SR32 THRU SR39
MINI SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
VOLTAGE - 20 to 90 Volts CURRENT - 3.0 Amperes
FEATURES
l
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
l
For surface mounted applications
l
Low profile package
l
Built-in strain relief
l
Metal to silicon rectifier
majority carrier conduction
l
Low power loss, High efficiency
l
High current capability, low V
F
l
High surge capacity
l
For use in low voltage high frequency inverters,
free wheeling, and polarity protection applications
l
High temperature soldering guaranteed:
260
J
/10 seconds at terminals
MECHANICAL DATA
Case: JEDEC DO-214AA molded plastic
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode
Standard packaging: 12mm tape (EIA-481)
Weight: 0.003 ounce, 0.093 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
J
ambient temperature unless otherwise specified.
Resistive or inductive load.
SYMBOLS
SR32 SR33 SR34 SR35 SR36 SR38 SR39 UNITS
Maximum Recurrent Peak Reverse Voltage
V
RRM
20
30
40
50
60
80
90
Volts
Maximum RMS Voltage
V
RMS
14
21
28
35
42
56
64
Volts
Maximum DC Blocking Voltage
V
DC
20
30
40
50
60
80
90
Volts
Maximum Average Forward Rectified Current
at T
L
(See Figure 1)
I
(AV)
3.0
Amps
Peak Forward Surge Current 8.3ms single half sine-
wave superimposed on rated load(JEDEC method)
I
FSM
80
Amps
Maximum Instantaneous Forward Voltage at 3.0A
(Note 1)
V
F
0.50
0.70
0.85
Volts
Maximum DC Reverse Current T
A
=25
J
(Note 1)
At Rated DC Blocking Voltage T
A
=100
J
I
R
0.5
20.0
mA
Maximum Thermal Resistance (Note 2)
R
K
JL
R
K
JA
17
55
J
/W
Operating Junction Temperature Range
T
J
-50 to +125
J
Storage Temperature Range
T
STG
-50 to +150
J
NOTES:
1.
Pulse Test with PW=300
g
sec, 2% Duty Cycle.
2. Mounted on P.C.Board with 5.0mm
2
(.013mm thick) copper pad areas.
SMB/DO-214AA
RATING AND CHARACTERISTIC CURVES
SR32 THRU SR39
3.0
2.5
2.0
1.5
1.0
0.5
50
60
70
80 90
110
120
130
140
150
SINGLE PHASE HALF
WAVE 60Hz RESISTIVE
OR INDUCTIVE LOAD
P.C.B MOUNTED ON
0.3150.315"(8.08.0mm)
COPPER PAD AREAS
LEAD TEMPERATURE,
J
50
10
1
0.1
.2 .3
.4
.5
.6
.7
.8
.9 1.0
1.1
SR32
SR36
SR39
TJ = 25
J
PULSE WIDTH = 300us
1% DUTY CYCLE
TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
Fig. 1-FORWARD CURRENT DERATING CURVE
Fig. 2-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
1000
800
600
400
200
100
80
60
40
20
10
0.1
1
4
10
40
60
100
T
J
= 25
J
SR32-SR34
SR35-SR39
REVERSE VOLTAGE. VOLTS
Fig. 4-TYPICAL JUNCTION CAPACITANCE
10
1.0
0.1
0.01
0.001
20 40
60 80 100 120 140
TA = 75
J
TA = 25
J
TA = 100
J
SK32 - SK34
SK35 - S310
PERCENT OF RATED PEAK REVERSE VOLTAGE
Fig. 3-TYPICAL REVERSE CHARACTERISTICS
80
64
48
32
16
0
1
2 5
10
20 50 100
T
J
= 150
J
10ms SINGLE HALF
SINE-WAVE
NUMBER OF CYCLES AT 60Hz
Fig. 5-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
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