Datasheet
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? 2012 ROHM Co., Ltd. All rights reserved.
Schottky Barrier Diode
RB480K / RB480KFH
?Application
?Dimensions (Unit : mm)
 ?Land size figure (Unit : mm)
Low current rectification
?Features
1) Ultra small mold type.
(UMD4)
2)
Low IR
?Structure
3) High reliability
?Construction
?Taping specifications (Unit : mm)
Silicon epitaxial planar
?Absolute maximum ratings (Ta = 25°C)
Symbol UnitLimits
Reverse voltage (repetitive peak)
VRM
V
Reverse voltage (DC)
VR
V
Average rectified forward current (*1) Io mA100
IFSM
A
Junction temperature Tj °C125
Storage temperature Tstg °C?40 to +125
(*1) Rating of per diode
Parameter ConditionsSymbol Min. Typ. Max. Unit
VF1
- - 0.45 V
IF=10mA
VF2
--0.6VIF=100mA
IR1
--1μAVR=10V
IR2
--5μAVR=40V
Ct1 - 6 - pF
VR=10V, f=1MHz
Ct2 - - 25 pF
VR=0V
Parameter
Forward voltage
Reverse current
Capacitance between terminals
?Electrical characteristics (Ta= 25°C)
45
40
1
Forward current surge peak (60Hz?1cyc) (*1)
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Each lead has same dimension得佰ш昂d ̄
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dot (year week factory)
ROHM : UMD4
JEITA : SC-82
JEDEC : SOT-343
1Pin Mark
UMD4
0.6
1.6
0.9MIN
1.3
2.2±0.1
4.0±0.1
4.0±0.1
2.0±0.05
φ1.55±0.05
50.0±5.3
1.0±57.1
2.0±0.8
1.15±0.1
1.0±4.2
φ1.1±0.1
1.0±54.2
0.3±0.1
1.0
±4.
2
2
.
5.5
5.0
0
1/4
2012.12 - Rev.D
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