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SR302-G Datasheet, PDF (1/2 Pages) Comchip Technology – Schottky Barrier Rectifier
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.
-Lead: plastic axial lead, solderable per MIL-STD-
202E, method 208C.
-Mounting position: any.
-Weight: 0.042 ounce, 1.19 gram.
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)
Dimensions in inches and (millimeter)
Maximum Ratings and Electrical Characteristics
O
Ratings at Ta=25 C 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”
TL=75OC (SR302-G ~ SR304-G)
TL=100OC (SR305-G ~ SR308-G)
IAV
3.0
A
(9.5mm) lead length at
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
Maximum DC reverse current
TA=25OC
at rated DC blocking voltage (Note 1)
TA=100OC
IR
0.55
0.75
3.0
30
0.80
V
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.
REV:A
QW-BB018
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