CE
SRF820 THRU SRF8A0(SINGLE CHIP)
CHENYI ELECTRONICS
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 100 Volts
Forward Current - 8.0Amperes
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
. Single rectifier construction
. High surge capability
. For use in low voltage ,high frequency inverters,
free wheeling , and polarilty protection applications
. High temperature soldering guaranteed: 250 /10 seconds
0.25"(6.35mm)from case
MECHANICAL DATA
.
Case: JEDEC DO-220AC molded plastic body
.
Terminals: lead solderable per MIL-STD-750,method 2026
.
Polarity: As marked
.
Mounting Position: Any
.
Weight: 0.08 ounce, 2.24 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 SRF820 SRF830 SRF840 SRF850 SRF860 SRF880SRF8A0 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(see Fig.1)
Repetitive peak forward current(square wavr,
20KHz) at Tc=105
Peak forward surge current 8.3ms singel half
sine-wave superimposed on rated load
(JEDEC method)
Maximum instantaneous forward voltage at 7.5 A(Note 1)
V
F
0.8
0.85
Volts
Maximum instantaneous reverse
TA=25
current at rated DC blocking voltage(Note 1)
TA=125
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 case
-65 to +125
-65 to +150
-65 to +150
Typeical thermal resistance(Note 2)
R
JC
5.0
/W
I
R
1.0
mA
15
50
I
FSM
150.0
Amps
0.65
0.75
I
(AV)
8.0
Amps
I
FRM
16.0
Amps
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 1 of 2
CE
SRF820 THRU SRF8A0(SINGLE CHIP)
CHENYI ELECTRONICS
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 100 Volts
Forward Current - 8.0Amperes
RATINGS AND CHARACTERISTIC CURVES SRF820 THRU SRF8A0
(SINGLE CHIP)
FIG.2-TYPICAL INSTANTANEOUS FORWARD
FLG.1-FORWARD CURRENT DERATING CURVE
CHARACTERISTICS
FIG.4-TYPICAL JUNCTION CAPACITANCE
FIG.3-TYPICAL REVERSE CHARACTERISTICS
FIG.5-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
Page 2 of 2
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