SK32 - SK3B
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIERS
PRV : 20 - 100 Volts
I
O
: 3.0 Amperes
FEATURES :
* High current capability
* High surge current capability
* High reliability
* High efficiency
* Low power loss
* Low forward voltage drop
* Pb / RoHS Free
MECHANICAL DATA :
* Case : SMC Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Lead Formed for Surface Mount
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.21 gram
Rating at
25
°
C ambient temperature unless otherwise specified
.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL
SK
32
SK
33
SK
34
SK
35
SK
36
SK
37
SK
38
SK
39
SK
3B
UNIT
Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 70 80 90 100 V
Maximum RMS Voltage VRMS 14 21 28 35 42 49 56 63 70 V
Maximum DC Blocking Voltage VDC 20 30 40 50 60 70 80 90 100 V
Maximum Average Forward Current See Fig.1 IF(AV)3.0 A
Maximum Peak Forward Surge Current,
8.3ms single half sine wave superimposed
on rated load (JEDEC Method)
Maximum Forward Voltage at IF = 3.0 A VF0.5 0.74 0.79 V
Maximum Reverse Current at Ta = 25 °CIR0.5 mA
Rated DC Blocking Voltage (Note 1) Ta = 100 °CIR(H) 20 mA
Junction Temperature Range TJ - 65 to + 125 - 65 to + 150 °C
Storage Temperature Range TSTG - 65 to + 150 °C
Note :
(1) Pulse Test : Pulse Width = 300 µs, Duty Cycle = 2%
Page 1 of 2 Rev. 02 : March 25, 2005
RATING
IFSM 80 A
SMC (DO-214AB)
Dimensions in inches and (millimeter)
0.305(7.75)
0.320(8.13)
0.245(6.22)
0.121(3.07)
0.115(2.92)
0.220(5.59)
0.012(0.305)
0.103(2.62)
0.280(7.11)
0.060(1.52)
0.260(6.60)
0.079(2.00)
0.006(0.152)
0.030(0.76)
0.008(0.203)
0.004(0.102)
RATING AND CHARACTERISTIC CURVES ( SK32 - SK3B )
FIG.1 - FORWARD CURRENT DERATING CURVE FIG.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
0 25 50 75 100 125 150 175 1 2 4 10 20 40 100
LEAD TEMPERATURE, (°C) NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE CHARACTERISTICS
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
Page 2 of 2 Rev. 02 : March 25, 2005
3.0
80
0
100
0
60
40
20
PEAK FORWARD SURGE
CURREN T, AMPERES
AVERAGE FORWARD CURRENT,
AMPERES
10
80
0.01
100
140
0
20
40 60
PERCENT OF RATED REVERSE
VOLTAGE, (%)
TJ= 100 °C
TJ = 25 °C
REVERSE CURRENT, MILLIAMPERES
SK32
SK33
SK34
SK35
THRU
SK3B
1.0
0.1
1
10
FORWARD CURRENT, AMPERES
FORWARD VOLTAGE, VOLTS
20
SK35
SK36
SK37
TJ = 25 °C
PULSE WIDTH = 300µs
DUTY CYCLE = 2%
SK32
SK33
SK34 SK38
SK39
SK3B
1
0.1
120
0.6
1.2
1.8
2.4