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RB751S40 -- Schottky Barrier Diodes
March 2008
RB751S40 Schottky Barrier Diodes
* * * * * * * Low Forward Voltage Drop Flat Lead, Surface Mount Device at 0.60mm Height Extremely Small Outline Plastic Package SOD523F Moisture Level Sensitivity 1 Pb-free Version and RoHS Compliant Matte Tin (Sn) Lead Finish Green Mold Compound
SOD-523F Band Indicates Cathode* Marking: 4B
Absolute Maximum Ratings* Ta=25 C unless otherwise noted
Symbol
VRRM IF(AV) IFSM TJ TSTG
Parameter
Maximum Repetitive Reverse Voltage Average Rectified Forward Current Non-Repetitive Peak Forward Current Operating Junction Temperature Range Storage Temperature Range
Value
40 30 500 -55 to +125 -55 to +125
Units
V mA mA C C
* These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Thermal Characteristics
Symbol
R
JA
Parameter
Thermal Resistance, Junction to Ambient Total Device Dissipation(TC=25 C)
Value
500 200
Unit
C/W mW
PD
*Device mounted on FR-4 PCB minimum land pad.
Electrical Characteristics* Ta=25 C unless otherwise noted
Symbol
BVR IR VF
Parameter
Breakdown Voltage Reverse Current Forward Voltage
Test Conditions
IR = 500 A VR = 10 V IF = 1mA
Min.
30
Typ.
Max.
Units
V
0.5 0.37
A V
(c) 2007 Fairchild Semiconductor Corporation RB751S40 Rev. 1.0 1
www.fairchildsemi.com
RB751S40 -- Schottky Barrier Diodes
Typical Performance Characteristics
Capacitance vs Reverse Bias Voltage
1.2
1.0
0.8
Capacitance [pF]
0.6
0.4
0.2
0.0 0 10 20 30 40
VR-Reverse Voltage [V]
Forward Voltage vs Temperature
101 100
IF - Forward Current [A]
10-1 10-2 10-3 10-4 10-5 10-6 10-7 0.0 125C
-25C 25C 75C
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
VF-Forward Voltage [V]
(c) 2007 Fairchild Semiconductor Corporation RB751S40 Rev. 1.0 2
www.fairchildsemi.com
RB751S40 -- Schottky Barrier Diodes
Typical Performance Characteristics
Power Derating Curve
250
PD - Power Dissipation [mW]
200
150
100
50
0 0 25 50 75 100 125 150
Temperature [C]
Reverse Leakage Current vs Temperature
10-3
IR - Reverse Leakage Current [A]
10-4 125C 10-5 75C
10-6
10-7
25C
10-8 -25C
10-9
10-10 0 10 20 30 40
VR-Reverse Voltage[V]
(c) 2007 Fairchild Semiconductor Corporation RB751S40 Rev. 1.0 3
www.fairchildsemi.com
RB751S40 -- Schottky Barrier Diodes
Package Dimension SOD-523F
(c) 2007 Fairchild Semiconductor Corporation RB751S40 Rev. 1.0 4
www.fairchildsemi.com
RB751S40 RB751S40 Schottky Barrier Diodes
TRADEMARKS
The following are registered and unregistered trademarks and service marks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx(R) Build it NowTM CorePLUSTM CROSSVOLTTM CTLTM Current Transfer LogicTM EcoSPARK(R) Fairchild(R) Fairchild Semiconductor(R) FACT Quiet SeriesTM FACT(R) FAST(R) FastvCoreTM FPSTM FRFET(R) Global Power ResourceSM Green FPSTM Green FPSTM e-SeriesTM GTOTM i-LoTM IntelliMAXTM ISOPLANARTM MegaBuckTM MICROCOUPLERTM MicroFETTM MicroPakTM Motion-SPMTM OPTOLOGIC(R) OPTOPLANAR(R)
(R)
PDP-SPMTM Power220(R)
Power247(R) POWEREDGE(R) Power-SPMTM PowerTrench(R) Programmable Active DroopTM QFET(R) QSTM QT OptoelectronicsTM Quiet SeriesTM RapidConfigureTM SMART STARTTM SPM(R) STEALTHTM SuperFETTM SuperSOTTM-3 SuperSOTTM-6
SuperSOTTM-8 SyncFETTM The Power Franchise(R)
TinyBoostTM TinyBuckTM TinyLogic(R) TINYOPTOTM TinyPowerTM TinyPWMTM TinyWireTM SerDesTM UHC(R) UniFETTM VCXTM
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION, OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD'S WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS.
LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Product Status Formative or In Design Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data; supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve design. This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.
Rev. I30
Preliminary
First Production
No Identification Needed
Full Production
Obsolete
Not In Production
(c) 2007 Fairchild Semiconductor Corporation RB751S40 Rev. 1.0 5
www.fairchildsemi.com

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