SR302 - SR306
HIGH CURRENT SCHOTTKY BARRIER RECTIFIER
Features
·
·
·
·
Low Forward Drop
High Surge Current Capacity
Guard Ring for Transient Protection
Low Power Loss, High Efficiency
NOT RECOMMENDED FOR
NEW DESIGNS, USE SB3X0 SERIES
A
B
A
Mechanical Data
·
·
·
·
·
·
Case: DO-201AD, Molded Plastic
Plastic Package: UL Flammability
Classification Rating 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Terminals: Axial lead, Solderable per
MIL-STD-202, Method 208
Polarity: Cathode band
Weight: 1.2 grams (approx.)
Dim
A
B
C
D
Min
25.40
7.20
1.20
4.80
D
DO-201AD
Max
¾
9.50
1.30
5.30
C
All Dimensions in mm
Maximum Ratings and Electrical Characteristics
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
T
L
= 95°C
T
L
= 100°C
Non-repetitive Peak Forward Surge Current 8.3ms half
sine-wave superimposed on rated load (JEDEC Method)
Forward Voltage
Peak Reverse Current at
Rated DC Blocking Voltage
Typical Thermal Resistance (Note 2)
Typical Total Capacitance (Note 3)
Operating and Storage Temperature Range
@I
F
= 3.0A
@ T
A
= 25°C
@ T
A
= 100°C
Average Rectified Output Current (Note 1)
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
O
I
FSM
V
F
I
R
R
qJA
C
T
T
J
, T
STG
@ T
A
= 25°C unless otherwise specified
SR302
20
14
SR303
30
21
3.0
¾
SR304
40
28
SR305
50
35
¾
3.0
SR306
60
42
Unit
V
V
A
A
80
0.55
1.0
20
20
300
-65 to +150
0.72
V
mA
°C/W
pF
°C
Notes:
1. Lead Temperature T
L
measured 9.5mm lead length from body.
2. Thermal Resistance from Junction to Ambient Vertical PC Board Mounting, 1.27mm Lead Length.
3. Measured at 1.0MHz and applied reverse voltage of 4.0V.
DS23025 Rev. 5 - 3
1 of 2
SR302-SR306
I
O
, AVERAGE RECTIFIED OUTPUT CURRENT (A)
I
F
, INSTANTANEOUS FWD CURRENT (A)
4.0
40
SR302
SR303
SR304
3.0
10
2.0
SR302
SR303
SR304
SR305
SR306
SR305
SR306
1.0
1.0
Single Phase Half Wave
60Hz Resistive or Inductive Load
0
20
40
60
80
100
120
140
T
L
, LEAD TEMPERATURE (°C)
Fig. 1, Forward Current Derating Curve
0.1
0.1
0.3
0.5
TJ = 25°C
Pulse Width = 300µs
2% Duty Cycle
0.7
0.9
1.1
V
F,
INSTANTANEOUS FWD VOLTAGE (V)
Fig. 2, Typical Forward Characteristics
100
T
J
= 25°C
I
FSM
, PEAK FORWARD SURGE CURRENT (A)
1000
C
T
, TOTAL CAPACITANCE (pF)
80
60
100
40
20
8.3ms Single Half Sine-Wave
JEDEC Method
10
0.1
1.0
10
100
0
1
10
100
V
R
, REVERSE VOLTAGE (VOLTS)
Fig. 3, Typical Total Capacitance
NUMBER OF CYCLES AT 60 Hz
Fig. 4, Max Non-Repetitive Peak Fwd Surge Current
NOT RECOMMENDED FOR
NEW DESIGNS, USE SB3X0 SERIES
DS23025 Rev. 5 - 3
2 of 2
SR302-SR306
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