SF21G
THRU
SF26G
2.0 Amp Super Fast
Glass Passivated
50 to 400 Volts
Features
• High reliability
• High current capability
• Low forward voltage drop
• High surge capability
Maximum Ratings
• Operating Temperature: -65°C to +150°C
• Storage Temperature: -65°C to +150°C
• For capacitive load, derate current by 20%
MCC
Part Number
Maximum
Recurrent
Peak Reverse
Voltage
Maximum
RMS
Voltage
Maximum DC
Blocking
Voltage
SF21G 50V 35V 50V
SF22G 100V 70V 100V
SF23G 150V 105V 150V
SF24G 200V 140V 200V
SF25G 300V 210V 300V
SF26G 400V 280V 400V
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current IF(AV) 2.0A TC = 55°C
Peak Forward Surge
Current IFSM 50A 8.3ms, half sine
Maximum
Instantaneous
Forward Voltage
SF21G-SF24G
SF25G-SF26G
VF 0.95V
1.3V
IFM = 2.0A;
TC = 25°C
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR 5.0uA
100uA TC = 25°C
TC = 125°C
Typical Junction
Capacitance
SF21G-SF24G
SF25G-SF26G
CJ 60pF
30pF
Measured at
1.0MHz, VR=4.0V
Maximum Reverse
Recovery Time TRR 35nS IF=0.5A, IR=1.0A,
IRR=0.25A
Pulse Test: Pulse width 300 usec, Duty cycle 1%.
A
B
C
D
D
Cathode
Mark
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A.230 .300 5.80 7.60
B.104 .140 2.60 3.60
C.026 .034 .70 .90
D1.000 --- 25.40 ---
DO-15
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MCC
Revision: 1 2005/08/04
Rectifier
Average Forward Rectified Current Per Leg - Amperes versus
Case Temperature - °C
Figure 3
Forward Derating Curve
0 150 25 50 75 100
0
0.5
1.0
1.5
Single Phase, Half Wave
60Hz Resistive or Inductive Load
Amps
°C
125
2.0
2.5
3.0
Instantaneous Reverse Current - uAmperes versus
Percent of Rated Peak Reverse Voltage - %
Figure 1
Typical Reverse Characteristics
uAmps
Volts
MCC
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SF21G thru SF26G
Revision: 1 2005/08/04
Tj=150C
Tj=125C
Tj=25C
0 20 40
60 80 100 120 140
1
10
100
1000
Instantaneous Forward Current - Amperes versus
Instantaneous Forward Voltage - Volts
Figure 2
Typical Forward Characteristics
4
6
20
10
Amps
.4 .6 .8 1.0 1.2 1.4
.01
.02
.04
.06
.1
.2
.4
.6
1
2
Volts
SF21G~SF24G
SF25G~SF26G
trr
+0.5A
0
-0.25
-1.0
1cm
Set Time Base for 20/100ns/cm
25Vdc
1Ω
50Ω
10Ω
Oscilloscope
Note 1
Pulse
Generator
Note 2
Notes:
1. Rise Time = 7ns max.
Input impedance = 1 megohm, 22pF
2. Rise Time = 10ns max.
Source impedance = 50 ohms
3. Resistors are non-inductive
Figure 6
Reverse Recovery Time Characteristic And Test Circuit Diagram
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MCC
Figure 4
Maximum Non-repetitive Forward Surge Current
PEAK FORWARD SURGE CURRENT. (A)
1
2 5 10 20 10050
0
10
40
30
20
50
60
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine Wave
JEDEC Method
Figure 5
JUNCTION CAPACITANCE.(pF)
.1 .5 1 52 10 20 50 100 200 500 1000
0
25
50
75
100
125
150
REVERSE VOLTAGE. (V)
SF21G~SF24G
SF25G~SF26G
Typical Junction Capacitance
SF21G thru SF26G
Revision: 1 2005/08/04
