SK32B THRU SK310B
3.0 AMPS. Surface Mount Schottky Barrier Rectifiers
Voltage Range 20 to 100 Volts Current 3.0 Amperes
Features
For surface mounted application Metal to silicon rectifier, majority carrier conduction Low forward voltage drop Easy pick and place High surge current capability Plastic material used carriers Underwriters Laboratory Classification 94V-O Epitaxial construction High temperature soldering: o 260 C / 10 seconds at terminals
.082(2.08) .076(1.93)
SMB/DO-214AA
.147(3.73) .137(3.48)
.187(4.75) .167(4.25) .012(.31) .006(.15)
Mechanical Data
Case: Molded plastic Terminals: Solder plated Polarity: Indicated by cathode band Packaging: 16mm tape per EIA STD RS-481 Weight: 0.1 gram
.103(2.61) .078(1.99) .012(.31) .006(.15) .056(1.41) .035(0.90) .208(5.28) .200(5.08) .008(.20) .004(.10)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol SK SK SK SK Type Number
32B
Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at TL (See Fig. 1) Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 3.0A Maximum DC Reverse Current (Note 1) @ TA =25℃at Rated DC Blocking Voltage @ TA=100℃
33B 30 21 30
34B 40 28 40
35B 50 35 50 3.0
SK 36B 60 42 60
SK SK Units 39B 310B 90 63 90 100 70 100 V V V A 150 A V mA mA ℃/W ℃ ℃
VRRM VRMS VDC I(AV) IFSM VF IR
20 14 20
100 0.5 0.5 0.75
0.85
0.6 10.0 20.0 Typical Thermal Resistance ( Note 2 ) RθJL 17 75 RθJA Operating Temperature Range TJ -55 to +125 -55 to +150 Storage Temperature Range TSTG -55 to +150 Notes: 1. Pulse Test with PW=300 usec, 1% Duty Cycle 2. Measured on P.C.Board with 0.4 x 0.4”(10 x 10mm) Copper Pad Areas. 20
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RATINGS AND CHARACTERISTIC CURVES (SK32B THRU SK310B)
FIG. 1- MAXIMUM FORWARD CURRENT DERATING CURVE
3.0
FIG. 2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
150
PEAK FORWARD SURGE CURRENT.(A)
AVERAGE FORWARD CURRENT.(A)
RESISTIVE OR INDUCTIVELOAD
SK
SK
2.0
120
AT RATED TL 8.3ms Single Half Sine Wave JEDEC Method
B-S 35
B-S 32 4B K3
90
B 10 K3
SK
60
39B
-SK
1.0
SK3
310
2B-
B
SK3
6B
30
PCB MOUNTED ON 0.4X0.4" (10X10mm)COPPER PAD AREAS 0 50 60 70 80 90 100 110 120 O LEAD TEMP ERATURE.( C) 130 140 150 160
0
1
10 NUMBER OF CYCLES AT 60Hz
100
FIG. 3- TYPICAL FORWARD CHARACTERISTICS
40
FIG. 4- TYPICAL REVERSE CHARACTERISTICS
20 10
Tj=125 C
INSTANTANEOUS FORWARD CURRENT.(A)
10
O
INSTANTANEOUS REVERSE CURRENT.(mA)
TJ=125 C
O
1
Tj=125 C
1
O
PULSE WIDTH=300 S 1% DUTY CYCLE
TJ=75 C 0.1
O
Tj=25 C
0.1
O
0.01 TJ=25 C
SK39B-SK310B SK32B-SK34B SK35B-SK36B
O
SK39B-SK310B SK32B-SK34B SK35B-SK36B
0.01 0
0.001 0.2 1.2 0.4 0.6 0.8 1.0 FORWARD VOLTAGE.(V) 1.4 1.5
0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE.(%)
FIG. 5- TYPICAL JUNCTION CAPACITANCE
TRANSCIENT THERMAL IMPEDANCE, OC/W
1000 100
FIG.6- TYPICAL TRANSIENT THERMAL CHARACTERISTICS
JUNCTION CAPACITANCE.(pF)
Tj=25 C f=1.0MHz Vsig=50mVp-p
O
SK SK
100
32
B-S
10
35
K3
B-S
4B
K3
SK
6B
39
B-S
K3
10
1
B
10 0.1
1 REVERSE VOLTAGE.(V)
10
100
0.1 0.01
0.1
1 t, PULSE DURATION, (sec)
10
100
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