SF21 Datasheet, PDF (1/7 Pages) Mospec Semiconductor – POWER RECTIFIERS(2.0A,50-400V)

SF21 thru SF28
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
* Deffused 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 body
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
We declare that the material of product
Handling precautin:None
compliance with ROHS requirements
1.Electrical Characteristic
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
SF
21
SF
22
SF
23
SF
24
SF
25
SF
26
SF
27
device marking code
SF SF SF SF SF SF SF
21 22 23 24 25 26 27
Maximum repetitive peak reverse voltage
V_RRM
50 100 150 200 300 400 500
Maximum RSM voltage
V_RSM
35 70 105 140 210 280 350
Maximum DC blocking voltage
V_DC
50 100 150 200 300 400 500
Maximum average forward rectified current
0.375" (9.5mm) lead length at T_A = 75°C
IF(AV)
2.0
Peak forward surge current 8.3ms single half sine-
wave superimposed on rated load (JEDEC Method)
I_FSM
60
Typical thermal resistance (Note 2)
RθJA
45
Operating junction and storage temperature range
TJ, TSTG
–50 to +150
SF
28
Unit
SF
28
600 V
420 V
600 V
A
A
°C/W
°C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
SF
21
SF
22
SF
23
SF
24
SF
25
SF
26
Maximum instantaneous forward voltage at 2.0A
V_F
0.95
1.25
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 100°C
IR
5.0
200
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
SF
27
SF
28
Unit
1.7
V
µA
ns
PF