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RFI TC.PATC SR CM 03 M 69

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SPECIFICA DEI REQUISITI DI SISTEMA S<strong>CM</strong>T<br />

Volume 3 - SottoSistema di Bordo Appendice B - Requisiti di<br />

Architettura, Interfaccia, Ambiente e RAMS<br />

S<strong>CM</strong>T Codifica: <strong>RFI</strong> <strong>TC</strong>.PA<strong>TC</strong> <strong>SR</strong> <strong>CM</strong> <strong>03</strong> M <strong>69</strong> F FOGLIO<br />

137 di 138<br />

electrolytic<br />

capacitors<br />

derating<br />

Film capacitors<br />

(polyester)<br />

derating<br />

Ceramic<br />

capacitors<br />

derating<br />

Rectifying,<br />

switching<br />

signal silicon<br />

diodes<br />

derating<br />

Rectifying,<br />

switching<br />

signal silicon<br />

diodes<br />

derating<br />

Zener<br />

Operating<br />

Power/Rated<br />

operating<br />

power<br />

R (I) = 0.7 0.75<br />

R (U) = 0.5 0.5<br />

I use = 0.25<br />

( 0.4 for power<br />

diode)<br />

Maximum Junction<br />

T° 110°C<br />

& 125°C for power<br />

diodes<br />

R = 0.15 (0.2 for<br />

power zener)<br />

Zener derating Max T° junction<br />

110°C & 125°C for<br />

power zener<br />

Transistors<br />

Actual<br />

operating<br />

power/rated<br />

operating<br />

power.<br />

Transistors<br />

Transistors<br />

R = 0.15 ( 0.2 for<br />

power tr.)<br />

R ( I peak & U<br />

peak) = 0.75<br />

Max Tj = 110°C &<br />

125°C<br />

0.5 Se output power supply usa<br />

relay di protezione<br />

Tj utilizzato < 0.75 Tj<br />

Max<br />

con Tj max tra 150°C e<br />

175 °c<br />

0.5<br />

Tj utilizzato < 0.75 Tj<br />

Max<br />

con Tj max tra 150°C e<br />

175 °c<br />

0.5<br />

0.5<br />

Tj utilizzato < 0.75 Tj<br />

Max<br />

(con TjMax di 150°C o<br />

175°C)<br />

Ammessa non conformità per<br />

175°C T° junction type.

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