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CHENMKO ENTERPRISE CO.,LTD
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 - 60 Volts CURRENT 1.0 Ampere
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 * High temperature soldering guaranteed : 260oC/10 seconds at terminals * Lead free devices
SSM12PT THRU SSM16PT
SMA
0.110(2.80) 0.094(2.40)
(1)
0.065(1.65) 0.049(1.25) 0.181(4.60) 0.165(4.20) 0.012(0.310) 0.006(0.150)
(2)
MECHANICAL DATA
Case: JEDEC SMA molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Weight: 0.002 ounce 0.064 gram
0.090(2.30) 0.075(1.90) 0.060(1.52) 0.030(0.76) 0.008 (0.203)(max) 0.212(5.40) 0.189(4.80)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60 HZ, resistive or inductive load. For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
SMA
UNITS Volts Volts Volts Amps Amps pF
o
MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 1) Operating Temperature Range Storage Temperature Range SYMBOL VRRM VRMS VDC IO IFSM CJ R
JL
SSM12PT SSM13PT 20 14 20 30 21 30
SSM14PT 40 28 40 1.0 40 110 25
SSM15PT 50 35 50
SSM16PT 60 42 60
C/W
o o
TJ TSTG
-65 to +125 -65 to +150
-65 to +150
C C
ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 1.0 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @ TA = 25oC IR @ TA = 100 C
o
SYMBOL VF
SSM12PT SSM13PT 0.50
SSM14PT
SSM15PT
SSM16PT 0.70
UNITS Volts mAmps mAmps 2002-5
0.5 10
NOTES : 1. Thermal Resistance ( Junction to Lead ) : PC Board Mounted on 0.2 X 0.2" ( 5 X 5mm ) copper pad area. 2. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts.
RATING CHARACTERISTIC CURVES ( SSM12PT THRU SSM16PT )
INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 1.0 FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10
.75
SSM12P SSM15P
.50
1.0
.25
Single Half Wave 60HZ Resistive or Inductive Load
SSM12PT SSM13PT SSM14PT SSM15PT SSM16PT TJ =25oC Pulse Width=300us 1% Duty Cycle
T~SSM14 PT
T~SSM16 PT
0 0 25 50 75 100 125
o
150
175
0.1
.1
.3
.5
.7
.9
1.1
1.3
1.5
1.7
1.9
2.1
LEAD TEMPERATURE, ( C ) FIG. 3A - TYPICAL REVERSE CHARACTERISTICS 100 INSTANTANEOUS REVERSE CURRENT, (mA)
INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 3B - TYPICAL REVERSE CHARACTERISTICS 100
10
TJ = 125oC
INSTANTANEOUS REVERSE CURRENT, (mA)
SSM12PT~SSM14PT
SSM15PT~SSM16PT
10
1.0
TJ = 75oC
1.0
TJ = 150oC
TJ = 125oC
.10
.10
TJ = 75oC
.01
TJ = 25oC
.01
TJ = 25oC
.001
0
20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % ) FIG. 4 - TYPICAL JUNCTION CAPACITANCE
.001
0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % ) FIG. 5 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT
400 JUNCTION CAPACITANCE, ( pF ) 200 100 80 60 40 20 10 .1 .4 1.0 4 10 40 80 REVERSE VOLTAGE, ( V )
PEAK FORWARD SURGE CURRETN(A)
50 40
8.3ms Single Half Sine-Wave (JEDEC Method)
TJ = 25oC
30 20 10 0 1 2 4 6 8 10 20 40 80 100 NUMBER OF CYCLES AT 60 Hz

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