SR302 THRU SR310

SCHOTTKY BARRIER RECTIFIER
SR302 THRU SR310
VOLTAGE RANGE
20 to 100 Volts
CURRENT
3.0 Ampere
FEATURES
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DO-27
Fast switching
Low forward voltage
Low power loss for high efficiency
High surge capability
High temperature soldering guaranteed
250℃/10 seconds,0.373”(9.5mm)lead length
MECHANICAL DATA
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Case: Transfer molded plastic
Epoxy: UL94V-0 rate flame retardant
Lead: solderable per MIL-STD-202E
method 208C
Polarity: Color band denoted cathode end
Mounting position: Any
Weight: 0.042 ounce, 1.19 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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Ratings at 25℃ ambient temperature unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
SYMBOLS SR302 SR303
Maximum Repetitive Peak Reverse Voltage
VRRM
20
30
Maximum RMS Voltage
VRMS
14
21
Maximum DC Blocking Voltage
VDC
20
30
Maximum Average Forward Rectified Current
0.375″(9.5mm) lead length ,(Note 1)
TL =100℃
Peak Forward Surge Current
8.3ms single half sine-wave superimposed on
rated load (JEDEC method)
Maximum Instantaneous Forward Voltage @ 3.0A
Maximum DC Reverse Current at rated TA = 25℃
DC Blocking Voltage per element
TA = 125℃
(Note 1)
Typical Junction Capacitance(measured at 1.0Hzand
applied reverse voltage of 4.0V)
Typical Thermal Resistance (NOTE 2)
Operating Junction Temperature Range
Storage Temperature Range
SR304
40
28
40
SR305
50
35
50
SR306 SR308 SR310
60
80
100
42
56
70
60
80
100
UNIT
Volts
Volts
Volts
I(AV)
3.0
Amps
IFSM
80
Amps
VF
0.55
IR
0.75
0.5
30
0.85
Volts
mA
CJ
250
pF
RθJA
TJ
TSTG
15
(-55 to +150)
(-55 to +150)
℃/W
℃
℃
Notes:
1. Pulse test:300μs pulse width,1%duty cycle
2. Thermal resistance from junction to ambient P.C.B. mounted with 0.375”(9.5mm)lead length with 2.5”×2.5”(63.5×63.5cm)
copper pads
Web Site: www.hkmic.com
SCHOTTKY BARRIER RECTIFIER
SR302 THRU SR310
VOLTAGE RANGE
20 to 100 Volts
CURRENT
3.0 Ampere
FIG.1-TYPICAL FORWARD CURRENT
FIG.2-MAXIMUM NON-REPETITIVE PEAK
DERATING CURVE
FORWARD SURGE CURRENT
2.0
Single Phase Half Wave 60Hz
Inductive or Resistive Load
1.0
0.375″(9.5mm) Lead Length
100
CURRENT, (A)
PEAK FORWARD SURGE
3.0
(A)
AVERAGE FORWARD CURRENT,
RATING AND CHRACTERISTIC CURVES SR302 THRU SR310
8.3ms Single Half Sine-Wave
(JEDEC Method) T=
j Tjmax
60
40
1 Cycle
0
0
25
50
100
75
125
175
150
0
1
AMBIENT TEMPERATURE, (° C)
2
4
6
8 10
40
20
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
100
1.0
TJ =25° C
PULSE WIDTH=300μs
DUTY CYCLE 1%
0.1
T J =125° C
(μA)
INSTANTANEOUS REVERSE CURRENT,
10
(A)
INSTANTANEOUS FORWARD CURRENT,
SR252-254
SR255-2510
T J =75° C
TJ =25° C
SR302-SR304
SR305-SR310
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
INSTANTANEOUS FORWARD VOLTAGE,(V)
PERCENT OF RATED PEAK
FIG.5-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(%)
JUNCTION CAPACITANCE,(pF)
1000
100
TJ =25° C
f=1MHz
Vsig=50mVp-p
10
0.1
1.0
10
100
REVERSE VOLTAGE,(V)
Web Site: www.hkmic.com
60 80 100