CHENG-YI SK350

SK320 thru SK360
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
VOLTAGE RANGE
20 TO 80 Volts
CURRENT
3.0 Amperes
DO-214AB
.115(2.92)
.121(3007)
.079(2.00)
.103(2.62)
.030(0.76)
.060(1.52)
FEATURES
.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
.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
SMC
MAXIMUM RATINGS ( At TA=25 C unless otherwise noted)
0
Ratings
Symbol
SK320
SK330
SK340
SK350
SK360
UNITS
Maximum Recurrent Peak Reverse Voltage
VRRM
20
30
40
50
60
Volts
Maximum RMS Voltage
VRMS
14
21
28
35
42
Volts
Maximum DC Blocking Voltage
VDC
20
30
40
50
60
Volts
Maximum Average Forward Rectified Current
.375" (9.5mm) lead length
Peak Forward Surge Current, 8.3 ms single half
sine-wave superimposed on rated load (JEDEC method)
Typical Thermal Resistance (Note 1)
IO
3.0
Amps
IFSM
150
Amps
R
Typical Junction Capacitance (Note 2)
CJ
Operating Temperature Range
TJ
Storage and Operating Temperature Range
0
30
JC
C/W
200
pF
-65 to +125
TSTG
-65 to +150
0
C
0
-65 to +150
C
ELECTRICAL CHARACTERISTICS ( At TA=25 C unless otherwise noted)
0
Characteristics
Maximum Instantaneous Forward Voltage at 3.0A DC
Maximum Average Reverse Cruuent @TA=250C
at Rated DC Blocking Voltage
@TC=1000C
Symbol
VF
IR
20V
30V
40V
50V
.55
60V
.70
UNITS
Volts
3.0
mAmps
30
mAmps
Notes : 1. Thermal Resistance (Junction to Ambient ) : Vertical PC Board Mounting, 0.5" (12.7mm) Lead Length
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
SK320 thru SK360
MINIATURE SCHOTTKY BARRIER
RECTIFIER
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
SK320 THRU SK360
Fig.2 - REVERSE INSTANTANEOUS
CHARACTERISTICS
Fig.1 - TYPICAL REVERSE CHARACTERISTICS
50
TJ=250C
20
TC=1
10
2 5C
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
0 0C
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