MCC
Features
• • •
omponents 21201 Itasca Street Chatsworth !"# $
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MCC
Features
omponents 21201 Itasca Street Chatsworth !"# $
% !"#
RB490D THRU RB491D
Low Turn-on Voltage Fast Switching PN Junction Guard Ring for Transient and ESD Protection
1Amp Surface Mount
Schottky Barrier Diode
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
S
2
20 to 40 Volts
SOT-346
A L
3 1
Maximum Ratings
Operating Temperature: -25°C to +125°C Storage Temperature: -50°C to +125°C
MCC Catalog Number RB491D RB490D Device Marking Maximum Recurrent Peak Reverse Voltage 20V 40V Maximum RMS Voltage 14V 28V Maximum DC Blocking Voltage 20V 40V
B
3
CATHODE
2
ANODE
D G C H
DIMENSIONS INCHES DIM A B C D G H J K L S MIN .106 .051 .039 .014 .067 .000 .004 .008 .049 .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 MM MAX 3.10 1.70 1.30 0.50 2.30 0.10 0.26 0.60 1.65 3.00 NOTE
J K
10T 10F
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward Current Peak Forward Surge Current Maximum Forward Voltage Drop Per Element RB491D RB490D Maximum DC Reverse Current At Rated DC Blocking Voltage IF(AV) IFSM 1.0A 5A TA = 90°C 8.3ms, half sine
Suggested Solder Pad Layout
.031 .800
VF
0.45V 0.53V 100µΑ 4.0mA
IFM = 1.0A TJ = 25°C TJ = 25°C TJ = 100°C
.039 1.000 0.098-0.118 2...
