Document
SR2020 THRU SR20A0
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 100 Volts Forward Current - 20.0 Amperes
TO-220AC
0.160 (4.05) 0.140 (3.55)
0.105 (2.67) 0.095 (2.41)
0.415(10.54) MAX
0.410(10.41) 0.390(9.91)
PIN 12
0.154(3.91) DIA 0.148(3.74)
0.113(2.87) 0.103(2.62)
0.635(16.13) 0.625(15.87)
0.185(4.70) 0.175(4.44)
0.057(1.45) 0.051(1.30)
0.145(3.68) 0.135(3.43)
0.350(8.89) 0.330(8.38)
0.560(14.2) 0.530(13.4)
1.148(29.16) 1.118(28.40)
0.590(14.22) 0.530(13.46)
0.110(2.79) 0.100(2.54)
0.037(0.94) 0.027(0.68)
0.205 (5.20) 0.195 (4.95)
PIN 1 PIN 2
CASE
Dimensions in inches and (millimeters)
0.022(0.58) 0.014(0.35)
FEATURES
The plastic package carries Underwriters Laboratory Flammability Classification 94V-0 Construction utilizes void-free molded plastic technique Low reverse leakage High forward surge current capability High temperature soldering guaranteed: 250 C,0.25”(6.35mm) from case for 10 seconds
MECHANICAL DATA
Case: TO-220AC molded plastic body Terminals: Leads solderable per MIL-STD-750, Method 2026 Polarity: As marked Mounting Position: Any Weight:0.064 ounce, 1.81 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
MDD Catalog Number
SYMBOLS
SR SR SR 2020 2030 2040
SR SR 2045 2050
SR SR SR SR SR 2060 2070 2080 2090 20A0
UNITS
Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current at Tc(see fig.1)
VRRM 20 30 40 45 50 60 70 80 90 100 VOLTS VRMS 14 21 28 32 35 42 49 56 63 70 VOLTS VDC 20 30 40 45 50 60 70 80 90 100 VOLTS
I(AV) 20.0 Amps
Peak forward surge current
8.3ms single half sine-wave superimposed on
IFSM
150.0
Amps
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 10.0A VF 0.55 0.75
0.85 Volts
Maximum DC reverse current TA=25 C
1.0
at rated DC blocking voltage TA=100 C
IR
15.0
50.0
mA
Typical junction capacitance (NOTE 1) Typical thermal resistance (NOTE 2) Operating junction temperature range Storage temperature range
CJ RθJC TJ TSTG
550 -65 to +125
450 2.0
-65 to +150 -65 to +150
pF C/W
C C
Note:1.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2.Thermal resistance from junction to case
MDD ELECTRONIC
RATINGS AND CHARACTERISTIC CURVES SR2020 THRU SR20A0
AVERAGE FORWARD RECTIFIED CURRENT, AMPERES
INSTANTANEOUS FORWARD CURRENT,AMPERES
FIG. 1- FORWARD CURRENT DERATING CURVE
20
16
12 Single Phase Half Wave 60Hz Resistive or inductive Load
8
4 SR2020-SR2045 SR2050-SR20A0
0 0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, C
FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
50
10
TJ=25 C 1 PULSE WIDTH=300 µs
1%DUTY CYCLE
0.1 SR2020-SR2045 SR2050-SR2060 SR2070-SR20A0
0.01 0.2 0.4 0.6 0.8 1.0 1.1
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
INSTANTANEOUS REVERSE CURRENT, MILLIAMPERES
PEAK FORWARD SURGE CURRENT, AMPERES
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
150
125
8.3ms SINGLE HALF SINE-WAVE (JEDEC Method)
100
75
50
25 1 10
NUMBER OF CYCLES AT 60 Hz
100
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
100
10 TJ=100 C
1
TJ=75 C 0.1
0.01 TJ=25 C
0.0010
20 40
60 80 100
PERCENT OF PEAK REVERSE VOLTAGE,%
TRANSIENT THERMAL IMPEDANCE, C/W
FIG. 5-TYPICAL JUNCTION CAPACITANCE
2000
1000
TJ=25 C
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
100 1
10 0.1
SR2020-SR2045 SR2050-SR20A0
1.0 10
REVERSE VOLTAGE,VOLTS
100
0.1 0.01
0.1 1
10
t,PULSE DURATION,sec.
MDD ELECTRONIC
100
JUNCTION CAPACITANCE, pF
.