SRAS2035
THRU
SRAS2045
20.0 AMPS. Schottky Barrier Rectifiers
Voltage Range
35 to 45 Volts
Current
20.0 Amperes
Features
For surface mounted application
Low forward voltage drop
High current capability
High reliability
High surge current capabilit
y
D
2
PAK
Mechanical Data
Cases: D
2
PAK molded plastic
Epoxy: UL 94V-0 rate flame retardant
Terminals: Lead solderable per
MIL-STD-202, Method 208 guaranteed
Polarity: As marked
High temperature soldering guaranteed:
260
O
C/10 seconds at terminals
Weight: 1.70 grams
"
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Symbol
SRAS2035 SRAS2040 SRAS2045
Type Number
Maximum Recurrent Peak Reverse Voltage
V
RRM
35
40
45
Maximum RMS Voltage
V
RMS
25
28
32
Maximum DC Blocking Voltage
V
DC
35
40
45
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
@ 20.0A
@ 40.0A
Maximum D.C. Reverse Current @ Tj=25℃
at Rated DC Blocking Voltage
@ Tj=125℃
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 2)
Operating Junction Temperature Range
Storage Temperature Range
Units
V
V
V
A
A
V
mA
mA
℃/W
pF
℃
℃
I
(AV)
I
FSM
V
F
I
R
R
θ
JC
pF
T
J
20.0
350
0.57
0.73
2.7
105
1.5
900
-65 to +150
T
STG
-65 to +150
Notes: 1. Thermal Resistance from Junction to Case Per Leg,
2. Measured at 1MHz and Applied Reverse Voltage of 5.0V D.C.
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RATINGS AND CHARACTERISTIC CURVES (SRAS2035 THRU SRAS2045)
FIG.1- FORWARD CURRENT DERATING CURVE
20.0
400
FIG.2- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT PER BRIDGE ELEMENT
PEAK FORWARD SURGE CURRENT. (A)
300
200
100
AVERAGE FORWARD CURRENT. (A)
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
4 5 6 7 8 9 10
15
20 25 30
40
60
80 100
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)
10
.10
Tj=
75
0
C
1.0
.01
Tj=
2
5C
0
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
5,000
Tj=25
0
C
f=1.0MHz
Vsig=50mVp-p
JUNCTION CAPACITANCE.(pF)
1,000
100
0.1
1
10
REVERSE VOLTAGE. (V)
100
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