Littelfuse Qxx40xx Series Manual do Utilizador descarregar pdf (Página 3)

163

Revised: 09/23/13

Speciﬁcations are subject to change without notice.

Teccor

brand Thyristors

40 Amp Alternistor (High Commutation) Triacs

Qxx40xx Series

Figure 1: Deﬁnition of Quadrants

Figure 3: Normalized DC Holding Current

vs. Junction Temperature

Figure 2: Normalized DC Gate Trigger Current for

All Quadrants vs. Junction Temperature

Figure 4: Normalized DC Gate Trigger Voltage for

All Quadrants vs. Junction Temperature

+125

0.0

1.0

2.0

3.0

4.0

-40 -15 10 35 60 85 110

Junction Temperature -- (°C)

Ratio of I

/ I

= 25°C)

+ 125

0.0

1.0

2.0

3.0

4.0

-40 -15 10 35 60 85 110

Ratio of I

/ I

= 25°C)

Junction Temperature - °C

+125

0.0

0.5

1.0

1.5

2.0

-40- 15 10 35 60 85 110

Ratio of V

/ V

= 25°C)

Junction Temperature - °C

MT2 POSITIVE

(Positive Half Cycle)

MT2 NEGATIVE

(Negative Half Cycle)

MT1

MT2

+ I

REF

QII

MT1

GATE

MT2

REF

MT1

MT2

REF

MT1

MT2

REF

QIV

QIII

ALL POLARITIES ARE REFERENCED TO MT1

(-)

GATE

(+)

GATE

(-)

GATE

(+)

Note: Alternistors will not operate in QIV

0 4 8 12 16 20 24 28 32 36 40

RMS On-State Current [I

T(RMS)

] - AMPS

Average On-State Power Dissipation

D (AV)

] - Watts

Figure 5: Power Dissipation (Typical)

vs. RMS On-State Current

Figure 6: Maximum Allowable Case Temperature

vs. On-State Current

100

110

120

130

0 5 10 15 20 25 30 35 40 45 50

RMS On-State Current [I

T(RMS)

] - AMPS

Max Allowable Case Temperature

) - ºC

1 2 3 4 5 6 7

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