RB481K
Diodes
Rev.C 1/3
Schottky barrier diode
RB481K
zApplications
z
External dimensions (Unit : mm)
z
Land size figure (Unit : mm)
Low current rectification
㪬㪤㪛㪋
㪇㪅㪎
㪇㪅㪐㪤㪠㪥㪅
㪇㪅㪇㪌
㪈㪅㪊
㪇㪅㪍
㪈㪅㪍
zFeatures
1) Ultra small mold type. (UMD4)
2) Low V
F
3) High reliability.
z
Construction
z
Structure
㪩㪦㪟㪤㩷㪑㩷㪬㪤㪛㪋
㪡㪜㪠㪫㪘㩷㪑㩷㪪㪚㪄㪏㪉
㪡㪜㪛㪜㪚㩷㪑㩷㪪㪦㪫㪄㪊㪋㪊
㪻㫆㫋㩷㩿㫐㪼㪸㫉㩷㫎㪼㪼㫂㩷㪽㪸㪺 㫋㫆㫉㫐㪀
㪈㪧㫀㫅㩷㪤㪸㫉㫂
r
r
r
r
ฦ࠼ߣ߽
หኸᴺ
Silicon epitaxial planar
z
Taping specification (Unit : mm)
z
A bsolute maximum ratings (Ta=25qC)
z
Electrical characteristics (Ta=25qC)
㩷
Symbol Min. Typ. Max. Unit
VF1- - 0.28 V IF=1mA
VF2- - 0.33 V IF=10mA
VF3- - 0.43 V IF=100mA
VF4- - 0.50 V IF=200mA
Reverse current IR--30μAVR=10V
Conditions
Forward voltage
Parameter
Symbol Unit
VRM V
VRV
Io mA
IFSM A
Tj 㷄
Tstg 㷄
Limits
30
200
Parameter
Reverse voltage (DC)
