Fast Rectifiers. SF25G Datasheet

SF25G Rectifiers. Datasheet pdf. Equivalent

Part SF25G
Description Glass Passivated Junction Super Fast Rectifiers
Feature SF21G thru SF28G Glass Passivated Junction Super Fast Rectifiers Reverse Voltage 50 to 600V Forwar.
Manufacture LRC
Datasheet
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SF25G
SF21G thru SF28G
Glass Passivated Junction Super Fast Rectifiers
Reverse Voltage 50 to 600V Forward Current 2.0A
FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
* Ideally suited for use in very high frequency switching
power supplies,inverters and as free wheeling diodes
* Cavity-free glass passivated junction
* Ultrafast recovery time for high efficiency
* Soft recovery characteristics
* Excellent high temperature switching
* High temperature soldering guaranteed:
260°C/10 seconds
Mechanical Data
Case: JEDEC DO-15, molded plastic over glass die
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.015 oz., 0.40 g
Handling precautin:None
1.Electrical Characteristic
We declare that the material of product compliance
with ROHS requirements
Maximum & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol SF21G SF22G SF23G SF24G SF25G SF26G SF27G SF28G Unit
device marking code
SF21G SF22G SF23G SF24G SF25G SF26G SF27G SF28G
Maximum repetitive peak reverse voltage
VRRM
50 100 150 200 300 400 500 600 V
Maximum RSM voltage
VRSM
35 70 105 140 210 280 350 420 V
Maximum DC blocking voltage
VDC 50 100 150 200 300 400 500 600 V
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA = 75°C
IF(AV)
2.0 A
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
IFSM
75 A
Typical thermal resistance (Note 2)
Operating junction and storage temperature range
RθJA
TJ, TSTG
45
50 to +150
°C/W
°C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol SF21G SF22G SF23G SF24G SF25G SF26G SF27G SF28G
Maximum instantaneous forward voltage at 2.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 125°C
VF
IR
0.95
1.25
5.0
200
1.7
Typical reverse recovery time (Note 1)
trr
35
Typical junction capacitance at 4.0V, 1MHz
CJ
25.0
NOTES:
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Thermal resistance from junction to ambient at 0.375(9.5mm) lead length, P.C.B. mounted
Unit
V
µA
ns
PF



SF25G
SF21G thru SF28G
2.Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 2 Maximum Non-repetitive Peak
Fig. 1 Forward Current Derating Curve
Forward Surge Current
60 Hz
100
TJ = TJ max
Resistive or
8.3ms Single Half Sine-wave
2.0
Inductive Load
80 (JEDEC Method)
60
1.0 40
0.375" (9.5mm) Lead Length
0
0 25 50 75 100 125 150 175
Ambient Temperature, °C
Fig 3. Typical Instantaneous Forward
Characteristics
100
TJ = 25°C
Pulse width = 300µs
10 1% Duty Cycle
20
0
1 10
Number of Cycles at 60Hz
100
Fig 4. Typical Reverse Characteristics
100
Tj=100
10
1.0 1.0 Tj=25
0.1 0.1
0.01
0.6 0.8 1.0 1.2 1.4
Instantaneous Forward Voltage (V)
Fig 5. typical transient thermal
impedance
1.6
0.01 0
20 40
60 80 100
Percent of Rated Peak Reverse Voltage (%)
Fig 6. Typical Junction Capacitance
100 20 TJ = 25°C
f = 1.0 MHz
10 Vsig = 50mVp-p
10
1.0
0.1
0.01
0.1 1.0 10
t,Pulse duration,sec
100
1.0
0.1
1 10
Reverse Voltage (V)
100





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