SPKT1845
SCHOTTKY BARRIER SOLAR RECTIFIER
VOLTAGE 45 Volts CURRENT 18 Amperes
FEATURES
* Low switching noise * Low forward voltage drop * Low thermal resistance * High current capability * High surge capabitity * High reliability * ideal for solar panel PV application such as By-Pass diode
TO-220A
.413 (10.5) .374 (9.5) .153 (3.9) .146 (3.7) .270 (6.9) .230 (5.8) .610 (15.5) .583 (14.8) .157 (4.0) .583 (14.8) .531 (13.5) .187 (4.7) .148 (3.8) .053 (1.3) .047 (1.2)
MECHANICAL DATA
* * * * * C ase: R-6 axial-leaded, molded plastic Epoxy: Device has U L flammability classification 94V-O Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 1. 883 grams
.108 (2.75)
.04MAX. (1.0)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 o C ambient temperature unless otherwise specified.
.051 (1.3) .035 (0.9) .028 (0.7) .102 (2.6) .091 (2.3)
.020 (0.5) .012 (0.3) .126 (3.2)
Dimensions in inches and (millimeters) MAXIMUM RAT INGS (@ TA=25 OC unless otherwise noted) R ATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum DC Forward Current @T L=75 oC(Note 1) Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Thermal Resistance Operating Te mperature Ran g e Storage Temperature R an g e SYMBOL VRRM VRMS VDC IO I FSM RqJA RqJL TJ T STG SPKT1845 45 31.5 45 18 300 35 3.3 175 -55 to + 175 UNITS Volts Volts Volts Amps Amps
0
C/W
0 0
C C
E LECTRICAL CHARACTERISTICS (@TA=25 OC unless otherwise noted) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 18 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @T A = 2 5 o C @T A = 7 5 C @T A = 2 5 C @T A = 7 5 o C
o o
SYMBOL VF IR
SPKT1845 .52 .47 100 2.5
UNITS Volts uA mA 2009-04 REV: O
NOTES : 1. Heat-sink mounted 10mm max from body 2. "Fully ROHS compliant", "100% Sn plating (Pb-free)".
RATING AND CHARACTERISTICS CURVES ( SPKT1845 )
25 AVERAGE FORWARD CURRENT, (A) 20 18 15 12 10 5 0
INSTANTANEOUS REVERSE CURRENT, (mA)
10
T A = 7 5 OC
D.C with heat sink
1.0
0.1
T A = 2 5 OC
0.01
Single Phase Half Wave 60Hz Inductive or Resistive Load
50
100
150
O
175
200
0.001
0
20
40
60
80
100
120
140
LEAD TEMPERATURE, ( C)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG.1 TYPICAL FORWARD CURRENT DERATING CURVE
FIG.2 TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
PEAK FORWARD SURGE CURRENT, (A)
50
300 250 200 150 100 50 0 1
8.3mS Single Half Sine-Wave JEDEC Method
10
1.0
T J = 2 5 OC Pulse width=300mS 1% Duty Cycle
0.1
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
2
5
10
20
50
100
INSTANTANEOUS FORWARD VOLTAGE, (V)
NUMBER OF CYCLES AT 60Hz
FIG.3 TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
FIG.4 MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
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.
