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SK32B THRU SK310B
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 100 Volts Forward Current - 3.0 Ampere
FEATURES
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
For surface mounted applications
Metal silicon junction,majority carrier conduction
Low reverse leakage
Built-in strain relief,ideal for automated placement
High forward surge current capability
High temperature soldering guaranteed:
250 C/10 seconds at terminals
MECHANICAL DATA
Case: JEDEC SMB(DO-214AA) molded plastic body
Terminals: Solder plated , solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.005 ounce, 0.138 grams
SMB ( DO-214AA )
.083(2.11)
.075(1.91)
.155(3.94)
.130(3.30)
.185(4.70)
.160(4.06)
.096(2.44)
.084(2.13)
.060(1.52)
.030(0.76)
.220(5.59)
.200(5.08)
.012(.305)
.006(.152)
.008(.203)
.002(.051)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics @TA=25°C unless otherwise specified
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current @TL = 75°C
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)
Forward Voltage
@IF = 3.0A
Peak Reverse Current
@TA = 25°C
At Rated DC Blocking Voltage @TA = 100°C
Typical Thermal Resistance (Note 1)
Operating Temperature Range
Storage Temperature Range
Symbol SK32B SK33B SK34B SK35B SK36B SK38B SK39B SK310B Unit
VRRM
VRWM 20 30 40 50 60 80 90 100 V
VR
VR(RMS)
14
21
28
35
42 56 64 71
V
IO 3.0 A
IFSM 70 A
VFM
IRM
R JL
R JA
Tj
TSTG
0.50
0.70
0.5
10
17
75
-65 to +125
-65 to +150
0.85
V
mA
°C/W
°C
°C
Note: 1. Mounted on P.C. Board with 5.0mm2 copper pad area.

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SK32B THRU SK310B
RATINGS AND CHARACTERISTIC CURVES
FIG. 1- MAXIMUM FORWARD CURRENT DERATING
CURVE
3.0
RESISTIVE OR
INDUCTIVELOAD
2.0
1.0
PCB MOUNTED ON 0.4X0.4"
(10X10mm)COPPER PAD AREAS
0 50 60 70 80 90 100 110
120 130 140 150
160
LEAD TEMP ERATURE.( OC)
FIG. 3- TYPICAL FORWARD CHARACTERISTICS
40
Tj=125OC
10
FIG. 2- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
150
AT RATED TL
8.3ms Single Half Sine Wave
120 JEDEC Method
90
60 SK32BS-KS3K93B6-SBK310B
30
0 1 10
NUMBER OF CYCLES AT 60Hz
FIG. 4- TYPICAL REVERSE CHARACTERISTICS
20
10
TJ=125OC
100
Tj=125OC
1
PULSE WIDTH=300 S
1% DUTY CYCLE
1
TJ=75OC
0.1
Tj=25OC
0.1
0.01
0
SK39B-SK310B
SK32B-SK34B
SK35B-SK36B
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.5
FORWARD VOLTAGE.(V)
FIG. 5- TYPICAL JUNCTION CAPACITANCE
1000
100
Tj=25OC
f=1.0MHz
Vsig=50mVp-p
SK3S9KBS3-KS53KB23-BS1-K0SB3K63B4B
0.01
TJ=25OC
0.001
0
20 40
SK39B-SK310B
SK32B-SK34B
SK35B-SK36B
60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE.(%)
FIG.6- TYPICAL TRANSIENT THERMAL
CHARACTERISTICS
100
10
1
10
0.1
1 10
REVERSE VOLTAGE.(V)
0.1
100 0.01
0.1 1 10
t, PULSE DURATION, (sec)
100