Skript vom Sommersemester 2012 - Institut für Automatisierungs ...

§ 15 Sicherheitsnachweis (SN)
ZSA
Ausfallarten eines Transistors (zu TS3)
Nr. Ausfallart
Interruption:
1 • of emitter (E)
2 • and/or base (B)
3 • and/or collector (C)
4
5
6
7
Short circuit:
• between E and B
• between B and C
• between E and C
• between E and B and C
8 Short-circuit between two connections and interruption of the
third connection
9 Short-circuit between casing and E or B or C
10 Increase of DC and/or AC amplification *
11 Decrease of DC and/or AC amplification
12 Increase of base-emitter conducting-state voltage
13 Decrease of base-emitter conducting-state voltage
14 Increase of threshold voltage VBE *
15 Decrease of threshold voltage VBE *
16 Decrease of break-down voltage VEB or VCB or VCE
17 Change of rise time, fall time, turn-on time, turn-off time
18 Increase of residual current ICB, IEB, ICE
19 Change of saturation voltage VCE
© 2012 IAS, Universität Stuttgart
* Ausfallarten
können mit
entsprechender
Begründung
ausgeschlossen
werden.
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