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Safe operating area

For power semiconductor devices (such as BJT, MOSFET, thyristor or IGBT), the safe operating area (SOA) is defined as the voltage and current conditions over which the device can be expected to operate without self-damage.

Measurement, Limits of the safe operating area & MOSFET thermal runaway in linear mode

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Limits of the safe operating area

Logarithmic scalesDesign engineerAmplifiersPower suppliesFoldback
5 related topics

MOSFET thermal runaway in linear mode

TransconductanceThreshold voltageThermal runaway
3 related topics

Overview

Power semiconductor devicesBJTMOSFETThyristorIGBT
11 related topics

Secondary breakdown

Avalanche transistor
1 related topics

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Overview

Limits of the safe operating area

Secondary breakdown

MOSFET thermal runaway in linear mode

Reverse bias safe operating area

Protection

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Safe operating area

Nodes29
Edges28
Triples28
Avg. degree1.93
Density0.068966
Components1

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Safe operating area

Top relations

related to Reverse bias safe operating area · 11
Safe operating area → As, For, IGBTs, RBSOA, Since, SOA, The, The RBSOA, Transistors, Typically, While
related to Secondary breakdown · 11
Safe operating area → Avalanche, BJT, Except, For, However, In, MOSFETs, Older, PN, Secondary, This

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Important terminology

current power soa voltage breakdown device secondary area operating safe transistor temperature conditions curve protection rbsoa junction transistors mosfet also

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
amplifiersinstance ofSOA specifications are useful to the design engineer working on power circuits0.80text
power supplies as they allow quick assessment of the limits of device performanceinstance ofSOA specifications are useful to the design engineer working on power circuits0.80text
the design of appropriate protection circuitryinstance ofSOA specifications are useful to the design engineer working on power circuits0.80text
or selection of a more capable deviceinstance ofSOA specifications are useful to the design engineer working on power circuits0.80text
minority carrier storage timeinstance ofdue to effects0.80text
capacitanceinstance ofdue to effects0.80text
Safe operating arearelated to Reverse bias safe operating areaTransistors0.60section
Safe operating arearelated to Reverse bias safe operating areaWhile0.60section
Safe operating arearelated to Reverse bias safe operating areaThe0.60section
Safe operating arearelated to Reverse bias safe operating areaRBSOA0.60section
Safe operating arearelated to Reverse bias safe operating areaSOA0.60section
Safe operating arearelated to Reverse bias safe operating areaAs0.60section

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