Axial Leaded Super Fast Rectifiers
SF31G THRU SF38G
List
Formosa MS
List................................................................................................. 1
Package outline............................................................................... 2
Features.......................................................................................... 2
Mechanical data............................................................................... 2
Maximum ratings .............................................................................. 2
Rating and characteristic curves........................................................ 3
Pinning information........................................................................... 4
Marking........................................................................................... 4
Taping & bulk specifications for AXIAL devices.................................... 4
Suggested thermal profiles for soldering processes............................. 5
High reliability test capabilities........................................................... 6
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/05/10
Revision
C
Page.
6
Page 1
DS-222413
Axial Leaded Super Fast Rectifiers
SF31G THRU SF38G
3.0A Axial Leaded Super
Fast Rectifiers-50-600V
Features
•
Axial lead type devices for through hole design
•
High current capability.
•
Superfast recovery time for switching mode application,
•
High surge capability.
•
Glass passivated chip junction structure.
•
Lead-free parts meet RoHS requirments.
•
Suffix "-H" indicates Halogen free parts, ex. SF31G-H.
Formosa MS
Package outline
DO-201AD
1.0(25.4)
MIN.
.220(5.6)
.197(5.0)
DIA.
.375(9.5)
.285(7.2)
Mechanical data
•
•
•
•
•
•
Epoxy : UL94-V0 rated flame retardant
Case : Molded plastic, DO-201AD
Lead : Axial leads, solderable per MIL-STD-202,
Method 208 guranteed
Polarity: Color band denotes cathode end
Mounting Position : Any
Weight : Approximated 1.10 gram
Dimensions in inches and (millimeters)
.052(1.3)
.048(1.2)
DIA.
1.0(25.4)
MIN.
Maximum ratings and Electrical Characteristics
(AT
PARAMETER
Forward rectified current
Forward surge current
CONDITIONS
Ambient temperature = 55
O
C
T
A
=25
o
C unless otherwise noted)
Symbol
I
O
I
FSM
I
R
C
J
T
STG
-65
50
+175
MIN.
TYP.
MAX.
3.0
125
5.0
100
UNIT
A
A
8.3ms single half sine-wave (JEDEC methode)
V
R
= V
RRM
T
J
= 25
O
C
V
R
= V
RRM
T
J
= 125 C
f=1MHz and applied 4V DC reverse voltage
O
Reverse current
Diode junction capacitance
Storage temperature
*1
V
RRM
(V)
50
100
150
200
300
400
500
600
V
RMS
*2
(V)
35
70
105
140
210
280
350
420
μA
pF
O
C
SYMBOLS
SF31G
SF32G
SF33G
SF34G
SF35G
SF36G
SF37G
SF38G
*3
V
R
(V)
50
100
150
200
300
400
500
600
*4
V
F
(V)
*5
t
rr
(ns)
Operating
temperature
T
J
, (
O
C)
*1 Repetitive peak reverse voltage
*2 RMS voltage
0.95
*3 Continuous reverse voltage
35
1.25
1.70
-55 to +150
*4 Maximum forward voltage@I
F
=3.0A
*5 Maximum Reverse recovery time, note 1
Note 1. Reverse recovery time test condition, I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/05/10
Revision
C
Page.
6
Page 2
DS-222413
Rating and characteristic curves (SF31G THRU SF38G)
FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
W
NONINDUCTIVE
10
W
NONINDUCTIVE
trr
+0.5A
|
|
|
|
|
|
|
|
FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
3.0
2.5
2.0
1.5
1.0
0.5
0
0
25
50
75
100
125
150
175
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
(+)
25Vdc
(approx.)
( )
1
W
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
D.U.T.
( )
PULSE
GENERATOR
(NOTE 2)
(+)
0
-0.25A
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
-1.0A
1cm
SET TIME BASE FOR
50 / 10ns / cm
AMBIENT TEMPERATURE,(°C)
FIG.3-TYPICAL FORWARD
CHARACTERISTICS
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,(A)
REVERSE LEAKAGE CURRENT, (uA)
FORWARD VOLTAGE,(V)
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
FIG.5-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
125
FIG.6-TYPICAL JUNCTION CAPACITANCE
175
150
125
100
75
50
25
0
100
T
J
=25 C
8.3ms Single Half
Sine Wave
75
JEDEC method
50
25
0
1
5
10
50
100
JUNCTION CAPACITANCE,(pF)
.01
.05
.1
.5
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
REVERSE VOLTAGE,(V)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/05/10
Revision
C
Page.
6
Page 3
DS-222413
Glass Passivated Rectifier
SF31G THRU SF38G
Pinning information
Pin
Pin1
Pin2
cathode
anode
Simplified outline
Formosa MS
Symbol
1
2
1
2
Marking
Type number
SF31G
SF32G
SF33G
SF34G
SF35G
SF36G
SF37G
SF38G
Marking code
SF31G
SF32G
SF33G
SF34G
SF35G
SF36G
SF37G
SF38G
Taping & bulk specifications for AXIAL devices
52.4mm
17mm DIA.
55mm Max.
A
72mm DIA.
17mm DIA.
355mm
OFF Center
both sids
1.0mm
Max OFF
Alignment
1.2mm
71mm Max.
6.3mm
REEL PACKING
DEVICE
CASE
TYPE
DO-201AD
1,200
Q'TY 1
(PCS / REEL)
COMPONENT
SPACING
"A" in FIG. A
10 mm
CARTON
SIZE
(m/m)
380 * 340 * 370
4,800
Q'TY 2
(PCS / CARTON)
APPROX.
CROSS
WEIGHT(kg)
9.1
AMMO PACKING
DEVICE
CASE
TYPE
DO-201AD
1,200
Q'TY 1
(PCS / BOX)
INNER
BOX SIZE
(m/m)
260 * 83 * 160
CARTON
SIZE
(m/m)
440 * 270 * 340
12,000
Q'TY 2
(PCS / CARTON)
APPROX.
CROSS
WEIGHT(kg)
17.0
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/05/10
Revision
C
Page.
6
Page 4
DS-222413
Glass Passivated Rectifier
SF31G THRU SF38G
BULK PACKING
DEVICE
CASE
TYPE
DO-201AD
500
Q'TY 1
(PCS / BOX)
INNER
BOX SIZE
(m/m)
305 * 73 * 40
CARTON
SIZE
(m/m)
347 * 320 * 271
Formosa MS
Q'TY 2
(PCS / CARTON)
APPROX.
CROSS
WEIGHT(kg)
12,000
16.4
Suggested thermal profiles for soldering processes
1.Lead free temperature profile wave-soldering
280
260
240
220
200
Temperature(°C)
Peak soldering temperature not
to exceed 260ºC
180
160
140
120
100
80
60
40
20
0
0
20
Preheat
Max gradient 2ºC/s
Peak
Max well
time 5 Max
Cool Down
Max gradient-4ºC/s
Suggested gradient - 2ºC/s or
less
40
60
80
100 120 140 160 180 200 220 240
Time(Sec)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/05/10
Revision
C
Page.
6
Page 5
DS-222413
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