SK32 THRU SK310
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 100 Volts Forward Current - 3.0 Amperes
DO-214AC/SMA
FEATURES
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
For surface mounted applications
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
0.067 (1.70)
0.051 (1.30)
0.110(2.80)
0.100(2.54)
0.177(4.50)
0.157(3.99)
0.012(0.305)
0.006(0.152)
0.096(2.42)
0.078(1.98)
MECHANICAL DATA
Case:
JEDEC DO-214AC molded plastic body
Terminals:
leads solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:0.002
ounce, 0.07 grams
0.060(1.52)
0.030(0.76)
0.008(0.203)MAX.
0.208(5.28)
0.188(4.80)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
MDD Catalog Number
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
at T
L
(see fig.1)
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current
T
A
=25 C
at rated DC blocking voltage
T
A
=100 C
Typical junction capacitance (NOTE 1)
Typical thermal resistance (NOTE 2)
Operating junction temperature range
Storage temperature range
SYMBOLS
SK32
SK33
SK34
SK35
SK36
SK38 SK310
UNITS
VOLTS
VOLTS
VOLTS
Amps
V
RRM
V
RMS
V
DC
I
(AV)
20
14
20
30
21
30
40
28
40
50
35
50
3.0
60
42
60
80
56
80
100
70
100
I
FSM
V
F
I
R
C
J
R
θ
JA
T
J
,
T
STG
500
0.55
100.0
0.70
0.5
20
300
55.0
-50 to +125
-50 to +150
-50 to +150
10
0.85
Amps
Volts
mA
pF
C/W
C
C
Note:1.Measured
at 1MHz and applied reverse voltage of 4.0V D.C.
2.P.C.B. mounted with 0.2x0.2”(5.0x5.0mm) copper pad areas
MDD ELECTRONIC
RATINGS AND CHARACTERISTIC CURVES SK32 THRU SK310
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
FIG. 1- FORWARD CURRENT DERATING CURVE
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
2.4
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
PEAK FORWARD SURGE CURRENT,
AMPERES
3.0
100
80
1.8
60
1.2
40
0.6
SK32-SK36
SK38-SK310
20
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0
0
25
50
75
100
125
150
175
0
1
10
100
AMBIENT TEMPERATURE, C
NUMBER OF CYCLES AT 60 Hz
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
50
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
100
INSTANTANEOUS FORWARD
CURRENT,AMPERES
10.0
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
T
J
=25 C
10
TJ=100 C
1
1
TJ=75 C
0.1
0.1
SK32-SK34
SK35-SK36
SK38-SK310
0.01
TJ=25 C
0.001
0
20
40
60
80
100
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
PERCENT OF PEAK REVERSE VOLTAGE,%
INSTANTANEOUS FORWARD VOLEAGE,
VOLTS
2000
TRANSIENT THERMAL IMPEDANCE,
C/W
FIG. 5-TYPICAL JUNCTION CAPACITANCE
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
100
JUNCTION CAPACITANCE, pF
1000
T
J
=25 C
10
100
1
SK32-SK34
SK35-SK310
0.1
0.01
0.1
1
10
100
10
0.1
1.0
10
100
REVERSE VOLTAGE,VOLTS
t,PULSE DURATION,sec.
MDD ELECTRONIC