Average rectified forward current*1
30
orward current surge peak 䋨60Hz䊶1cyc䋩䋨*1䋩1
125
-40 to +125
Reverse voltage (repetitive peak)
F
Junction temperature
Storage temperature
(*1) Rating of per diode
r
r
/KP
㨪
Eac h lead has same dim ension
r
㪉㪅㪉㫧㪇㪅㪈 㪋㪅㪇㫧㪇㪅㪈
㪋㪅㪇㫧㪇㪅㪈 㪉㪅㪇㫧㪇㪅㪇㪌 㱢㪈㪅㪌㪌㫧㪇㪅㪇㪌
㪊㪅㪌㫧㪇㪅㪇㪌 㪈㪅㪎㪌㫧㪇㪅㪈
㪏㪅㪇㫧㪇㪅㪉
㪈㪅㪈㪌㫧㪇㪅㪈
㪉㪅㪋㫧㪇㪅㪈
㱢㪈㪅㪈㫧㪇㪅㪈
㪉㪅㪋㪌㫧㪇㪅㪈
㪇㪅㪊㫧㪇㪅㪈
㪉㪅㪋㫧㪇㪅㪈
㪌㪅㪌㫧㪇㪅㪉
㪇䌾㪇㪅㪌
RB481K
Diodes
Rev.C 2/3
z
Electrical characteristic curves (Ta=25qC)
㪇㪅㪇㪈
㪇㪅㪈
㪈
㪈㪇
㪈㪇㪇
㪈㪇㪇㪇
㪈㪇㪇㪇㪇
㪈㪇㪇㪇㪇㪇
㪇㪈㪇㪉㪇㪊㪇
㪫㪸㪔㪈㪉㪌㷄
㪫㪸㪔㪎㪌㷄
㪫㪸㪔㪉㪌㷄
㪫㪸㪔㪄㪉㪌㷄
㪝㪦㪩㪮㪘㪩㪛㩷㪭㪦㪣㪫㪘㪞㪜䋺㪭㪝㩿㫄㪭㪀
㪭㪝㪄㪠㪝㩷㪚㪟㪘㪩㪘㪚㪫㪜㪩㪠㪪㪫㪠㪚㪪
㪝㪦㪩㪮㪘㪩㪛㩷㪚㪬㪩㪩㪜㪥㪫㪑㪠㪝㩿㫄㪘㪀
㪩㪜㪭㪜㪩㪪㪜㩷㪚㪬㪩㪩㪜㪥㪫㪑㪠㪩㩿㫌㪘㪀
㪩㪜㪭㪜㪩㪪㪜㩷㪭㪦㪣㪫㪘㪞㪜䋺㪭㪩㩿㪭㪀
㪭㪩㪄㪠㪩㩷㪚㪟㪘㪩㪘㪚㪫㪜㪩㪠㪪㪫㪠㪚㪪
㪚㪘㪧㪘㪚㪠㪫㪘㪥㪚㪜㩷㪙㪜㪫㪮㪜㪜㪥
㪫㪜㪩㪤㪠㪥㪘㪣㪪㪑㪚㫋㩿㫇㪝㪀
㪩㪜㪭㪜㪩㪪㪜㩷㪭㪦㪣㪫㪘㪞㪜㪑㪭㪩㩿㪭㪀
㪭㪩㪄㪚㫋㩷㪚㪟㪘㪩㪘㪚㪫㪜㪩㪠㪪㪫㪠㪚㪪
㪭㪝㩷㪛㪠㪪㪧㪜㪩㪪㪠㪦㪥㩷㪤㪘㪧
㪝㪦㪩㪮㪘㪩㪛㩷㪭㪦㪣㪫㪘㪞㪜㪑㪭㪝㩿㫄㪭㪀
㪩㪜㪭㪜㪩㪪㪜㩷㪚㪬㪩㪩㪜㪥㪫㪑㪭㪩㩿㫌㪘㪀
