CHENG-YI SR304

SR302 thru SR310
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
VOLTAGE RANGE
20 TO 80 Volts
CURRENT
3.0 Amperes
DO-214AB
.220(5.59)
.245(6.22)
Case:Molded plastic
Epoxy:UL 94V-0 rate flame retardant
Lead:MIL-STD-202 method 208 quaranteed
Mounting position:Any
.006(.152)
.012(.305)
.305(7.75)
.320(8.13)
MECHANICAL DATA
.115(2.92)
.121(3007)
.260(6.60)
.280(7.11)
.004(.102)
.008(.203)
Low switching noise
Low forward voltage drop
High current capability
High switching capability
High reliability
High surge capability
.079(2.00)
.103(2.62)
.030(0.76)
.060(1.52)
FEATURES
DO-201AD
SMD-SUFFIX "S"
SMC
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
At TA=250C unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load.
All values except Maximum RMS Voltage are registered JEDEC Parameters.
SR302
SR303
SR304
SR305
SR306
SR308
SR310
UNITS
Maximum Recurrent Peak Reverse Voltage
20
30
40
50
60
80
100
V
Maximum RMS Voltage
14
21
26
35
42
56
80
V
Maximum DC Blocking Voltage to 1500C Max
20
30
40
50
60
80
80
V
Maximum Average Forward Rectified Current at 750C
3.0
A
Maximum Overload Surge Current at 1 cycle
80
A
Maximum Forward Voltage at 3.0 ADC
0.50
0.75
0.85
V
Maximum Full Load Reverse Current Full Cycle
Average at 250C
0.5
mADC
Maximum DC Reverse Current at Rated DC Blocking
Voltage and 1000C
30
mADC
Typical Junction Capacitance (NOTE 1)
Typical Thermal Resistance (NOTE 2) R JA
pF
180
40.0
0
C/W
Operating Temperature Range
-55 to +125
0
Storage Temperature Range
-55 to +125
0
Notes : 1. Measured at 1 MHz and applied reverse voltage of 4.0 VDC.
2. Thermal Resistance Junction to Ambient.
C
C
SR302 thru SR310
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
SR302 THRU SR310
Fig.2 - REVERSE INSTANTANEOUS
CHARACTERISTICS
Fig.1 - TYPICAL REVERSE CHARACTERISTICS
50
TJ=250C
20
TC=1
10
25C
TC=1
20
(PULSE MEASUREMENT)
Pulse Width-300 s
2% DUTY CYCLE
SK320~SK340
SK350~SK380
1.0
(TP Y)
5
REVERSE CURRENT(mA)
INSTANTANEOUS FORWARD
CURRENT, AMPERES
0
0
10
AX)
25C(M
0
00C
TC=1
2
(TP Y)
1
TC=7
.5
5C(T P
0
TC=5
.2
Y)
0C(T P
0
Y)
.1
.05
0.1
.2
.3
.5
.4
.6
.8
.7
.9
.02
INSTANTANEOUS FORWARD VOLTAGE, (V)
0
5
10
15
20
25
30
REVERSE VOLTAGE(V)
Fig.5 - MAXIMUM CURRENT OUTPUT Vs,
AMBIENT TEMPERATURE.
Fig.4 - TYPICAL JUNCTION CAPACITANCE
3.0
50
SK3
K3 4
~S
0
1.5
0
K38
~S
2.0
JUNCTION CAPACITANCE, pF
2.5
20
SK3
AVERAGE RECTIFIED CURRENT OUTPUT (%)
500
1.0
200
100
50
20
10
5
.5
.1
1
10
REVERSE JUNCTION POTENTIAL VOLTAGE (V)
(APPLIED +0.7 VOLTS)
0
0
25
50
75
100
AMBIENT TEMPERATURE, 0C
125
150
40