SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 50 Volts CURRENT 50 Amperes
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* Low switching noise
* Low forward voltage drop
* Low thermal resistance
* High current capability
* High switching capability
* High surge capabitity
* High reliability
MECHANICAL DATA
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
* Case: To-247 molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 5.1 grams
SR5020C
THRU
SR5050C
TO-247
MAXIMUM RATINGS (At T
A
= 25
o
C unless otherwise noted)
ELECTRICAL CHARACTERISTICS (At T
A
= 25
o
C unless otherwise noted)
NOTES : 1. Thermal Resistance Junction to Case.
2. Suffix "A" = Common Anode.
Dimensions in inches and (millimeters)
2002-11
CHARACTERISTICS
Maximum Average Reverse Current
at Rated DC Blocking Voltage
V
F
SYMBOL
I
R
m A m p s
Maximum Instantaneous Forward Voltage at 25.0A DC
Volts
10
100
@T
C
= 25
o
C
@T
C
= 100
o
C
.65
m A m p s
.75
UNITS
SR5020C
SR5035C
SR5030C
SR5040C SR5045C
SR5050C
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at Derating Case Temperature
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
SYMBOL
V
RRM
V
DC
I
FSM
T
STG
V
RMS
UNITS
Volts
Volts
Volts
Amps
50
400
1.0
Amps
0
C
Storage Temperature Range
R
J C
I
O
0
C/ W
Operating Temperature Range
T
J
SR5020C
20
-55 to + 150
0
C
SR5035C
SR5030C
SR5040C SR5045C
SR5050C
30
35
40
45
50
14
21
25
28
32
35
20
30
35
40
45
50
.245 (6.2)
.645 (16.0)
.625 (15.9)
.085 (2.16)
.135 (3.4)
.093 (2.30)
.076 (1.97)
.086 (2.18)
.076 (1.93)
.095 (2.4)
.085 (2.1)
.127 (3.22)
.117 (2.97)
.225 (5.7)
.795 (20.2)
.160 (4.1)
.140 (3.5)
.775 (19.7)
.205 (5.2)
.048 (1.22)
.044 (1.12)
.030 (.76)
.020 (.51)
.203 (5.16)
.193 (4.90)
.115 (2.9)
.075 (1.90)
.840 (21.3)
.820 (20.8)
.225 (5.7)
-55 to + 150
RECTRON
RATING AND CHARACTERISTIC CURVES ( SR5020C THRU SR5050C )
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT, (A)
CASE TEMPERATURE, ( )
0
50
100
150
50
40
30
20
10
0
Single Phase Half Wave
60Hz Inductive or
Resistive Load
SR5020C~SR5045C
SR5050C
TJ = 25
FIG. 4 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
INSTANTANEOUS FORWARD VOLTAGE, (V)
100
10
1.0
0.1
.3
.4
.5
.6
.7
.8
.9
1.0
Pulse Width=300us
1% Duty Cycle
SR5050C
SR5020C~SR5045C
FIG. 2 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT, (mA)
PERCENT OF RATED PEAK
REVERSE VOLTAGE, (%)
10
1.0
.1
.01
.001
20
0
40
60
80
100
120 140
TC = 125
TC = 75
TC = 25
SR5020C~SR5045C
SR5050C
FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD
PEAK FORWARD SURGE CURRENT, (A)
NUMBER OF CYCLES AT 60Hz
600
500
400
300
200
100
0
1
2
5
10
20
50
100
8.3ms Single Half Sine-Wave
(JEDED Method)
SURGE CURRENT
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