SM108 - Frontier Electronics Co., Ltd.

14-67

FRONTIER

ELECTRONICS CO., LTD.

1A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS

FEATURES

! EXTREMELY LOW VF

! LOW STORED CHARGE, MAJORITY CARRIER CONDUCTION

! LOW POWER LOSS / HIGH EFFICIENCY

! UL 94V-0 F LAME RETARDANT EPOXY MOLDING COMPOUND

MECHANICAL DATA

! CASE：TRANSFER MOLDED

! TERMINALS：SOLDERABLE PER MIL-STD-750, METHOD 2026

! P OLARITY：CATHODE INDICATED BY COLOR BAND

! WEIGHT：0.135 GRAMS CASE-MELF

DIMENSIONS IN INCHES AND (MILLIMETERS)

MAXIMUM RATINGS AN D ELECTR ICAL CHARACTERIS T ICS

RATINGS 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%

RATINGS SYMBOL SM581

7SM581

8SM581

9SM105 SM106 SM107 SM108 SM109 SM101

0UNITS

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 RECTIFIED CURRENT

AT TL=90°CIO1.0 A

PEAK FORWARD SURGE CURRENT, 8.3ms SINGLE HALF

SINE-WAVE SUPERIMPOSED ON RATED LOAD IFSM 25 A

TYPICAL JUNCTION CAPACITANCE (NOTE 1) CJ110 70 PF

STORAGE TEMPERATURE RANGE TSTG - 55 TO + 150 ℃

OP ERATING TEMPE RATURE RANGE TOP - 55 TO + 125 ℃

ELECTRICAL CHARACTERISTICS (AT TA =25°

°°

°C UNLESS OTHE RWISE NOTED)

CHARACTERISTICS SYMBOL SM581

7SM581

8SM581

9SM105 SM106 SM107 SM108 SM109 SM1010 UNITS

MAXIMUM FORWARD VOLTAGE AT 1.0 A VF0.45 0.55 0.60 0.70 0.79 V

MAXIMUM REVERSE CURRENT AT 25℃IR1.0 mA

NOTE：

1.M EASURED AT 1.0 MHz AND APPLIED REVERSE VOLTAGE OF 4.0V D.C.

SM5817

THRU

SM1010

SOLDERABLE

.105(2.67)

.095(2.41)

.205(5.2)

.190(4.8)

.022(.60)

.018(.46)

RATINGS AND CHARACTERISTIC CURVE SM5817 THRU SM1010

FIG. 1 - F O RWARD CURRENT

DERATING CURVE

1.0

0.70

0.50

0.25

AVERAGE FORWARD CURRENT

AMPERES

0 20 40 60 80 100 120 140

SINGLE PHASE

HALF WAVE 60HZ

RESISTIVE OR

INDUCTIVE LOAD

LEAD TEMPERATURE, ℃

℃℃

℃

FIG. 2 - TYPICAL INSTANTANEOUS

FORWARD CHARACTERISTICS

1.0

0.1

INSTANTANEOUS FORWARD CURRENT

AMPERES

.1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9

INSTANTANEO US F O RWARD VOLTAGE, VOLTS

FIG. 3A - TYPICAL REVERSE

CHRACTERISTICS

100

1.0

.10

.01

.001

100

1.0

.10

.01

.001

INSTANTANEOUS REVERSE CURRE NT,

MILLIAMPERES

INSTANTANEOUS REVERSE CURRENT,

MILLIAMPERES

0 20 40 60 80 100 120 140

PERCENT OF RATED PE AK REVERSE

VOLTAGE, (%)

PERCENT OF RATED PE AK REVERSE

VOLTAGE, (%)

TJ=125℃

TJ=75

℃

=25

℃

TJ=150℃

TJ=75℃

TJ=25℃

TJ=125℃

SM5817~5819 SM105~1010

FIG. 3B - TYPICAL REVERSE

CHARACTEISTICS

TJ=25℃

PULSE WIDTH=300us 1% DUTY CYCLE

SM107~

SM1010

SM105~

SM106

14-76

SM5817

SM5818

SM5819