ZOWIE SF26

SF21 THRU SF26
SUPER FAST RECTIFIER
Reverse Voltage - 50 to 400 Volts
Forward Current - 2.0 Amperes
DO-204AC
FEATURES
1.0(25.4)
MIN.
* The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
* Super fast switching speed
* Low leakage
* Low forward voltage drop
* High current capability
* High surge capability
* High reliability
* Good for switching mode circuit
1.0(25.4)
MIN.
0.300(7.6)
0.230(5.8)
0.140(3.6)
0.104(2.6)
DIA.
MECHANICAL DATA
Case : JEDEC DO-204AC molded plastic
Terminals : Plated axial leads , solderable per MIL-STD-750,
Method 2026
Polarity : Color band denotes cathode end
Mounting Position : Any
Weight : 0.015 ounes , 0.4 gram
0.034(0.86)
0.028(0.71)
DIA.
*Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
o
Ratings at 25 C ambient temperature
SYMBOLS
SF21
SF22
SF23
SF24
SF25
SF26
UNITS
Maximum repetitive peak reverse voltage
VRRM
50
100
150
200
300
400
Volts
Maximum RMS voltage
VRMS
35
70
105
140
210
280
Volts
VDC
50
100
150
200
300
400
Volts
unless otherwise specified.
Maximum DC blocking voltage
Maximum average forward rectified current
o
0.375" (9.5mm) lead length at TL=55 C
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum instantaneous forward voltage at 2.0 A
Maximum DC reverse current
at rated DC blocking voltage
I(AV)
2.0
Amps
IFSM
75
Amps
VF
0.95
o
TA=150 C
IR
Maximum reverse recovery time (NOTE 1)
trr
Typical junction capacitance (NOTE 2)
CJ
Operating junction and storage temperature range
Volts
5.0
TA=25 C
o
1.25
TJ,TSTG
uA
50
35
30
nS
20
-65 to +150
pF
o
C
NOTES : (1) Reverse recovery test condition : IF 0.5A, IR=1.0A, Irr=0.25A
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
REV. : 0
Zowie Technology Corporation
RATINGS AND CHARACTERISTIC CURVES SF21 THRU SF26
FIG.1 - TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
FIG.2 - FORWARD CURRENT DERATING CURVE
50
NONINDUCTIVE
(+)
25 Vdc
( approx )
(-)
10
NONINDUCTIVE
+0.5A
(-)
D.U.T.
1
NONINDUCTIVE
trr
0
PULSE
GENERATOR
( NOTE 2 )
OSCILLOSCOPE
( NOTE 1 )
-0.25A
(+)
-1.0A
SET TIME BASE
FOR 10ns/cm
NOTES : 1. Rise Time = 7ns max. Input Impedance=
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance=
50 ohms.
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
3.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
2.5
2.0
1.5
1.0
0.5
0.375" (9.5mm) LEAD LENGTH
0
0
25
50
75
100
125
150
175
o
AMBIENT TEMPERATURE, C
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG.4 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
1.00
5~
SF
26
o
TJ = 25 C
SF
2
~S
F2
4
PEAK FORWARD SURGE CURRENT,
AMPERES
75
SF
21
IINSTANTANEOUS FORWARD CURRENT,
AMPERES
10.00
0.10
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
60
45
30
15
0
1
10
100
NUMBER OF CYCLES AT 60Hz
PULSE WIDTH=300uS
1% DUTY CYCLE
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
FIG.6 - TYPICAL JUNCTION CAPACITANCE
200
JUNCTION CAPACITANCE, pF
INSTANTANEOUS REVERSE LEAKAGE
CURRENT, MICROAMPERES
100
o
TJ = 150 C
10
o
TJ = 100 C
1.0
o
TJ = 25 C
100
60
40
20
10
6
4
SF21~SF24
SF25~SF26
2
1
.1
0.1
.2
.4
1.0
2
4
10
20
40
100
REVERSE VOLTAGE, VOLTS
o
TJ = 25 C
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
REV. : 0
Zowie Technology Corporation