® WON-TOP ELECTRONICS
RB491D
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Pb
Features
Low Forward Voltage
Fast Switching...
® WON-TOP ELECTRONICS
RB491D
SURFACE MOUNT
SCHOTTKY BARRIER DIODE
Pb
Features
Low Forward Voltage
Fast Switching Speed
A
PN Junction Guard Ring for Transient and
ESD Protection
For General Purpose Switching Applications
B
C
Plastic Material – UL Recognition Flammability
Classification 94V-0
E
D
H
Mechanical Data
Case: SOT-23, Molded Plastic
K
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208 Polarity: See Diagram Weight: 0.008 grams (approx.) Mounting Position: Any Marking: D2E Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
J G
TOP VIEW
L
M
SOT-23
Dim
Min
Max
A
0.30
0.50
B
1.19
1.40
C
2.10
2.50
D
0.89
1.05
E
0.45
0.61
G
1.78
2.05
H
2.65
3.05
J
0.013
0.15
K
0.89
1.10
L
0.45
0.61
M
0.076 0.178
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Forward Continuous Current Non-Repetitive Peak Forward Surge Current, 60Hz Operating and Storage Temperature Range
Symbol
VRM VRRM VRWM
VR IF IFSM TJ, TSTG
Thermal Characteristics
Characteristic Power Dissipation (Note 1)
Symbol PD
Note: 1. Mounted on FR-4 PC board with minimum recommended pad layout.
Value
Unit
25
V
20
V
1.0
A
3.0
A
-40 to +125
°C
Value
Unit
200
mW
© Won-Top Electronics Co., Ltd. Revision: October, 2018
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