GLASS PASSIVATED SUPER FAST RECTIFIER
VOLTAGE RANGE 50 to 600 Volts CURRENT 2.0 Ampere
FEATURES
*
*
*
*
*
*
*
*
*
*
*
*
SF21
THRU
SF27
High reliability
Low leakage
Low forward voltage
High current capability
Super fast switching speed
High surge capability
Good for switching mode circuit
Case: Molded plastic
Epoxy: Device has UL flammability classification 94V-O
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 0.35 gram
DO-15
MECHANICAL DATA
.034 (0.9)
1.0 (25.4)
MIN.
.028 (0.7)
DIA.
.300 (7.6)
.230 (5.8)
.140 (3.6)
.104 (2.6)
DIA.
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
(@ T
A
=25
O
C unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
A
= 55
o
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 3)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
R
q
JA
R
q
JL
C
J
T
J
, T
STG
50
-55 to + 150
SF21
50
35
50
SF22
100
70
100
SF23
150
105
150
SF24
200
140
200
2.0
75
40
15
30
SF25
300
210
300
SF26
400
280
400
SF27
600
420
600
UNITS
Volts
Volts
Volts
Amps
Amps
0
C/ W
pF
0
C
ELECTRICAL CHARACTERISTICS
(@T
A
=25
O
C unless otherwise noted)
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 2.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@T
A
= 25 C
@T
A
= 100 C
o
o
SYMBOL
V
F
I
R
trr
SF21
SF22
0.95
SF23
SF24
2.0
100
35
SF25
1.25
SF26
SF27
1.50
UNITS
Volts
mAmps
Maximum Reverse Recovery Time (Note 1)
50
nSec
2006-12
NOTES : 1. Test Conditions: I
F
= 0.5A, I
R
= -1.0A, I
RR
= -0.25A
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
3. Typical Thermal Resistance : At 9.5mm lead lengths,PCB mounted.
4. "Fully ROHS complaint", "100% Sn plating (Pb-free)"
RATING AND CHARACTERISTICS CURVES ( SF21 THRU SF27 )
50
W
NONINDUCTIVE
10
W
NONINDUCTIVE
+0.5A
trr
(+)
25 Vdc
(approx)
(-)
D.U.T
(-)
PULSE
GENERATOR
(NOTE 2)
0
-0.25A
1
NON-
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
(+)
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 50/100 ns/cm
FIG.1 TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
2.5
AVERAGE FORWARD CURRENT, (A)
INSTANTANEOUS REVERSE CURRENT, (mA)
1000
2
1.5
1
0.5
0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
100
T
A
= 100
O
C
10
T
A
= 75
O
C
1.0
T = 25
O
C
A
0.1
0
25
50
75
100
125
150
175
0
20
40
60
80
100
120
140
AMBIENT TEMPERATURE, (
O
C)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG.2 TYPICAL FORWARD CURRENT
DERATING CURVE
FIG.3 TYPICAL REVERSE
CHARACTERISTICS
RATING AND CHARACTERISTICS CURVES ( SF21 THRU SF27 )
INSTANTANEOUS FORWARD CURRENT, (A)
PEAK FORWARD SURGE CURRENT, (A)
20
10
3.0
1.0
0.3
0.1
0.03
0.01
0
200
100
T
J
= 25 C
O
8.3ms Single Half Sine-Wave
(JEDED Method)
SF27
SF25~SF26
50
30
20
10
SF21~SF24
Pulse Width=300uS
1% Duty Cycle
0.5
1.0
1.5
2.0
2.5
3.0
3.5
1
5
10
50
100
INSTANTANEOUS FORWARD VOLTAGE, (V)
NUMBER OF CYCLES AT 60Hz
FIG.4 TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
200
JUNCTION CAPACITANCE, (pF)
FIG.5 MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
100
60
40
20
10
6
4
2
1
0.1 0.2
0.4
1.0
2
SF25~SF27
SF21~SF24
T
J
= 25
O
C
4
10
20
40
100
REVERSE VOLTAGE, (V)
FIG.6 TYPICAL JUNCTION CAPACITANCE
DISCLAIMER NOTICE
Rectron Inc reserves the right to make changes without notice to any product
specification herein, to make corrections, modifications, enhancements or other
changes. Rectron Inc or anyone on its behalf assumes no responsibility or liabi-
lity for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" paramet-
ers which may be included on RECTRON data sheets and/ or specifications ca-
n and do vary in different applications and actual performance may vary over ti-
me. Rectron Inc does not assume any liability arising out of the application or
use of any product or circuit.
Rectron products are not designed, intended or authorized for use in medical,
life-saving implant or other applications intended for life-sustaining or other rela-
ted applications where a failure or malfunction of component or circuitry may di-
rectly or indirectly cause injury or threaten a life without expressed written appr-
oval of Rectron Inc. Customers using or selling Rectron components for use in
such applications do so at their own risk and shall agree to fully indemnify Rect-
ron Inc and its subsidiaries harmless against all claims, damages and expendit-
ures.
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