㪠㪩㩷㪛㪠㪪㪧㪜㪩㪪㪠㪦㪥㩷㪤㪘㪧
㪚㪘㪧㪘㪚㪠㪫㪘㪥㪚㪜㩷㪙㪜㪫㪮㪜㪜㪥
㪫㪜㪩㪤㪠㪥㪘㪣㪪㪑㪚㫋㩿㫇㪝㪀
㪚㫋㩷㪛㪠㪪㪧㪜㪩㪪㪠㪦㪥㩷㪤㪘㪧
㪠㪝㪪㪤㩷㪛㪠㪪㪧㪜㪩㪪㪠㪦㪥㩷㪤㪘㪧
㪧㪜㪘㪢㩷㪪㪬㪩㪞㪜
㪝㪦㪩㪮㪘㪩㪛㩷㪚㪬㪩㪩㪜㪥㪫㪑㪠㪝㪪㪤㩿㪘㪀
㪧㪜㪘㪢㩷㪪㪬㪩㪞㪜
㪝㪦㪩㪮㪘㪩㪛㩷㪚㪬㪩㪩㪜㪥㪫㪑㪠㪝㪪㪤㩿㪘㪀
㪥㪬㪤㪙㪜㪩㩷㪦㪝㩷㪚㪰㪚㪣㪜㪪
㪠㪝㪪㪤㪄㪚㪰㪚㪣㪜㩷㪚㪟㪘㪩㪘㪚㪫㪜㪩㪠㪪㪫㪠㪚㪪
㪧㪜㪘㪢㩷㪪㪬㪩㪞㪜
㪝㪦㪩㪮㪘㪩㪛㩷㪚㪬㪩㪩㪜㪥㪫㪑㪠㪝㪪㪤㩿㪘㪀
㪫㪠㪤㪜㪑㫋㩿㫄㫊㪀
㪠㪝㪪㪤㪄㫋㩷㪚㪟㪘㪩㪘㪚㪫㪜㪩㪠㪪㪫㪠㪚㪪
㪫㪠㪤㪜㪑㩿㫊㪀
㪩㫋㪿㪄㫋㩷㪚㪟㪘㪩㪘㪚㪫㪜㪩㪠㪪㪫㪠㪚㪪
㪫㪩㪘㪥㪪㪠㪜㪥㪫
㪫㪟㪘㪜㪩㪤㪘㪣㩷㪠㪤㪧㪜㪛㪘㪥㪚㪜㪑㪩㫋㪿㩷㩿㷄㪆㪮㪀
㪝㪦㪩㪮㪘㪩㪛㩷㪧㪦㪮㪜㪩
㪛㪠㪪㪪㪠㪧㪘㪫㪠㪦㪥㪑㪧㪽㩿㪮㪀
㪘㪭㪜㪩㪘㪞㪜㩷㪩㪜㪚㪫㪠㪝㪠㪜㪛
㪝㪦㪩㪮㪘㪩㪛㩷㪚㪬㪩㪩㪜㪥㪫䋺㪠㫆㩿㪘㪀
㪠㫆㪄㪧䌦㩷㪚㪟㪘㪩㪘㪚㪫㪜㪩㪠㪪㪫㪠㪚㪪
㪩㪜㪭㪜㪩㪪㪜㩷㪧㪦㪮㪜㪩
㪛㪠㪪㪪㪠㪧㪘㪫㪠㪦㪥㪧
㪩㩷
㩿㫎㪀
㪩㪜㪭㪜㪩㪪㪜㩷㪭㪦㪣㪫㪘㪞㪜䋺㪭㪩㩿㪭㪀
㪭㪩㪄㪧
㪩
㩷㪚㪟㪘㪩㪘㪚㪫㪜㪩㪠㪪㪫㪠㪚㪪
㪇㪅㪇㪇㪈
㪇㪅㪇㪈
㪇㪅㪈
㪈
㪈㪇
㪈㪇㪇
㪈㪇㪇㪇
㪇 㪈㪇㪇 㪉㪇㪇 㪊㪇㪇 㪋㪇㪇 㪌㪇㪇
㪫㪸㪔㪈㪉㪌㷄
㪫㪸㪔㪎㪌㷄
㪫㪸㪔㪉㪌㷄
㪫㪸㪔㪄㪉㪌㷄
㪋㪇㪇
㪋㪈㪇
㪋㪉㪇
㪋㪊㪇
㪋㪋㪇
㪋㪌㪇
㪫㪸㪔㪉㪌㷄
㪠㪝㪔㪉㪇㪇㫄㪘
㫅㪔㪈㪇㫇㪺㫊
㪘㪭㪜㪑㪋㪉㪈㪅㪇㫄㪭
㪇
㪌
㪈㪇
㪈㪌
㪉㪇
㪉㪌
㪊㪇
㪊㪌
㪋㪇
㪋㪌
㪌㪇
㪫㪸㪔㪉㪌㷄
㪭㪩㪔㪈㪇㪭
㫅㪔㪊㪇㫇㪺㫊
㪘㪭㪜㪑㪋㪅㪎㪎㪌㫌㪘
㪈㪇
㪈㪈
㪈㪉
㪈㪊
㪈㪋
㪈㪌
㪈㪍
㪈㪎
㪈㪏
㪈㪐
㪉㪇
㪘㪭㪜㪑㪈㪋㪅㪊㪊㫇㪝
㪇
㪌
㪈㪇
㪈㪌
㪉㪇
㪘㪭㪜㪑㪌㪅㪍㪇㪘
