Page 1
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 60 Volts Forward Current - 2.0 Amperes
SMB / DO-214AA
0.150(3.80)
0.130(3.30)
0.187(4.75)
0.167(4.24)
0.102(2.60)
0.079(2.00)
0.050(1.27)
0.030(0.76)
0.236(6.00)
0.197(5.00)
*Dimensions in inches and (millimeters)
0.083(2.12)
0.077(1.95)
0.016(0.40)
0.006(0.15)
SS22 THRU SS26
FEATURES
*Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
*For surface mount applications
*Low profile package
*Built-in strain relief
*Metal sillicon 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 :
260oC/10 seconds, at terminals
MECHANICAL DATA
Case : JEDEC DO-214AA molded plastic body
Terminals : Solder plated, solderable per MIL-STD-750D
Method 2026
Polarity : Color band denotes cathode end
Weight : 0.003 ounes , 0.093 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature
unless otherwise specified.
Maximum repetitive peak reverse voltage
Maximum RMS voltage VRMS
Maximum DC blocking voltage VDC 20
Maximum average forward rectified current (SEE FIG.1)
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum instantaneous forward voltage at 2.0 A (NOTE 1)
Maximum DC reverse current
at rated DC blocking voltage (NOTE 1)
Typical thermal resistance (NOTE 2)
Operating junction temperature range TJ -65 to +125 -65 to +150
Storage temperature range
NOTES :(1)Pulse test : 300us pulse width, 1% duty cycle
(2)P.C.B. mounted with 0.2 x 0.2" ( 5.0 x 5.0mm ) copper pad areas
TA=25oC
TA=100oC
SYMBOLS
VRRM
I(AV)
IFSM
VF
IR
R JA
R JL
TSTG
SS22 SS23 SS24 SS25 SS26
20 30 40 50 60
14 21 28 35 42
30 40 50 60
2.0
50
0.50 0.70
0.5
20 10
75
17
-65 to +150
UNITS
Volts
Volts
Volts
Amps
Amps
Volts
mA
o
C / W
o
C
o
C
REV. : 0
Zowie Technology Corporation
Page 2
RATINGS AND CHARACTERISTIC CURVES SS22 THRU SS26
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
2.0
Resistive or
Inductive Load
50
8.3ms SINGLE HALF SINE-WAVE
40
(JEDEC Method)
1.5
P.C.B. Mounted
0.2 x 0.2" (5.0 x 5.0mm)
Copper pad areas
1.0
CURRENT, AMPERES
0.5
AVERAGE FORWARD RECTIFIED
0
50 60
SS22~SS24
SS25~SS26
70 80 90 100 110 120 130 140 160150
AMBIENT TEMPERATURE, oC
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
50.00
Pulse width=300us
1% Duty Cycle
10.00
TJ=125oC
30
20
AMPERES
10
PEAK FORWARD SURGE CURRENT,
0
1 10 100
NUMBER OF CYCLES AT 60Hz
FIG.4 - TYPICAL REVERSE CURRENT
CHARACTERISTICS
100
10
SS22~SS24
SS25~SS26
TJ=25oC
1.0
TJ=125oC
1.00
AMPERES
0.1
0.10
TJ=150oC
IINSTANTANEOUS FORWARD CURRENT,
SS22~SS24
0.01
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
SS25~SS26
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
CURRENT, MICROAMPERES
0.01
INSTANTANEOUS REVERSE LEAKAGE
0.001
0 20 40 60 80 100
PERCENT OF RATED PEAK REVERSE
TJ=75oC
TJ=25oC
VOLTAGE,%
FIG.5 - TYPICAL JUNCTION CAPACITANCE
500
TJ = 25oC
f = 1.0MHz
Vsig = 50mVp-p
100
REV. : 0
JUNCTION CAPACITANCE, pF
10
SS22~SS24
SS25~SS26
0.1 1 10 100
REVERSE VOLTAGE, VOLTS
Zowie Technology Corporation
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