ROHM Schottky Barrier Diode RB751V-40 Data Sheet
Summary
The RB751V-40 is a high-reliability Schottky barrier diode designed for efficient low current rectification in ultra-small UMD2 packages. This comprehensive technical manual provides electrical specifications, absolute maximum ratings, and detailed performance curves covering voltage drop ($V_F$), forward/reverse current limits, and thermal impedance ($R_{th}$). It is essential resource for electronics engineers and circuit designers needing a compact, high-performance diode solution for miniature applications.
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RB751V-40
Diodes
Schottky barrier diode RB751V-40
Applications External dimensions (Unit : mm) Land size figure
Low current rectification
0.9MIN.
Features 1) Ultra small mold type. (UMD2) 2) Low VF 3) High reliability
Construction 0.7±0.2 Structure
Silicon epitaxial planar
ROHM : UMD2 JEDEC : S0D-323 JEITA : SC-90/A dot (year week factory)
Taping dimensions (Unit : mm)
.8 IN
Absolute maximum ratings (Ta=25°C)
Param eter Sym bol Lim its Unit
everse voltage (repetitive peak) VRM Reverse voltage (DC) VR verage rectified forward current Io orward current surge peak （60Hz・1cyc） IFSM unction tem perature Tj torage tem perature Tstg -40 to +125
Electrical characteristic (Ta=25°C)
Param eter Sym bol Min. Typ. Max. Unit Conditions
orward voltage F VF 0.37 IF=1m Reverse current IR 0.5 µA VR=30V
een term inal Ct p F VR=1V , f=1MHz Capacitance betw
Rev.B 1/3
Page Summary Contents For ROHM Schottky Barrier Diode RB751V-40 Data Sheet
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 5 |
| File Size | 122.80 KB |
| Published | June 05, 2026 |
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Frequently Asked Questions
Can I use this diode in life-critical applications?
No, it is intended for ordinary electronic equipment. For devices that endanger human life (like medical instruments or aerospace machinery), consult our sales representative first.
What is the peak repetitive reverse voltage rating?
The absolute maximum rating for repetitive peak reverse voltage ($V_R$) is 40 V.
What is the junction temperature range and limit?
The junction temperature ($T_j$) can operate up to 125°C. The storage temperature range is -40 to +125°C.