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SRS2020 THRU SRS2060
20.0 AMPS. Schottky Barrier Rectifiers
Voltage Range 20 to 60 Volts Current 20.0 Amperes
Features
For surface mounted application Low forward voltage drop High current capability High reliability High surge current capability
D2PAK
Mechanical Data
Cases: D2PAK molded plastic Epoxy: UL 94V-0 rate flame retardant Terminals: Lead solderable per MILSTD-202, Method 208 guaranteed Polarity: As marked High temperature soldering guaranteed: 250C/10 seconds at terminals Weight: 1.70 grams
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% SRS2020 SRS2030 SRS2040 SRS2050 SRS2060 Units Type Number
Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current See Fig. 1 Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 10.0A
Maximum D.C. Reverse Current at Rated DC Blocking Voltage @ Tc=25C @ Tc=100C
20 14 20
30 21 30
40 28 40 20.0 250
50 35 50
60 42 60
V V V A A
0.55 1.0 50 1.5 600 -65 to +125 -65 to +150
0.70
V mA mA C/W pF C C
Typical Thermal Resistance (Note 1) RJC Typical Junction Capacitance (Note 2) Operating Junction Temperature Range TJ Storage Temperature Range TSTG
400 -65 to +150
Notes: 1. Thermal Resistance from Junction to Case Per Leg Notes: 2. Measured at 1MHz and Applied Reverse Voltage of 4.0V D.C.
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RATINGS AND CHARACTERISTIC CURVES (SRS2020 THRU SRS2060)
FIG.1- FORWARD CURRENT DERATING CURVE
20.0 300
FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PER LEG
8.3ms SINGLE HALF SINE WAVE PER LEG. (JEDEC METHOD) Tj=Tj max.
AVERAGE FORWARD CURRENT. (A)
PEAK FORWARD SURGE CURRENT. (A)
150
16.0
250 200 150 100 50 25
SRS
SRS
12.0
205
202 0 -4 0
0 -6 0
8.0
4.0
0
0
50
100
o
1
2
5
10
20
50
100
CASE TEMPERATURE. ( C)
NUMBER OF CYCLES AT 60Hz
10
FIG.3- TYPICAL REVERSE CHARACTERISTICS PER LEG
100
FIG.4- TYPICAL FORWARD CHARACTERISTICS PER LEG
INSTANTANEOUS REVERSE CURRENT. (mA)
1.0
Tj=1
0 00 C
INSTANTANEOUS FORWARD CURRENT. (A)
SR
S2
02
1.0
0SR S2 05 060
.10
C 75 Tj=
0
.01
2 T j=
5C
0
20
10
40
Tj=25 C PULSE WIDTH-300 S 1% DUTY CYCLE
.001 0 20 40 60 80 100 120 140 0.1 .2 .3 .4 .5 .6 .7 .8 .9
0
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
INSTANTANEOUS FORWARD VOLTAGE. (V)
FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG
4000 2000
JUNCTION CAPACITANCE.(pF)
1000 800 600 400
SRS2020-40
Tj=25 0C f=1.0MHz Vsig=50mVp-p
SRS2050-60
200
100 0.1
0.4
1.0 4 10 REVERSE VOLTAGE. (V)
40
80100
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