Fast Rectifiers. SF21 Datasheet

SF21 Rectifiers. Datasheet pdf. Equivalent


Formosa MS SF21
Axial Leaded Super Fast Rectifiers
SF21 THRU SF28
Formosa MS
List
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
Page 1
Document ID Issued Date
DS-222407 2008/02/10
Revised Date Revision
2010/05/10
C
Page.
6


SF21 Datasheet
Recommendation SF21 Datasheet
Part SF21
Description Axial Leaded Super Fast Rectifiers
Feature SF21; Axial Leaded Super Fast Rectifiers SF21 THRU SF28 Formosa MS List List.............................
Manufacture Formosa MS
Datasheet
Download SF21 Datasheet




Formosa MS SF21
Axial Leaded Super Fast Rectifiers
SF21 THRU SF28
2.0A 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 current capability.
Silicon rubber coating chip junction.
Lead-free parts meet RoHS requirments.
Suffix "-H" indicates Halogen free parts, ex. SF21-H.
Mechanical data
Epoxy : UL94-V0 rated flame retardant
Case : Molded plastic, DO-15
Lead : Axial leads, solderable per MIL-STD-202,
Method 208 guranteed
Polarity: Color band denotes cathode end
Mounting Position : Any
Weight : Approximated 0.40 gram
Formosa MS
Package outline
DO-15
.140(3.6)
.104(2.6)
DIA.
1.0(25.4)
MIN.
.300(7.6)
.230(5.8)
.034(.9)
.028(.7)
DIA.
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
Maximum ratings and Electrical Characteristics (AT TA=25oC unless otherwise noted)
PARAMETER
CONDITIONS
Symbol MIN. TYP. MAX.
Forward rectified current
Ambient temperature = 55OC
IO 2.0
UNIT
A
Forward surge current
8.3ms single half sine-wave (JEDEC methode)
IFSM
60 A
Reverse current
Diode junction capacitance
Storage temperature
VR = VRRM TJ = 25OC
VR = VRRM TJ = 100OC
f=1MHz and applied 4V DC reverse voltage
5.0
IR
µA
150
CJ 60 pF
TSTG
-65
+175 OC
SYMBOLS
V
R
*
RM
1
(V)
V
*
RMS
2
(V)
V
*
R
3
(V)
V
*
F
4
(V)
trr *5
(ns)
SF21
SF22
SF23
SF24
SF25
SF26
50 35 50
100 70 100
0.95
150 105 150
200 140 200
300 210 300
35
1.25
400 280 400
SF27
SF28
500 350 500
1.70
600 420 600
Note 1. Reverse recovery time test condition, IF=0.5A, IR=1.0A, IRR=0.25A
Operating
temperature
TJ, (OC)
-55 to +125
*1 Repetitive peak reverse voltage
*2 RMS voltage
*3 Continuous reverse voltage
*4 Maximum forward voltage@IF=2.0A
*5 Maximum Reverse recovery time, note 1
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 2
Document ID Issued Date
DS-222407 2008/02/10
Revised Date Revision
2010/05/10
C
Page.
6



Formosa MS SF21
Rating and characteristic curves (SF21 THRU SF28)
FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50W
NONINDUCTIVE
10W
NONINDUCTIVE
+0.5A
(+)
25Vdc
(approx.)
()
D.U.T.
1W
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
()
PULSE
GENERATOR
(NOTE 2)
(+)
0
-0.25A
trr
|
|
|
|
|
|
|
|
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
FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
2.4
2.0
1.6
1.2 Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.8
0.375"(9.5mm) Lead Length
0.4
0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE,(°C)
FIG.3-TYPICAL FORWARD
CHARACTERISTICS
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
FORWARD VOLTAGE,(V)
FIG.5-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
NUMBER OF CYCLES AT 60Hz
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
175
150
125
100
75
50
25
0
.01
FIG.6-TYPICAL JUNCTION CAPACITANCE
.05 .1
.5 1
5
REVERSE VOLTAGE,(V)
10
50 100
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 3
Document ID Issued Date
DS-222407 2008/02/10
Revised Date Revision
2010/05/10
C
Page.
6







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