Barrier Rectifier. SR303-G Datasheet

SR303-G Rectifier. Datasheet pdf. Equivalent

Part SR303-G
Description (SR302-G - SR308-G) Schottky Barrier Rectifier
Feature www.DataSheet4U.com Schottky Barrier Rectifier COMCHIP SMD Diodes Specialist SR302-G Thru. SR308-.
Manufacture Comchip Technology
Datasheet
Download SR303-G Datasheet




SR303-G
www.DataSheet4U.com
Schottky Barrier Rectifier
SR302-G Thru. SR308-G
COMCHIP
SMD Diodes Specialist
Forward current: 3.0A
Reverse voltage: 20 to 80V
RoHS Device
Features
DO-27
-Fast switching.
-Low forward voltage, high current capability.
-Low power loss, high efficiency.
-High current surge capability.
-High temperature soldering guaranteed: 250OC/10
seconds, 0.375” (9.5mm) lead length at 5lbs (2.3kg)
tension.
Mechanical Data
-Case: transfer molded plastic.
-Epoxy: UL94V-0 rate flame retardant.
-Polarity: color band denoted cathode end.
1.0(25.4) min.
0.052(1.30)
0.048(1.20)
0.375(9.50)
0.335(8.50)
1.0(25.4) min.
0.220(5.60)
0.197(5.00)
-Lead: plastic axial lead, solderable per MIL-STD-
202E, method 208C.
-Mounting position: any.
-Weight: 0.042 ounce, 1.19 gram.
Dimensions in inches and (millimeter)
Maximum Ratings and Electrical Characteristics
Ratings at Ta=25 OC unless otherwise noted.
Single phase, half wave, 60Hz, resistive or inductive loaded.
For capacitive load, derate current by 20% .
Parameter
Symbol SR302 SR303 SR304 SR305 SR306 SR308 Unit
-G -G -G -G -G -G
Maximum repetitive peak reverse voltage
VRRM
20
30
40
50 60
80 V
Maximum RMS voltage
VRMS
14
21
28
35 42
57 V
Maximum DC blocking voltage
VDC 20 30 40 50 60 80 V
Maximum average forward
rectified current, 0.375”
(9.5mm) lead length at
TL=75OC (SR302-G ~ SR304-G)
TL=100OC (SR305-G ~ SR308-G)
IAV
3.0
A
Peak forward surge current, 8.3ms single half sine-
wave, superimposed on rated load (JEDEC method)
IFSM
150
A
Maximum instantaneous forward voltage at IF=3A
VF
0.55
0.75
0.80
V
Maximum DC reverse current
at rated DC blocking voltage (Note 1)
TA=25OC
TA=100OC
IR
3.0
30
mA
Typical junction capacitance (Note 2)
CJ
200 pF
Typical thermal resistance (Note 3)
RθJA
40 OC/W
Operating junction temperature range
TJ -65 ~ +125
-65 ~ +150
OC
Storage temperature range
TSTG
-65 ~ +150
OC
Note:
1. Test pulse: 300μS pulse width, 1% duty cycle.
2. Measured at 1MHz and applied reverse voltage of 4.0V.
3. Thermal resistance from junction to ambient P.C.B. mounted with 0.375" (9.5mm) lead length with 2.5"×2.5"(63.5×63.5mm) copper pads.
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SR303-G
Schottky Barrier Rectifier
COMCHIP
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (SR302-G Thru. SR308-G)
Fig.1 Typical Forward Current Derating Curve
3
Fig.2 Maximum Non-Repetitive Peak
Forward Surge Current
8.3ms single half sine-wave
(JEDEC method)
150
2
100
1
Single phase, half wave 60Hz
Inductive or resistive load
0.375" (9.5mm) lead length
0
0 25 50 75 100 125 150
TL, Lead Temperature (OC)
175
50
1 Cycle
0
1 10
Number of Cycles at 60Hz
100
Fig.3 Typical Instantaneous Forward
Characteristics
100
SR302-G~SR304-G
SR305-G~SR308-G
10
1
0.1
0 .0 1
0
TJ=25OC
Pulse width=300μs
1% duty cycle
0.2 0.4 0.6 0.8 1.0 1.2 1.4
VF, Instantaneous Forward Voltage (V)
Fig.4 Typical Reverse Characteristics
10
TJ=125O
1.0
0.1 TJ=75OC
0 .0 1
TJ=25OC
0 .0 0 1
0
SR302-G~SR304-G
SR305-G~SR308-G
20 40 60 80 100 120 140
Percent of Rated Peak Reverse Voltage (%)
1000
Fig.5 Typical Junction Capacitance
SR502-G~SR504-G
SR505-G~SR508-G
100
TJ=25OC
f=1MHz
Vsig=50mV
10
0.1 1 10
VR, Reverse Voltage (V)
100
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