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SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 60 Volts CURRENT 1.0 Ampere
FEATURES
* * * * *
SM120 THRU SM160
Ideal for surface mounted applications Low leakage current Metallurgically bonded construction Mounting position: Any Weight: 0.015 gram
MECHANICAL DATA
DISCONTINUED-
* Epoxy : Device has UL flammability classification 94V-0
D
on isc
ed inu t
.205 ( 5.2 ) .190 ( 4.8 ) SOLDERABLE ENDS
MELF
"This series is replaced by the FM1XX series that meets to the same fit and function parameters and share the same solder pad layout. The FM1XX series is preferred for error-free vacuum pick-up and PCB assembly."
.024 ( 0.6 ) .016 ( 0.4 ) .106 ( 2.7 ) .095 ( 2.4 )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 o C 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) MAXIMUM RATINGS (@ TA=25 OC unless otherwise noted) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at Derating Case Temperature Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Operating Temperature Range Storage Temperature Range SYMBOL VRRM VRMS VDC IO I FSM CJ TJ T STG SM120 20 14 20 SM130 30 21 30 SM140 40 28 40 1.0 40 110 150 -55 to + 150 SM150 50 35 50 SM160 60 42 60 UNITS Volts Volts Volts Amps Amps pF
0 0
C C
ELECTRICAL CHARACTERISTICS (@TA=25 OC unless otherwise noted) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 1.0A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @T A = 25 o C @T A = 100 o C SYMBOL VF IR SM120 SM130 .55 0.2 2 SM140 SM150 .70 SM160 UNITS Volts mA mA 2007-5
NOTES : 1. Measured at 1 MHz and applied reverse voltage of 4.0 volts. 2. "Fully ROHS compliant", "100% Sn plating (Pb-free)".
RATING AND CHARACTERISTICS CURVES ( SM120 THRU SM160 )
INSTANTANEOUS FORWARD CURRENT, (mA)
AVERAGE FORWARD CURRENT, (A)
1.0
Single Phase Half Wave 60Hz Inductive Load
SM 12
100 10 1.0 0.1 0.01 0.001 0
TA = 100 OC
0.75
SM1
SM 0~
SM1 50~ 0 14
0.50
60
TA = 75 OC TA = 25 OC SM120~SM140 SM150~SM160
0.25
P.C.B. Mounted on 0.4X0.4"(10X10mm) copper pad areas
0
0
25
50
75
100
125
O
150
175
20
40
60
80
100
120
140
CASE TEMPERATURE, ( C)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
INSTANTANEOUS REVERSE CURRENT, (A)
10
SM120~SM140
CJ, JUNCTION CAPACITANCE, (pF)
20
FIG.1 TYPICAL FORWARD CURRENT DERATING CURVE
400 200 100 80 60 40 20 10
FIG.2 TYPICAL REVERSE CHARACTERISTICS
TJ = 25 OC
1.0
SM150~SM160 TJ = 25 OC Pulse width=300mS 1% Duty Cycle
0.1
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9 2.1
0.1
0.4
1.0
4
10
40 80
INSTANTANEOUS FORWARD VOLTAGE, (V)
REVERSE VOLTAGE, (V)
FIG.3 TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
PEAK FORWARD SURGE CURRENT, (A)
FIG.4 TYPICAL JUNCTION CAPACITANCE
50 40 30 20 10 0 1
8.3mS Single Half Sine-Wave JEDEC Method
2
4
6
8 10
20
40
80 100
NUMBER OF CYCLES AT 60Hz
FIG.5 MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
Mounting Pad Layout
.100 (2.54)
F-SLOT WIDTH OPTIMUM PAD SIZE
.100 (2.54)
.100 (2.54)
.200 (5.08)
.300 (7.62)
Dimensions in inches and (millimeters)
DISCLAIMER NOTICE
Rectron Inc reserves the right to make changes without notice to any product specification herein, to make corrections, modifications, enhancements or other changes. Rectron Inc or anyone on its behalf assumes no responsibility or liability for any errors or inaccuracies. Data sheet specifications and its information contained are intended to provide a product description only. "Typical" parameters which may be included on RECTRON data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. Rectron Inc does not assume any liability arising out of the application or use of any product or circuit. Rectron products are not designed, intended or authorized for use in medical, life-saving implant or other applications intended for life-sustaining or other related applications where a failure or malfunction of component or circuitry may directly or indirectly cause injury or threaten a life without expressed written approval of Rectron Inc. Customers using or selling Rectron components for use in such applications do so at their own risk and shall agree to fully indemnify Rectron Inc and its subsidiaries harmless against all claims, damages and expenditures.

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