WILLAS
2.0A SURFACE MOUNT SUPER FAST RECTIFIERS -50V- 600V
SMA-LS PACKAGE
FEATURES
*
Batch process design,excellent power dissipation offers
better reverse leakage current and thermal resistance.
*
Low profile surface mounted application in order to
optimize board space.
*
High current capability, low forward voltage drop.
*
High surge capability.
*
Superfast recovery tim for switching mode application.
*
Glass passivated chip junction.
* RoHS product for packing code suffix "G"
Halogen free product for packing code suffix "H"
.196(4.90)
.180(4.50)
SFM21L
SFM28L
THRU
.012(0.30)Typ.
.106(2.70)
.091(2.30)
MECHANICAL DATA
Case: Molded plastic, DO-214AC / SMA-LS
Epoxy: UL 94V-O rate flame retardant
Terminals: Solder plated, solderable per
MIL-STD-750, Method 2026.
Mounting position: Any
Weight: Approximated 0.05 gram.
.040(1.00) Typ.
.068(1.70)
.060(1.50)
.040(1.00) Typ.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
Single phase half wave, 60Hz, resistive of inductive load.
For capacitive load, derate current by 20%
R
A
T IN G S
Marking Code
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 2)
Typical Junction Capacitance (Note 1)
Operating Temperature Range
Storage Temperature Range
CHARACTERISTICS
Maximum Forward Voltage at 2.0A DC
Maximum Average Reverse Current at
Rated DC Blocking Voltage
@T
J=25℃
@T
J=100℃
SYM
B
O
L
SFM21L SFM22L SFM23L SFM24L SFM25L SFM26L SFM27L
S21
V
RRM
V
RMS
V
DC
I
O
I
FSM
R
ΘJC
C
J
T
J
TSTG
SFM28L
UNIT
Volts
Volts
Volts
Amps
Amps
℃/W
P
F
S22
100
70
100
S23
150
105
150
S24
200
140
200
S25
300
210
300
2.0
50
35
25
S26
400
280
400
S27
500
350
500
S28
600
420
600
50
35
50
-55 to +150
-55 to +150
SFM28L
℃
℃
UNIT
Volts
uAmps
nS
SYMBOL
SFM21L SFM22L SFM23L SFM24L SFM25L SFM26L SFM27L
V
F
I
R
Trr
0.95
5
100
35
1.25
1.70
Maximum Reverse Recovery Time (Note 3)
NOTES:
1- Measured at 1 MHZ and applied reverse voltage of 4.0 VDC.
2- Thermal Resistance From Junction to
case mounted on FR-4 PCB.
3- Reverse recovery time test condition, I=0.5A, I=1.0A, I=0.25A
2012-12
WILLAS ELECTRONIC CORP.
WILLAS [ WILLAS ELECTRONIC CORP ]
