SRF2020-SRF20150
Isolated 20.0AMP. Schottky Barrier Rectifiers
ITO-220AB
Features
For surface mounted application Low power loss, high efficiency High current capability, low VF High reliability Epitaxial construction Guard-ring for transient protection
Mechanical Data
Cases: ITO-220AB molded plastic Epoxy: UL 94V-0 rate flame retardant Polarity: As marked High temperature soldering guaranteed: 260oC/10 seconds .25”,(6.35mm) from case. Weight: 2.24 grams Mounting torque: 5 in – 1bs. max.
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25 oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Symbol SRF SRF SRF SRF SRF SRF SRF SRF Units
2020 2030 2040 2050 2060 2090 20100 20150
Maximum Recurrent Peak Reverse Voltage VRRM 20 30 40 50 60 90 100 150
Maximum RMS Voltage
VRMS 14 21 28 35 42 63 70 105
Maximum DC Blocking Voltage
VDC 20 30 40 50 60 90 100 150
Maximum Average Forward Rectified Current See Fig. 1
I(AV)
20
V V V
A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
IFSM
200
A
Load (JEDEC method )
Maximum Instantaneous Forward Voltage @ 10.0A Maximum D.C. Reverse Current @ Tc=25 oC at Rated DC Blocking Voltage @ Tc=100 oC
VF IR
0.55
0.5 15
0.70 10
0.92 1.02 V
0.1 mA 5.0 mA
Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 1) Operating Junction Temperature Range Storage Temperature Range
Cj
RθJC TJ
TSTG
440 300 1.5
-65 to +125 -65 to +150
280 -65 to +150
pF oC/W
oC oC
Notes:
1. Thermal Resistance from Junction to Case Per Leg, with Heatsink size (4”x6”x0.25”) Al-Plate. 2. Measured at 1MHz and Applied Reverse Voltage of 4.0V D.C.
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AVERAGE FORWARD CURRENT. (A) PEAK FORWARD SURGE CURRENT. (A)
INSTANTANEOUS FORWARD CURRENT. (A) SRF2090-201S0R0F2050-206S0RF2020-2040 SRF20150
SRF2020-SRF20150
Isolated 20.0AMP. Schottky Barrier Rectifiers
RATINGS AND CHARACTERISTIC CURVES (SRF2020 THRU SRF20150)
FIG.1- FORWARD CURRENT DERATING CURVE
20.0
16.0
SRF2050-150 SRF2020-40
12.0 8.0
4.0
0 0 50 100 CASE TEMPERATURE. (oC)
FIG.3- TYPICAL FORWARD CHARACTERISTICS PER LEG
100
150
FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PER LEG
300
250
8.3ms SINGLE HALF SINE WAVE PER LEG. (JEDGE METHOD)
Tj=Tj max.
200
150 100 50
25 12
5 10
20
50 100
NUMBER OF CYCLES AT 60Hz
FIG.4- TYPICAL REVERSE CHARACTERISTICS PER LEG
10
Tj=1000C
1.0 10
.10 Tj=250 C
INSTANTANEOUS REVERSE CURRENT. (mA)
1.0
0.1 .2
Tj=25OC PULSE WIDTH-300 S 1% DUTY CYCLE
.3 .4
.5 .6 .7 .8 .9
INSTANTANEOUS FORWARD VOLTAGE. (V)
1.0
FIG.5- TYPICAL JUNCTION CAPACITANCE PER LEG
4000
2000
1000 800 600 400
SRF2020-2040
Tj=250C f=1.0MHz Vsig=50mVp-p
SRF2050-2060
200 SRF2090-20150
100 0.1
0.4 1.0
4 10
REVERSE VOLTAGE. (V)
40 80100
TRANSIENT THERMAL IMPEDANCE. (OC/W)
.01
.001 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
FIG.6- TYPICAL TRANSIENT THERMAL IMPEDANCE PER LEG
100
10.0
1
0.1 0.01
0.1 1 10 T, PULSE DURATION. (sec)
100
JUNCTION CAPACITANCE.(pF)
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mail:
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Version: B07
.