SK32S - SK3BS
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
MECHANICAL DATA :
* Case : SMB (DO-214AA) Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Lead Formed for Surface Mount
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.093 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 32S SK 33S SK 34S SK 35S SK 36S SK 37S SK 38S SK 39S SK 3BS UNIT
Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 70 80 90 100 Volts
Maximum RMS Voltage VRMS 14 21 28 35 42 49 56 63 70 Volts
Maximum DC Blocking Voltage VDC 20 30 40 50 60 70 80 90 100 Volts
Maximum Average Forward Current See Fig.1 IF(AV)3.0 Amps.
Peak Forward Surge Current,
8.3ms single half sine wave superimposed
on rated load (JEDEC Method) IFSM 80 Amps.
Maximum Forward Voltage at IF = 3.0 Amps. VF0.5 0.74 0.79 Volt.
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
Notes :
(1) Pulse Test : Pulse Width = 300 µs, Duty Cycle = 2% UPDATE : MAY 10, 1999
RATING
2.3
±
0.2
0.22
±
0.07
2.0 ± 0.1
5.4 ± 0.15
4.8 ± 0.15
3.6 ± 0.15
SMB (DO-214AA)
1.1
±
0.3
Dimensions in millimeter
RATING AND CHARACTERISTIC CURVES ( SK32S - SK3BS )
FIG.1 - FORWARD CURRENT DERATING CURVE FIG.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
0
0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100
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
2.4
1.8
1.2
0.6
3.0
80
0
100
0
60
40
20
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD CURRENT,
AMPERES
10
1.0
80
0.01
0.1
100 1400 20 40 60 120
PERCENT OF RATED REVERSE VOLTAGE, (%)
TJ= 100 °C
TJ = 25 °C
REVERSE CURRENT, MILLIAMPERES
SK32S
SK33S
SK34S
SK35S
THRU
SK3BS
1.0
0.1
10
FORWARD CURRENT, AMPERES
FORWARD VOLTAGE, VOLTS
20
SK35S
SK36S
SK37S
TJ = 25 °C
PULSE WIDTH = 300µs
DUTY CYCLE = 2%
SK32S
SK33S
SK34S
SK38S
SK39S
SK3BS