LUGUANG SR250

SR220-SR260
2.0A Schottky Barrier Rectifiers
DO-41
Features
Schottky Barrier Chip
Guard Ring Die Construction for Transient Protection
High Current Capability
Low Power Loss, High Efficiency
High Surge Current Capability
For Use in Low Voltage, High Frequency
Inverters, Free Wheeling, and Polarity
Protection Applications
Mechanical Data
Case: Molded Plastic
Polarity: Cathode Band
Weight: 0.30 grams (approx.)
Mounting Position: Any
Marking: Type Number
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
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current (Note 1)
@TL = 100°C
Symbol
SR220
SR230
SR240
SR250
SR260
Unit
VRRM
VRWM
VR
20
30
40
50
60
V
VR(RMS)
14
21
28
35
42
V
IO
2.0
A
Non-Repetitive Peak Forward Surge Current 8.3ms
Single half sine-wave superimposed on rated load
(JEDEC Method)
IFSM
25
A
Forward Voltage
VFM
@IF = 2.0A
Peak Reverse Current
At Rated DC Blocking Voltage
@TA = 25°C
@TA = 100°C
Typical Junction Capacitance (Note 2)
0.50
0.5
10
IRM
Cj
0.70
170
V
mA
140
pF
Typical Thermal Resistance Junction to Lead
RJL
15
K/W
Typical Thermal Resistance Junction to Ambient (Note 1)
RJA
50
K/W
Tj, TSTG
-65 to +150
°C
Operating and Storage Temperature Range
Note: 1. Valid provided that leads are kept at ambient temperature at a distance of 9.5mm from the case.
2. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C.
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SR220-SR260
IF, INSTANTANEOUS FORWARD CURRENT (A)
I(O), AVERAGE FORWARD CURRENT (A)
2.0A Schottky Barrier Rectifiers
2.0
1.0
0
25
50
75
100
125
20
SR250 - SR260
1.0
Tj = 25°C
IF Pulse Width = 300µs
0.1
150
0.1
TL, LEAD TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curve
0.5
0.9
1.3
1.7
2.1
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
1000
50
Cj, JUNCTION CAPACITANCE (pF)
Single Half Sine-Wave
(JEDEC Method)
Tj = 150°C
40
30
20
Tj = 25°C
f = 1.0MHz
SR220 - SR240
SR250 - SR260
100
10
10
1
10
0.1
100
1
100
10
Tj = 100°C
1.0
Tj = 75°C
0.1
0.01
0.001
Tj = 25°C
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 5 Typical Reverse Characteristics
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10
VR, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Max Non-Repetitive Peak Fwd Surge Current
IR, INSTANTANEOUS REVERSE CURRENT (mA)
IFSM, PEAK FORWARD SURGE CURRENT (A)
SR220 - SR240
10
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100