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RB491DT146 Datasheet, PDF (1/4 Pages) Rohm – Shottky barrier diode | |||
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Data Sheet
Shottky barrier diode
RB491D
ï¬Application
Low current rectification
ï¬Features
1) Small mold type. (SMD3)
2) Low IR
3) High reliability.
ï¬Structure
Silicon epitaxial planar
ï¬Dimensions (Unit : mm)
2.9± 0.2
åãªã¼ãã¨ã
0.4 ï¼0.1 Eachåle寸aæ³d has same dimension
ãï¼0.05
(3)
ï¼0.1
0.15ï¼0.06
ï¬Lead size figure (Unit : mm)
0.8MIN.
0.95
(2)
(1)
0.95
0.95
1.9± 0.2
0ï½ 0.1
0. 8 ± 0 . 1
11..11展Ǖ0000....21201
SMD3
ï¬Structure
1.9
ROHM : SMD3
JEDEC :S0T-346
JEITA : SC-59
week code
ï¬Taping dimensions (Unit : mm)
4.0±0.1
2.0±0.05
Ï1.5±0.1
ããããã 0
0.3±0.1
3.2±0.1
4.0±0.1
Ï1.05MIN
1.35±0.1
ï¬Absolute maximum ratings (Ta=25ï°C)
Parameter
Reverse voltage (repetitive peak)
Reverse voltage (DC)
Average rectified forward voltage (*1)
Forward current surge peak (60Hzã»1cyc) (*1)
Junction temperature
Storage temperature
(*1) Rating of per diode
Symbol
VRM
VR
Io
IFSM
Tj
Tstg
Limits
25
20
1
3
125
ï40 to ï«125
ï¬Electrical characteristics (Ta=25ï°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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1/3
2011.03 - Rev.D
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