RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
SR220
THRU
SR260
SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 to 60 Volts CURRENT 2.0 Ampere
FEATURES
*
*
*
*
*
*
Low switching noise
Low forward voltage drop
High current capability
High switching capability
High surge capabitity
High reliability
DO-15
MECHANICAL DATA
*
*
*
*
*
Case: Molded plastic
Epoxy: Device has UL flammability classification 94V-O
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 0.35 gram
1.0 (25.4)
MIN.
.034 (0.9)
DIA.
.028 (0.7)
.300 (7.6)
.230 (5.8)
.140 (3.6)
DIA.
.104 (2.6)
1.0 (25.4)
MIN.
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%.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
(At T
A
= 25
o
C unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375” (9.5mm) lead length
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
Typical Junction Capacitance (Note 2)
Operating Temperature Range
Storage Temperature Range
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
R
θ
JA
C
J
T
J
T
STG
SR220
20
14
20
SR230
30
21
30
SR240
40
28
40
2.0
60
40
180
-55 to + 150
-55 to + 150
SR250
50
35
50
SR260
60
42
60
UNITS
Volts
Volts
Volts
Amps
Amps
0
C/ W
pF
0
0
C
C
ELECTRICAL CHARACTERISTICS
(At T
A
= 25
o
C unless otherwise noted)
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 2.0A DC
Maximum Average Reverse Current
at Rated DC Blocking Voltage
@T
A
= 25 C
@T
A
= 100
o
C
o
SYMBOL
V
F
I
R
SR220
SR230
.55
SR240
1.0
10
SR250
.70
SR260
UNITS
Volts
mAmps
mAmps
2003-1
NOTES : 1. Thermal Resistance (Junction to Ambient): Vertical PC Board Mounting, 0.5” (12.7mm) Lead Length.
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
RATING AND CHARACTERISTIC CURVES ( SR220 THRU SR260 )
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVREAGE FORWARD CURRENT, (A)
INSTANTANEOUS FORWARD CURRENT, (A)
FIG. 2 - TYPICAL INSTANTANEOUS
FORWARD CHARCTERISTICS
20
10
2.0
1.5
2
SR
22
SR
50
26
-SR
1.0
Single
Half Wave 60HZ
Resistive or
Inductive Load
0.375" (9.5mm) Lead Length
1.0
0.5
SR220
SR230
SR240
SR250
SR260
TJ = 25
Pulse Width = 300uS
1% Duty Cycle
4
R2
0-S
0
0
0
0
25
50
75
100
125
150
LEAD TEMPERATURE, (
)
175
.1
.1 .3 .5 .7 .9 1.1 1.3 1.5 1.7 1.9 2.1
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 3B - TYPICAL REVERSE CHARACTERISTICS
100
SR250-SR260
FIG. 3A - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT (mA)
INSTANTANEOUS REVERSE CURRENT (mA)
100
SR220-SR240
10
TJ = 125
10
1.0
TJ = 75
1.0
TJ = 150
TJ = 125
0.1
0.1
TJ = 75
.01
TJ = 25
.01
TJ = 25
.001
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
.001
0
20 40
60
80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CU
70
PEAK FORWARD SURGE
CURRENT, (A)
JUNCTION CAPACITANCE, (pF)
400
200
100
80
60
40
20
10
.1
.4
1.0
4
10
REVERSE VOLTAGE, (V)
40
80
TJ = 25
60
8.3ms Single Half Sine-Wave
40
20
10
0
1
JEDEC Method
2
4 6 810
20 40
80100
NUMBER OF CYCLES AT 60Hz
RECTRON
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