SCHOTTKY BARRIER RECTIFIER
SR302 THRU SR310
FEATURES
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•
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•
•
VOLTAGE RANGE
CURRENT
20 to 100 Volts
3.0 Ampere
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
•
•
•
•
•
•
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
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
V
RRM
20
30
Maximum RMS Voltage
V
RMS
14
21
Maximum DC Blocking Voltage
V
DC
20
30
Maximum Average Forward Rectified Current
0.375″(9.5mm) lead length ,(Note 1)
T
L
=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 T
A
= 25℃
DC Blocking Voltage per element
T
A
= 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
3.0
80
SR306 SR308 SR310
60
80
100
42
56
70
60
80
100
UNIT
Volts
Volts
Volts
Amps
Amps
I
(AV)
I
FSM
V
F
I
R
C
J
R
θJA
T
J
T
STG
0.55
0.75
0.5
30
250
15
(-55 to +150)
(-55 to +150)
0.85
Volts
mA
pF
℃
/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
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
SCHOTTKY BARRIER RECTIFIER
SR302 THRU SR310
VOLTAGE RANGE
CURRENT
20 to 100 Volts
3.0 Ampere
RATING AND CHRACTERISTIC CURVES SR
302
THRU SR310
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT,
3.0
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
100
CURRENT, (A)
8.3ms Single Half Sine-Wave
(JEDEC Method) T= T
jmax
j
60
2.0
(A)
Single Phase Half Wave 60Hz
1.0
Inductive or Resistive Load
0.375″(9.5mm) Lead Length
40
1 Cycle
0
0
25
50
75
100
125
150
175
0
1
2
4
6
8 10
20
40
60 80 100
AMBIENT TEMPERATURE, (° C)
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
100
SR252-254
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
INSTANTANEOUS FORWARD CURRENT,
SR255-2510
10
T
J
=125° C
(A)
1.0
T
J
=25° C
PULSE WIDTH=300μs
DUTY CYCLE 1%
(μA)
T
J
=75° C
0.1
T
J
=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
1000
REVERSE VOLTAGE,(%)
JUNCTION CAPACITANCE,(pF)
100
T
J
=25° C
f=1MHz
Vsig=50mVp-p
10
0.1
1.0
10
100
REVERSE VOLTAGE,(V)
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
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