.6
1.8
1
2
5
10
20
50
100
200
500
REVERSE VOLTAGE. (V)
FORWARD VOLTAGE. (V)
MCU
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