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WTE
POWER SEMICONDUCTORS
SR520 – SR560
5.0A SCHOTTKY BARRIER RECTIFIER
Features
!
Schottky Barrier Chip
!
Guard Ring Die Construction for
Transient Protection
!
High Current Capability A B A
!
Low Power Loss, High Efficiency
!
High Surge Current Capability
!
For Use in Low Voltage, High Frequency
Inverters, Free Wheeling, and Polarity
Protection Applications C
D
Mechanical Data
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Case: Molded Plastic
!
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
!
Polarity: Cathode Band
!
Weight: 1.2 grams (approx.)
!
Mounting Position: Any
!
Marking: Type Number
Maximum Ratings and Electrical Characteristics
Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic Symbol SR520 SR530 SR540 SR550 SR560 Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage V
Average Rectified Output Current (Note 1) @TL = 100°C I
Non-Repetitive Peak Forward Surge Current 8.3ms
Single half sine-wave superimposed on rated load
(JEDEC Method)
Forward Voltage @IF = 5.0A V
RRM
V
RWM
V
R
V
R(RMS)
O
FSM
I
FM
DO-201AD
Dim Min Max
A
B
C
D
All Dimensions in mm
@TA=25°C unless otherwise specified
20 30 40 50 60 V
14 21 28 35 42 V
0.55 0.70 V
25.4 —
8.50 9.50
1.20 1.30
5.0 5.60
5.0 A
150 A
Peak Reverse Current @TA = 25°C
At Rated DC Blocking Voltage @T
Typical Junction Capacitance (Note 2) C
Typical Thermal Resistance Junction to Ambient R
Operating and Storage Temperature Range Tj, T
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.
SR520 – SR560 1 of 3 © 2002 Won-Top Electronics
= 100°C
A
RM
I
j
JA
STG
550 400 pF
0.5
50
10 K/W
-65 to +150 °C
mA
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5
40
(AV),
I AVERAGE FORWARD CURRENT (A)
4
3
2
1
Resistive or
Inductive Load
0
02550
T , LEAD TEMPERATURE ( C)
Fig. 1 Forward Current Derating Curve
150
120
90
10
SR520-SR540
SR550-SR560
1.0
T - 25 C
°
j
I Pulse Width = 300 s
F
I , INSTANTANEOUS FORWARD CURRENT (A)
75
100 125 150
L
°
0.1
0
0.2 0.4 0.6 0.8 1.0
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
F
µ
Fig. 2 Typical Forward Characteristics
Single Half-Sine-Wave
(JEDEC Method)
3000
T = 25 C
j
°
1000
SR520-SR540
60
30
FSM
I , PEAK FORWARD SURGE CURRENT (A)
0
1 10 100
NUMBER OF CYCLES AT 60Hz
Fig. 3 Max Non-Repetitive Peak Fwd Surge Current
100
10
1.0
0.1
0.01
T = 125 C
j
T = 75 C
j
T = 25 C
°
j
SR550-SR560
j
C , CAPACITANCE (pF)
100
0.1
1.0 10
V , REVERSE VOLTAGE (V)
R
100
Fig. 4 Typical Junction Capacitance
°
°
0.001
R
I , INSTANTANEOUS REVERSE CURRENT (mA)
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 5 Typical Reverse Characteristics
SR520 – SR560 2 of 3 © 2002 Won-Top Electronics