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SK32B - SK320B
3.0AMPS Surface Mount Schottky Barrier Rectifiers SMB/DO-214AA
Pb
RoHS
COMPLIANCE
Features
UL Recognized File # E-326243 For surface mounted application Metal to sillicon rectifier, majority carrier conduction Low forward voltage drop Easy pick and place High surge current capability Plastic material used carriers Underwriters Laboratory Classification 94V-0 Epitaxial construction High temperature soldering: 260℃/10 seconds at terminals Green compound with suffix "G" on packing code & prefix "G" on datecode
Mechanical Data
Case: Molded plastic Terminals: Pure tin plated, lead free Polarity: Indicated by cathode band Packaging: 16mm tape per EIA STD RS-481 Weight: 0.1 gram
Dimensions in inches and (millimeters) Marking Diagram
SK3XB = Specific Device Code G Y M = Green Compound = Year = Work Month
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%
Type Number
Maximum Repetitive Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surge Current, 8.3 ms Single Half Sinewave Superimposed on Rated Load Maximum Instantaneous Forward Voltage (Note 1) @ 3.0A Maximum Reverse Current @ Rated VR TA=25 ℃ TA=100 ℃ TA=125℃
Symbol VRRM VRMS VDC IF(AV) IFSM VF
SK 32B 20 14 20
SK 33B 30 21 30
SK 34B 40 28 40
SK 35B 50 35 50
SK 36B 60 42 60 3.0 70
SK 39B 90 63 90
SK 310B 100 70 100
SK 315B 150 105 150
SK 320B 200 140 200
Unit V V V A A
0.5 0.5
0.75
0.85 0.1
0.95
V
IR RθjL RθjA TJ TSTG
10
5
2 17 75
mA
-
Typical Thermal Resistance Operating Temperature Range Storage Temperature Range Note 1: Pluse Test with PW=300 usec, 1% Duty Cycle
O
C/W
O O
- 55 to + 125
- 55 to + 150 - 55 to + 150
C C
Version:E11
RATINGS AND CHARACTERISTIC CURVES (SK32B THRU SK320B)
FIG.1 FORWARD CURRENT DERATING CURVE
3.5
AVERAGE FORWARD A CURRENT (A)
FIG. 2 MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
150
PEAK FORWARD SURGE A CURRENT (A)
3 2.5 2 1.5 1 0.5 0 50 60 70 SK32B-SK34B
RESISTIVE OR INDUCTIVELOAD SK35B-SK320B
120 90 60 30 0
AT RATED TL 8.3mS Single Half Sine Wave JEDEC Method
80 90 100 110 120 LEAD TEMPERATURE (oC)
130
140
150
1
10 NUMBER OF CYCLES AT 60 Hz
100
FIG. 3 TYPICAL FORWARD CHARACTERISRICS
100 100
FIG. 4 TYPICAL REVERSE CHARACTERISTICS
SK35B-SK36B
INSTANTANEOUS REVERSE A CURRENT (mA) 10
TA=125℃
INSTANTANEOUS FORWARD A CURRENT (A)
10
SK32B-SK34B
1
TA=75℃
1
0.1
SK39B-SK320B
TA=25℃
0.01
0.1
SK32B-SK34B SK35B-SK320B
0.001 0 0 0.2 0.4 0.6 0.8 FORWARD VOLTAGE (V) 1 1.2 1.4 20 40 60 80 100 120 140
0.01
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
FIG. 5 TYPICAL JUNCTION CAPACITANCE
TRANSIENT THERMAL IMPEDANCE A (℃/W)
FIG. 6 TYPICAL TRANSIENT THERMAL IMPEDANCE
100
1000 SK32B-SK34B
CAPACITANCE (pF)
SK35B-SK36B
10
100 SK39B-SK320B
1
10 0.1 1 10 100
REVERSE VOLTAGE (V)
0.1 0.01
0.1
1
T-PULSE DURATION(s)
10
100
Version:E11
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