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 VRRM 20 30 40 50 60 80 100 Volts
Maximum RMS voltage VRMS 14 21 28 35 42 57 71 Volts
Maximum DC blocking voltage VDC 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) VFVolts
Maximum instantaneous reverse TA=25
current at rated DC blocking voltage(Note 1) TA=100
Typeical junction capacitance(Note 3) CJpF
R JA
R JL
Operating junction temperature range TJ
storage temperature range TSTG
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
IR
I(AV) Amp
IFSM 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
