SS22 THRU SS26
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Reverse Voltage -
20 to 60 Volts
DO-214AA
Forward Current -
2.0 Amperes
FEATURES
♦
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
♦
For surface mounted applications
♦
Low profile package
♦
Built-in strain relief
♦
Metal silicon junction, majority carrier conduction
♦
Low power loss, high efficiency
♦
High current capability, low forward voltage drop
♦
High surge capability
♦
For use in low voltage high frequency inverters, free
wheeling, and polarity protection applications
♦
Guardring for overvoltage protection
♦
High temperature soldering guaranteed:
250°C/10 seconds at terminals
0.086 (2.20)
0.077 (1.95)
0.155 (3.94)
0.130 (3.30)
0.180 (4.57)
0.160 (4.06)
0.012 (0.305)
0.006 (0.152)
0.096 (2.44)
0.084 (2.13)
0.060 (1.52)
0.030 (0.76)
0.220 (5.59)
0.205 (5.21)
0.008 (0.203)
MAX.
MECHANICAL DATA
Case:
JEDEC DO-214AA molded plastic body
Terminals:
Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Weight:
0.003 ounce, 0.093 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
SS22
SS23
SS24
SS25
SS26
UNITS
Device marking code
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 2.0A
(NOTE 1)
S2
V
RRM
V
RMS
V
DC
I
(AV)
20
14
20
S3
30
21
30
S4
40
28
40
2.0
S5
50
35
50
S6
60
42
60
Volts
Volts
Volts
Amps
Amps
I
FSM
50.0
V
F
I
R
R
ΘJA
R
ΘJL
T
J
T
STG
0.50
0.4
10.0
75.0
17.0
-65 to +125
-65 to +150
0.70
Volts
Maximum DC reverse current
(NOTE 1)
T
A
=25°C
at rated DC blocking voltage
T
A
=100°C
Maximum thermal resistance
(NOTE 2)
Operating junction temperature range
Storage temperature range
NOTES:
(1) Pulse test: 300µs pulse width, 1% duty cycle
(2) P.C.B. mounted with 0.2 x 0.2” (5.0 x 5.0mm) copper pad areas
mA
°C/W
-65 to +150
°C
°C
4/98
RATINGS AND CHARACTERISTIC CURVES SS22 THRU SS26
FIG. 1 - FORWARD CURRENT DERATING CURVE
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
2.0
AVERAGE FORWARD CURRENT,
AMPERES
RESISTIVE OR
INDUCTIVE LOAD
PEAK FORWARD SURGE CURRENT,
AMPERES
50
40
30
20
10
0
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
AT RATED T
L
1.5
1.0
P.C.B. MOUNTED ON
0.2 X 0.2” (5.0 x 5.0mm)
COPPER PAD AREAS
SS22 - SS24
SS25 & SS26
0.5
1
10
NUMBER OF CYCLES AT 60H
Z
100
0
50
60
70
80
90 100 110 120 130 140 150 160
LEAD TEMPERATURE,°C
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
50
100
FIG. 4 - TYPICAL REVERSE CURRENT
CHARACTERISTICS
SS22 - SS24
SS25 & SS26
INSTANTANEOUS FORWARD CURRENT
AMPERES
10.0
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
PULSE WIDTH=300µs
1% DUTY CYCLE
T
J
=125°C
T
J
=25°C
10
T
A
=125°C
1
1
T
J
=150°C
T
A
=75°C
0.1
0.1
0.01
T
A
=75°C
SS22 - SS24
SS25 & SS26
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE
VOLTS
0.001
0
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
500
JUNCTION CAPACITANCE, pF
T
J
=25°C
f=1.0 MHz
Vsig=50mVp-p
100
SS22 - SS24
SS25 & SS26
10
0.1
1
10
100
REVERSE VOLTAGE, VOLTS
DSP and ARM Processors
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