Fast Rectifiers. SF21G Datasheet

SF21G Rectifiers. Datasheet pdf. Equivalent

Part SF21G
Description Glass Passivated Super Fast Rectifiers
Feature 2.0 Amp Glass Passivated Super Fast Rectifiers - 50~600Volts DO-15 Package SF21G THRU SF28G Featur.
Manufacture WILLAS
Datasheet
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SF21G
2.0 Amp Glass Passivated Super Fast Rectifiers - 50~600Volts
DO-15 Package
SF21G
THRU
SF28G
Features
Glass Passivated Chip
Low Forward Voltage
High Current Capability
High reliability
Super Fast Switching Speed
High Surge Current Capability
Moisture Sensitivity Level 1
RoHS product for packing code suffix “G”
Halogen free product for packing code suffix “H”
Mechanical Date
Case: Molded Plastic, DO-15
Epoxy: UL 94V-0 Rate Flame Retardant
Lead: Solderable per MIL-STD-202,
method 208 guaranteed
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.015 ounce, 0.38 gram (Approximate)
DO-15
.034(0.90)
.028(0.70)
.300(7.63)
.230(5.80)
.142(3.61)
.102(2.60)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRONICAL CHARACTERISTICS
Ratings at 25ambient temperature unless otherwise specified.
Single phase half wave, 60Hz, resistive of inductive load.
For capacitive load, derate current by 20%
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward rectifier Current
0.375” (9.5mm) Lead length at Ta = 55
SYMBOLS SF21G
VRRM
50
VRMS
35
VDC 50
IF(AV)
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
IFSM
Maximum Instantaneous Forward Voltage at 2.0A DC
Maximum DC Reverse Current at
@ Ta=25
Rated DC Blocking Voltage
@ Ta=100
VF
IR
Maximum Reverse Recovery Time (Note 1)
TRR
Typical Thermal Resistance (Note 3)
Typical Junction Capacitance(Note 2)
Operating and Storage Temperature Range
RθJA
RθJL
CJ
TJ ,TSTG
SF22G
100
70
100
SF23G
150
105
150
SF24G
200
140
200
SF25G
300
210
300
SF26G
400
280
400
2.0
50
0.95
1.30
5.0
100
35
45
18
35 25
-55 ~ 150
SF28G
600
420
600
1.75
UNITS
Volts
Volts
Volts
Amps
Amps
Volts
μA
ns
/W
pF
Notes:
1. Test Conditions: IF = 0.5A, IR = -1.0A, IRR = -0.25A
2. Measured at 1MHz and applied reverse voltage of 4.0VDC.
3. Typical Thermal Resistance: At 9.5mm lead lengths, PCB mounted.
2013-01
WILLAS ELEECTRONIC CORP.



SF21G
2.0 Amp Glass Passivated Super Fast Rectifiers - 50~600Volts
DO-15 Package
RATING AND CHARACTERISTICS CURVES
SF21G
THRU
SF28G
50 Θ
NONINDUCTIVE
10 Θ
NONINDUCTIVE
+0.5A
trr
2.5
2.0
(+)
25 Vdc
(approx)
(-)
D.U.T
1
NON-
INDUCTIVE
(-)
PULSE
GENERATOR
(NOTE 2)
0
-0.25A
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
1.5
1.0
0.5
0
0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
25 50
75
100 125 150 175
AMBIENT TEMPERATURE, ( OC)
FIG.2 TYPICAL FORWARD CURRENT
DERATING CURVE
100
TA = 100 OC
10
TA = 75 OC
1.0
0.1 TA = 25 OC
0.01
0 20
40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG.3 TYPICAL REVERSE
CHARACTERISTICS
20
10
TJ = 25 OC
3.0
1.0 SF28G
0.3 SF25G~SF26G
0.1
S F 2 1 G ~ S F 2 4G
0.03
Pulse Width=300uS
1% Duty Cycle
0.01
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG.4 TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
200
8.3ms Single Half Sine-Wave
(JEDED Method)
100
50
30
20
101
5 10
50 100
NUMBER OF CYCLES AT 60Hz
FIG.5 MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
200
O
100 TJ = 25 C
60 SF21G~SF24G
40
20
10 SF25G~SF28G
6
4
2
1
0.1 0.2 0.4
1.0 2 4
10 20 40 100
REVERSE VOLTAGE, (V)
FIG.6 TYPICAL JUNCTION CAPACITANCE
2013-01
WILLAS ELEECTRONIC CORP.





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