CE
SR320 THRU SR3A0
CHENYI ELECTRONICS
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 60 Volts
Forward Current - 1.0Ampere
FEATURES
. Plastic package has Underwriters Laboratory Flammability Classification 94V-0
. Metal sliicon junction ,majority carriet conduction
. Guard ring for overcoltage protection
. Low power loss,high efficiency
. High current capability ,Low forward voltage drop
. High surge capability
. For use in low voltage ,high frequency inverters,
free wheeling , and polarilty protection applications
. High temperature soldering guaranteed: 250 /10 seconds at terminals,
0.375"(9.5mm)lead length, 5lbs.(2.3kg)tension
MECHANICAL DATA
.
Case: JEDEC DO-201AD molded plastic body
.
Terminals: plated axial leads,solderable per MIL-STD-750,method 2026
.
Polarity: coler band denotes cathode end
.
Mounting Position: Any
.
Weight: 0.041 ounce, 1.15 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
(Ratings at 25 ambient temperature unless otherwise specified,Single phase,half wave,resistive or inductive)
load. For capacitive load,derate by 20%)
Symbols
SR320
SR330
SR340
SR350
SR360
SR380 SR3A0
Units
Maximum repetitive peak reverse voltage
V
RRM
20
30
40
50
60
80
100
Volts
Maximum RMS voltage
V
RMS
14
21
28
35
42
57
71
Volts
Maximum DC blocking voltage
V
DC
20
30
40
50
60
80
100
Volts
Macimum average forward rectified
current 0.375"(9.5mm)lead length (see Fig.1)
Peak forward surge current 8.3ms singel half
sine-wave superimposed on rated load
(JEDEC method)
Maximum instantaneous forward voltage at 3.0 A(Note 1)
V
F
Volts
Maximum instantaneous reverse
TA=25
current at rated DC blocking voltage(Note 1) TA=100
Typeical junction capacitance(Note 3)
C
J
pF
R
JA
R
JL
Operating junction temperature range
T
J
storage temperature range
T
STG
Notes: 1. Pulse test: 300
s pulse width,1% duty cycle
2.Thermal resistance from juntion to lead vertical P.C.B. Mounted, 0.5"(12.7mm)lead length
-65 to +150
-65 to +150
-65 to +125
250
160
mA
3.0
80.0
0.85
1.5
0.55
0.70
Typeical thermal resistance(Note 2)
/W
40.0
10.0
I
R
I
(AV)
Amp
I
FSM
Amps
20
10
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 1 of 2
CE
SR320 THRU SR3A0
CHENYI ELECTRONICS
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 60 Volts
Forward Current - 1.0Ampere
with 2.5X2.5"(63.5X63.5mm)copper pads
3.Measure a 1MHz and reverse voltage of 4.0volts
RATINGS AND CHARACTERISTIC CURVES SR320 THRU SR3A0
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FLG.1-FORWARD CURRENT DERATING CURVE
FORWARD SURGE CURRENT
FIG.3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG.4-TYPICAL REVERSE CHARACTERISTICS
FIG.5-TYPICAL JUNCTION CAPACITANCE
FIG.6-TYPICAL TRANSIENT THERMAL IMPEDANCE
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 2 of 2
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