COMCHIP SR505-G

COMCHIP
Schottky Barrier Rectifier
SMD Diodes Specialist
SR502-G Thru. SR508-G
Forward current: 5.0A
Reverse voltage: 20 to 80V
RoHS Device
Features
DO-27
-Fast switching.
-Low forward voltage, high current capability.
0.052(1.30)
0.048(1.20)
-Low power loss, high efficiency.
1.0(25.4) min.
-High current surge capability.
-High temperature soldering guaranteed: 250 OC/10
seconds, 0.375” (9.5mm) lead length at 5lbs (2.3kg)
tension.
0.375(9.50)
0.335(8.50)
Mechanical Data
0.220(5.60)
-Case: transfer molded plastic.
0.197(5.00)
-Epoxy: UL94V-0 rate flame retardant.
1.0(25.4) min.
-Polarity: color band denoted cathode end.
-Lead: plastic axial lead, solderable per MIL-STD202E, method 208C.
-Mounting position: any.
Dimensions in inches and (millimeter)
-Weight: 0.042 ounce, 1.19 gram.
Maximum Ratings and Electrical Characteristics
O
At Ta=25 C unless otherwise noted.
Single phase, half wave, 60Hz, resistive or inductive loaded.
For capacitive load, derate current by 20% .
Symbol SR502 SR503 SR504 SR505 SR506 SR508
Parameter
-G
-G
-G
-G
-G
-G
Unit
Maximum repetitive peak reverse voltage
V RRM
20
30
40
50
60
80
V
Maximum RMS voltage
V RMS
14
21
28
35
42
57
V
Maximum DC blocking voltage
V DC
20
30
40
50
60
80
V
Maximum average forward
TL=60 OC (SR502-G ~ SR504-G)
rectified current, 0.375”
O
TL=80 C (SR505-G ~ SR508-G)
(9.5mm) lead length at
I AV
5.0
A
Peak forward surge current, 8.3ms single half sinewave, superimposed on rated load (JEDEC method)
I FSM
150
A
Maximum instantaneous forward voltage at I F =5.0A
VF
Maximum DC reverse current
at rated DC blocking voltage (Note 1)
Typical junction capacitance (Note 2)
Typical thermal resistance (Note 3)
Operating junction temperature range
Storage temperature range
T A =25 OC
T A =100 OC
550
T STG
pF
450
-65 ~ +125
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.
QW-BB017
V
mA
25
RθJA
TJ
0.80
5.0
50
IR
CJ
0.70
0.57
O
-65 ~ +150
-65 ~ +150
C/W
O
C
O
C
REV:A
Page 1
COMCHIP
Schottky Barrier Rectifier
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (SR502-G Thru. SR508-G)
Fig.2 Maximum Non-Repetitive Peak
Forward Surge Current
I FSM , Peak Forward Surge Current (A)
Fig.1 Typical Forward Current Derating Curve
5
SR
4
50
G
50
5-
SR
~S
2-
3
04
-G
R5
08
~S
R5
G
2
-G
I AV , Average Forward Current (A)
6
1
Single phase, half wave 60Hz
Inductive or resistive load
0.375" (9.5mm) lead length
0
8.3ms single half sine-wave
(JEDEC method)
150
100
50
1 Cycle
0
0
50
25
75
100
125
150
175
1
10
T L , Lead Temperature ( OC)
Fig.4 Typical Reverse Characteristics
I R , Instantaneous Reverse Voltage (mA)
I F , Instantaneous Forward Current (A)
Fig.3 Typical Instantaneous Forward
Characteristics
100
SR502-G~SR504-G
SR505-G~SR508-G
10
1
0.1
T J =25 OC
Pulse width=300μs
1% duty cycle
0.01
0
0.2
0.4
0.6
0.8
1.0
100
Number of Cycles at 60Hz
1.2
1.4
V F , Instantaneous Forward Voltage (V)
SR502-G~SR504-G
SR505-G~SR508-G
1.0
T J =125 O
0.1
O
T J =75 C
0.01
T J =25 OC
0.001
0
20
40
60
80
100
120
140
Percent of Rated Peak Reverse Voltage (%)
Fig.5 Typical Junction Capacitance
C J , Junction Capacitance (pF)
10000
O
T J =25 C
f=1MHz
V sig =50mV
SR502-G~SR504-G
SR505-G~SR508-G
1000
100
0.1
1
10
100
V R , Reverse Voltage (V)
REV:A
QW-BB017
Page 2