SR302 thru SR310
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
VOLTAGE RANGE
20 TO 80 Volts
CURRENT
3.0 Amperes
DO-214AB
.115(2.92)
.121(3007)
.030(0.76)
.060(1.52)
.079(2.00)
.103(2.62)
DO-201AD
FEATURES
Low switching noise
Low forward voltage drop
High current capability
High switching capability
High reliability
High surge capability
.260(6.60)
.280(7.11)
.004(.102)
.008(.203)
.305(7.75)
.320(8.13)
.006(.152)
.012(.305)
.220(5.59)
.245(6.22)
MECHANICAL DATA
Case:Molded plastic
Epoxy:UL 94V-0 rate flame retardant
Lead:MIL-STD-202 method 208 quaranteed
Mounting position:Any
SMD-SUFFIX "S"
SMC
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
At T
A
=25
0
C unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load.
All values except Maximum RMS Voltage are registered JEDEC Parameters.
SR302
SR303
30
21
30
SR304
40
26
40
SR305
50
35
50
3.0
80
SR306
60
42
60
SR308
80
56
80
SR310
100
80
80
UNITS
V
V
V
A
A
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage to 150 C Max
Maximum Average Forward Rectified Current at 75 C
Maximum Overload Surge Current at 1 cycle
Maximum Forward Voltage at 3.0 ADC
Maximum Full Load Reverse Current Full Cycle
Average at 25
0
C
Maximum DC Reverse Current at Rated DC Blocking
Voltage and 100
0
C
Typical Junction Capacitance (NOTE 1)
Typical Thermal Resistance (NOTE 2) R JA
Operating Temperature Range
Storage Temperature Range
0
0
20
14
20
0.50
0.5
0.75
0.85
V
mADC
30
180
40.0
-55 to +125
-55 to +125
mADC
pF
0
C/W
0
C
C
0
Notes : 1. Measured at 1 MHz and applied reverse voltage of 4.0 VDC.
2. Thermal Resistance Junction to Ambient.
SR302 thru SR310
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
SR302 THRU SR310
Fig.2 - REVERSE INSTANT
ANEOUS
CHARACTERISTICS
Fig.1 - TYPICAL REVERSE CHARACTERISTICS
20
TJ=25
0
C
50
(PULSE MEASUREMENT)
20
25C
TC=1
0
0
)
(M AX
(TP Y)
Pulse Width-300 s
2% DUTY CYCLE
10
10
25C
TC=1
INSTANTANEOUS FORWARD
CURRENT, AMPERES
REVERSE CURRENT(mA)
5
00C
TC=1
0
2
1
(TP Y)
SK320~SK340
1.0
SK350~SK380
.5
5C
TC=7
0
( T P Y)
.2
.1
.05
0.1
.2
.3
.4
.5
.6
.7
.8
.9
.02
0
5
10
15
0C
TC=5
0
( T P Y)
INSTANTANEOUS FORWARD VOLT
AGE, (V)
20
25
30
REVERSE VOLTAGE(V)
Fig.5
-
MAXIMUM CURRENT OUTPUT Vs,
AMBIENT TEMPERATURE.
3.0
500
Fig.4 - TYPICAL JUNCTION CAPACIT
ANCE
AVERAGE RECTIFIED CURRENT OUTPUT (%)
JUNCTION CAPACITANCE, pF
2.5
200
100
50
SK3
20
SK3
2.0
0
K38
~S
K3 4
~S
50
1.5
0
20
1.0
10
5
.1
1
10
40
.5
0
0
25
50
75
100
125
150
REVERSE JUNCTION POTENTIAL VOLTAGE (V)
(APPLIED +0.7 VOLTS)
AMBIENT TEMPERATURE,
0
C
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