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RB491DT146 Datasheet, PDF (1/4 Pages) Rohm – Shottky barrier diode
Data Sheet
Shottky barrier diode
RB491D
Application
Low current rectification
Features
1) Small mold type. (SMD3)
2) Low IR
3) High reliability.
Structure
Silicon epitaxial planar
Dimensions (Unit : mm)
2.9± 0.2
各リードとも
0.4 +0.1 Each同le寸a法d has same dimension
 -0.05
(3)
+0.1
0.15-0.06
Lead size figure (Unit : mm)
0.8MIN.
0.95
(2)
(1)
0.95
0.95
1.9± 0.2
0~ 0.1
0. 8 ± 0 . 1
11..11±0000....21201
SMD3
Structure
1.9
ROHM : SMD3
JEDEC :S0T-346
JEITA : SC-59
week code
Taping dimensions (Unit : mm)
4.0±0.1
2.0±0.05
φ1.5±0.1
      0
0.3±0.1
3.2±0.1
4.0±0.1
φ1.05MIN
1.35±0.1
Absolute maximum ratings (Ta=25C)
Parameter
Reverse voltage (repetitive peak)
Reverse voltage (DC)
Average rectified forward voltage (*1)
Forward current surge peak (60Hz・1cyc) (*1)
Junction temperature
Storage temperature
(*1) Rating of per diode
Symbol
VRM
VR
Io
IFSM
Tj
Tstg
Limits
25
20
1
3
125
40 to 125
Electrical characteristics (Ta=25C)
Parameter
Forward voltage
Reverse current
Symbol Min. Typ. Max.
VF
-
-
0.45
IR
-
-
200
Unit
V
V
A
A
°C
°C
Unit
Conditions
V
IF=1A
μA
VR=20V
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2011.03 - Rev.D