RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
SF21
THRU
SF27
GLASS PASSIVATED SUPER FAST RECTIFIER
VOLTAGE RANGE 50 to 600 Volts CURRENT 2.0 Amperes
FEATURES
*
*
*
*
*
*
*
High reliability
Low leakage
Low forward voltage
High current capability
Super fast switching speed
High surge capability
Good for switching mode circuit
DO-15
MECHANICAL DATA
*
*
*
*
*
Case: Molded plastic
Epoxy: Device has UL flammability classification 94V-O
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 0.38 gram
.034 (0.9)
DIA.
.028 (0.7)
1.0 (25.4)
MIN.
.300 (7.6)
.230 (5.8)
.140 (3.6)
DIA.
.104 (2.6)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
1.0 (25.4)
MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
(At T
A
= 25
o
C unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Volts
Maximum DC Blocking Voltage
Maximum Average Forward Current
o
T
A
= 55 C
Peak Forward Surge Current I
FM
(surge):8.3 ms single half
sine-wave superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
C
J
T
J
, T
STG
30
-55 to + 150
SF21
50
35
50
SF22
100
70
100
SF23
150
105
150
SF24
200
140
200
2.0
75
20
SF25
300
210
300
SF26
400
280
400
SF27
600
420
600
UNITS
Volts
Volts
Volts
Amps
Amps
pF
0
C
ELECTRICAL CHARACTERISTICS
(At T
A
= 25 C unless otherwise noted)
CHARACTERISTICS
Maximum Forward Voltage at 2.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@T
A
= 25 C
@T
A
=100 C
trr
35
o
o
o
SYMBOL
V
F
I
R
SF21
SF22
0.95
SF23
SF24
5.0
100
SF25
1.25
SF26
SF27
1.70
UNITS
Volts
uAmps
Maximum Reverse Recovery Time (Note 1)
NOTES : 1. Test Conditions: I
F
=0.5A, I
R
=-1.0A, I
RR
=-0.25A.
2. Measured at 1 MH
Z
and applied reverse voltage of 4.0 volts.
50
nSec
2004-12
REV.A
RATING AND CHARACTERISTIC CURVES ( SF21 THRU SF27 )
AVERAGE FORWARD CURENT, (A)
FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
NONINDUCTIVE
10
NONINDUCTIVE
FIG. 2 - TYPICAL FORWARD
CURRENT DERATING CURVE
3.0
2.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
trr
+0.5A
(-)
PULSE
GENERATOR
(NOTE 2)
(+)
25 Vdc
(approx)
(-)
D.U.T
0
-0.25A
1
NON-
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
(+)
1.0
-1.0A
NOTES:
1 Rise Time = 7ns max. Input Impedance =
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance =
50 ohms.
0
0 25 50 75 100 125 150 175
1cm
SET TIME BASE FOR
10 ns/cm
AMBIENT TEMPERATURE (
)
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT, (uA)
100
TJ = 150
INSTANTANEOUS FORWARD CURRENT, (A)
10
FIG. 4 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
F24
1~S
5~
SF
2
SF
10
TJ = 100
26
1.0
SF2
1.0
.1
.1
TJ = 25
.01
TJ = 25
Pulse Width = 300uS
1% Duty Cycle
.01
0
20
40
60
80
100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
PEAK FORWARD SURGE CURRENT, (A)
.001
0
.2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, (pF)
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
105
90
75
60
45
30
15
0
1
2
5
10
20
50
NUMBER OF CYCLES AT 60Hz
100
8.3ms Single Half Sine-Wave
(JEDEC Method)
200
100
60
40
20
10
6
4
2
1
.1
.2
.4
1.0
2
4
10
20 40 100
TJ = 25
SF2
1~S
F24
SF
27
SF2
5~S
F27
REVERSE VOLTAGE, ( V )
RECTRON
模拟电子
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