㪏㪅㪊㫄㫊
㪠㪽㫊㫄 㪈㪺㫐㪺
㪇
㪌
㪈㪇
㪈㪈㪇㪈㪇㪇
㪏㪅㪊㫄㫊
㪠㪽㫊㫄
㪈㪺㫐㪺
㪏㪅㪊㫄㫊
㪇
㪌
㪈㪇
㪈 㪈㪇 㪈㪇㪇
㫋
㪠㪽㫊㫄
㪈㪇
㪈㪇㪇
㪈㪇㪇㪇
㪇㪅㪇㪇㪈 㪇㪅㪈 㪈㪇 㪈㪇㪇㪇
㪩㫋㪿㩿㫁㪄㪸㪀
㪩㫋㪿㩿㫁㪄㪺㪀
㪈㫄㫊
㪠㪤㪔㪈㪇㫄㪘 㪠㪝㪔㪈㪇㪇㫄㪘
㪊㪇㪇㫌㫊
㫋㫀㫄㪼
㪤㫆㫌㫅㫋㪼㪻㩷㫆㫅㩷㪼㫇㫆㫏㫐㩷㪹㫆㪸㫉㪻
㪇
㪇㪅㪇㪌
㪇㪅㪈
㪇㪅㪈㪌
㪇㪅㪉
㪇 㪇㪅㪈 㪇㪅㪉 㪇㪅㪊 㪇㪅㪋 㪇㪅㪌
㪇
㪇㪅㪈
㪇㪅㪉
㪇㪅㪊
㪇㪅㪋
㪇㪅㪌
㪇 㪈㪇㪉㪇㪊㪇
㪪㫀㫅㩿㱔䋽㪈㪏㪇㪀
㪛㪔㪈㪆㪉
㪛㪚
㪈
㪈㪇
㪈㪇㪇
㪇 㪌 㪈㪇 㪈㪌 㪉㪇
㪽㪔㪈㪤㪟㫑
㪫㪸㪔㪉㪌㷄
㪽㪔㪈㪤㪟㫑
㪭㪩㪔㪇㪭
㫅㪔㪈㪇㫇㪺㫊
㪛㪚
㪛㪔㪈㪆㪉
㪪㫀㫅㩿㱔䋽㪈㪏㪇㪀
RB481K
Diodes
Rev.C 3/3
㪘㪤㪙㪠㪜㪥㪫㩷㪫㪜㪤㪧㪜㪩㪘㪫㪬㪩㪜䋺㪫㪸㩿㷄㪀
㪛㪼㫉㪸㫋㫀㫅㪾㩷㪚㫌㫉㫍㪼
㪘㪭㪜㪩㪘㪞㪜㩷㪩㪜㪚㪫㪠㪝㪠㪜㪛
㪝㪦㪩㪮㪘㪩㪛㩷㪚㪬㪩㪩㪜㪥㪫㩷㪠㫆㩿㪘㪀
㪘㪭㪜㪩㪘㪞㪜㩷㪩㪜㪚㪫㪠㪝㪠㪜㪛
㪝㪦㪩㪮㪘㪩㪛㩷㪚㪬㪩㪩㪜㪥㪫㩷㪠㫆㩿㪘㪀
㪚㪘㪪㪜㩷㪫㪜㪤㪧㪘㪩㪘㪫㪬㪩㪜䋺㪫㪺㩿㷄㪀
㪛㪼㫉㪸㫋㫀㫅㪾㩷㪚㫌㫉㫍㪼
㪇
㪇㪅㪈
㪇㪅㪉
㪇㪅㪊
㪇㪅㪋
㪇㪅㪌
㪇 㪉㪌 㪌㪇 㪎㪌 㪈㪇㪇 㪈㪉㪌
㪪㫀㫅㩿㱔䋽㪈㪏㪇㪀
㪛㪔㪈㪆㪉
㪛㪚
㪇
㪇㪅㪈
㪇㪅㪉
㪇㪅㪊
㪇㪅㪋
㪇㪅㪌
㪇 㪉㪌 㪌㪇 㪎㪌 㪈㪇㪇 㪈㪉㪌
㪫㪫㫁㪔㪈㪉㪌㷄
㪛㪔㫋㪆㪫
㫋㪭㪩
㪠㫆
㪭㪩㪔㪈㪌㪭
㪇㪘
㪇㪭
㪫㪫㫁㪔㪈㪉㪌㷄
㪛㪔㫋㪆㪫
㫋㪭㪩
㪠㫆
㪭㪩㪔㪈㪌㪭
㪇㪘
㪇㪭
㪪㫀㫅㩿㱔䋽㪈㪏㪇㪀
㪛㪔㪈㪆㪉
㪛㪚
Appendix
Appendix1-Rev1.1
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
