RB491D Просмотр технического описания (PDF) - Micro Commercial Components
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RB491D Datasheet PDF : 2 Pages
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MCC
omponents
21201 Itasca Street Chatsworth
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Features
• Low Turn-on Voltage
• Fast Switching
• PN Junction Guard Ring for Transient and ESD Protection
Mechanical Data
• Case :SOT-346,Molded Plastic
• Terminals :Solderable per MIL-STD-202,Method 208
• Polarity :See Diagrams Below
• Weight :0.008 grams (approx)
• Mountion Position :Any
Maximum Ratings
• Operating Temperature: -25°C to +125°C
• Storage Temperature: -50°C to +125°C
MCC
Catalog
Number
RB491D
RB490D
Device
Marking
10T
10F
Maximum
Recurrent
Peak Reverse
Voltage
20V
40V
Maximum
RMS
Voltage
14V
28V
Maximum
DC
Blocking
Voltage
20V
40V
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current
IF(AV)
1.0A TA = 90°C
Peak Forward Surge
IFSM
Current
5A 8.3ms, half sine
Maximum Forward
Voltage Drop Per
Element
RB491D
VF
RB490D
0.45V IFM = 1.0A
0.53V TJ = 25°C
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR
100µΑ TJ = 25°C
4.0mA TJ = 100°C
*Pulse Test: Pulse Width 300µsec, Duty Cycle 1%
RB490D
THRU
RB491D
1Amp Surface Mount
Schottky Barrier Diode
20 to 40 Volts
SOT-346
A
L
3
S
2
1
B3
CATHODE
2
ANODE
D
G
C
J
H
K
DIMENSIONS
INCHES
MM
DIM
MIN
A
.106
B
.051
C
.039
D
.014
G
.067
H
.000
J
.004
K
.008
L
.049
S
.089
MAX
.122
.067
.051
.020
.091
.004
.010
.024
.065
.118
MIN
2.70
1.30
1.00
0.35
1.70
0.00
0.10
0.20
1.25
2.25
MAX
3.10
1.70
1.30
0.50
2.30
0.10
0.26
0.60
1.65
3.00
NOTE
Suggested Solder
Pad Layout
.031
.800
.039
1.000
0.098-0.118
2.5-3.0
.094
2.400
inches
mm
.037
.950
.037
.950
www.mccsemi.com
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