WILLAS SK32AF

SK32AF
THRU
SK320AF
3.0AMP SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS -20V-200V
Pb Free Product
SMAF(DO-221AC) PACKAGE
FEATURES
* Low profile package
* Ideal for automated placement
* Guard Ring for over voltage protection
2
1
MECHANICAL DATA
0
0.035(0.90)
Halogen free product for packing code suffix "H"
0.116(2.95)
0.088(2.25)
* RoHS Product for packing code suffix "G",
0.044(1.10)
* Low forward voltage drop
0.065(1.65)
0.049(1.25)
0.181(4.60)
0.155(3.95)
0.220(5.60)
0.189(4.80)
* Case: Molded plastic,DO-221AC/ SMAF
* Epoxy: UL 94V-O rate flame retardant
* Terminals: Solder Plated, solderable per
MIL-STD-750, Method 2026
* Mounting position: Cathod Band
* Weight: Approximated 0.032 gram.
0.059(1.50)
0.029(0.75)
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%
RATINGS
SYMBOL SK32AF SK33AF SK34AF SK35AF SK36AF SK38AF SK310AF SK315AF SK320AF
Marking Code
32AF
33AF
34AF
35AF
36AF
38AF
310AF
315AF
320AF
UNIT
Maximum Recurrent Peak Reverse Voltage
VRRM
20
30
40
50
60
80
100
150
200
Volts
Maximum RMS Voltage
VRMS
14
21
28
35
42
56
70
105
140
Volts
Maximum DC Blocking Voltage
VDC
20
30
40
50
60
80
100
150
200
Volts
Maximum Average Forward Rectified Current
0.375" (9.5mm) lead length (see Fig.1)
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
IO
3.0
Amps
IFSM
80
Amps
70/30
RΘJA/RΘJC
Typical Junction Capacitance (Note 2)
CJ
Operating Temperature Range
TJ
Storage Temperature Range
150
180
CHARACTERISTICS
Maximum Average Reverse Current at
@TC=25℃
Rated DC Blocking Voltage
@TC=100℃
100
-55 to +125
80
PF
-55 to +150
℃
-55 to +150
TSTG
Maximum Instantaneous Forward Voltage at 3.0A DC(Note
℃/W
110
℃
SYMBOL SK32AF SK33AF SK34AF SK35AF SK36AF SK38AF SK310AF SK315AF SK320AF
UNIT
0.70
Volts
VF
IR
0.45
0.5
0.85
0.87
0.5
0.2
10
5
0.90
mAmps
NOTES :1. Thermal Resistance forJunction to Ambient: Vertical PC Board Mounting, 0.5” (12.7mm) Lead Length.
Thermal Resistance for Junction to Case
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
3. Measured at Pulse Width 300μs, Duty Cycle 2%.
2011-12
WILLAS ELECTRONIC CORP.
SK32AF
THRU
SK320AF
3.0AMP SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS -20V-200V
Pb Free Product
SMAF(DO-221AC) PACKAGE
FIG. 1-TYPICAL FORWARD CURRENT DERATING CURVE
FIG. 2-TYPICAL FORWARD CHARACTERISTICS
100.00
INSTANTANEOUS F
FORWARD CURRENT (A)
AVERAGE FO
ORWARD CURRENT,(A)
5
S<32AF~^<310AF
4
S<315AF~S<320AF
3
2
1
0
0
20
40
60
80
100
120
140
160
180
200
10.00
1.00
0.10
SK32AF~SK34AF
SK35AF~SK36AF
SK38AF~SK310AF
SK315AF
SK320AF
0.01
0.2
AMBIENT TEMPERATURE(℃)
0.4
0.6
0.8
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
100
REVERSE LEAKAG
GE CURRENT (mA)
100
TJ=25℃ 8.3ms Single
Half Sine Wave
JEDEC method
80
60
40
20
25℃
10
100℃
1
01
0.1
0.01
0.001
0.0001
0
1
10
100
20
40
60
80
FIG. 5-TYPICAL JUNCTION CAPACITANCE
500
SK32AF~SK34AF
SK35AF~SK36AF
SK38AF~SK310AF
SK315AF
SK320AF
400
300
200
100
0
0
1
10
100
REVERSE VOLTAGE (V)
2011-12
100
PERCENTAGE RATED PEAK REVERSE VOLTAGE (%)
NUMBER OF CYCLES AT 60Hz
JUNCTION CAPACITANCE
E (pF)
1.0
FORWARD VOLTAGE (V)
FIG. 3-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT (A)
TJ=25℃ PULSE
W DTH 300us 2%
DUTY CYCLE
WILLAS ELECTRONIC CORP.