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SRAS2020 - SRAS20150
20.0 AMPS. Surface Mount Schottky Barrier Rectifiers D2PAK
Features
For surface mounted application Ideal for automated pick & place Low power loss, high efficiency High current capability, low VF High reliability Epitaxial construction Guard-ring for transient protection
Mechanical Data
Cases: D PAK molded plastic Epoxy: UL 94V-0 rate flame retardant Terminals: Pure tin plated, Lead solderable per MIL-STD-202, Method 208 guaranteed Polarity: As marked High temperature soldering guaranteed: o 260 C/10 seconds at terminals Weight: 1.70 grams
2
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics o
Rating at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Symbol SRAS SRAS SRAS Type Number
2020 2030 2040 SRAS SRAS SRAS SRAS SRAS 2050 2060 2090 20100 20150
Units V V V A A
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 @ 20A @ 40A Maximum D.C. Reverse Current @ Tj=25 oC at Rated DC Blocking Voltage @ Tj=125 oC Typical Junction Capacitance (Note 2)
VRRM VRMS VDC I(AV) IFSM VF IR
20 14 20
30 21 30
40 28 40
50 35 50 20
60 42 60
90 63 90
100 150 70 105 100 150
330 0.57 0.73 0.5 15 10 1400 1.5 -65 to +150 -65 to +150 0.70 0.85 0.92 1.02 0.1 5.0
o
1.02 1.12
V mA mA pF C/W o C o C
pF
Typical Thermal Resistance (Note 1) RJC Operating Junction Temperature Range TJ Storage Temperature Range TSTG Notes: 1. Mounted on Heatsink Size of 2" x 3" x 0.25" Al-Plate 2. Measured at 1MHz and Applied Reverse Voltage of 4.0V D.C.
- 68 -
Version: C07
RATINGS AND CHARACTERISTIC CURVES (SRAS2020 THRU SRAS20150)
FIG.1- FORWARD CURRENT DERATING CURVE
20.0 PEAK FORWARD SURGE CURRENT. (A) AVERAGE FORWARD CURRENT. (A) 400 300 200 100
FIG.2- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PER BRIDGE ELEMENT
16.0
12.0
8.0
80 60 40 20
4.0
0 0 50 100
o
150
1
1.5
2 2.5 3
CASE TEMPERATURE. ( C)
4 5 6 7 8 9 10 15 20 25 30 NUMBER OF CYCLES AT 60Hz
40
60
80 100
100
FIG.3- TYPICAL FORWARD CHARACTERISTICS PER LEG
-2 04 0
10
FIG.4- TYPICAL REVERSE CHARACTERISTICS PER LEG
INSTANTANEOUS REVERSE CURRENT. (mA)
INSTANTANEOUS FORWARD CURRENT. (A)
SR
20 AS
20
1.0
Tj=1
0 25 C
06
0
50
S2 0
SR A
AS 20
90
-2
01
10
-2
00
0
SR
15
.10
1.0
SR
AS 20
Tj=
75
0
C
.01
Tj=
25
0
C
Tj=25 C PULSE WIDTH-300 S 1% DUTY CYCLE
0.1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 INSTANTANEOUS FORW ARD VOLTAGE. (V) .001 0 20 40 60 80 100 120 140
0
PERCENT OF RATED PEAK REVERSE VOLT AGE. (%)
FIG.5- TYPICAL JUNCTION CAPACIT ANCE PER LEG
TRANSIENT THERMAL IMPEDANCE. ( OC/W) 5,000
0 Tj=25C f=1.0MHz Vsig=50mVp-p
100
FIG.6- TYPICAL TRANSIENT THERMAL IMPEDANCE PER LEG
JUNCTION CAPACITANCE.(pF)
10.0
1,000
1
100 0.1 1 10 REVERSE VOLTAGE. (V) 100
0.1 0.01
0.1
1 T, PULSE DURATION. (sec)
10
100
Version: C07

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