Littelfuse QxxxxLTx Series Bedienungsanleitung PDF herunterladen (Seite 4)

172

Revised: 09/23/13

©2013 Littelfuse, Inc

Speciﬁcations are subject to change without notice.

Teccor

®

brand Thyristors

4 / 6 / 8 / 10 / 15 Amp Quadracs

QxxxxLTx Series

Figure 1: Normalized DC Holding Current

vs. Junction Temperature

Junction Temperature (T

J

) -- °C

Ratio of I

H

/I

H

(T

J

= 25°C)

0.0

0.5

1.0

1.5

2.0

-40 -15 10 35 60 85 110

Figure 2: On-State Current vs. On-State Voltage

(Typical) (4A)

T

J

= 25°C

0

2

4

6

8

10

12

14

16

0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6

Instantaneous On-state Voltage (v

T

) – Volts

Instantaneous On-state Current (i

T

) – Amps

Qxx04LT

T

J

= 25°C

0

5

10

15

20

25

30

35

40

45

50

0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7

Instantaneous On-state Voltage (v

T

) – Volts

Instantaneous On-state Current (i

T

) – Amps

Qxx06LT/Qxx06LTH

Qxx08LT/Qxx08LTH

Qxx10LT/Qxx10LTH

Qxx15LT

Qxx15LTH

0

2

4

6

8

10

12

14

16

18

024 6810121

4 16

RMS On-State Current [I

T(R MS)

] - (Amps)

Average On-State Power Dissipation

[P

D(AV)

] - (Watts)

Qxx15LT

Qxx15LTH

Qxx06LT/Qxx06LTH

Qxx08LT/Qxx08LTH

Qxx10LT/Qxx10LTH

CURRENT WAVEFORM: Sinusoidal

LOAD: Resistive or Inductive

CONDUCTION ANGLE: 360°

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

RMS On-Sta te Current [I

T(RMS)

] - (Amps)

Average On-State Power Dissipation

[P

D(AV)

] - (Watts)

Qxx04LT

CURRENT WAVEFORM: Sinusoidal

LOAD: Resistive or Inductive

CONDUCTION ANGLE: 360°

70

80

90

100

110

120

130

0246810121

416

RMS On-State Current [I

T(R MS)

] - Amps

Maximum Allowable Case Temperature

(T

C

) - °C

CURRENT WAVEFORM: Sinusoidal

LOAD: Resistive or Inductive

CONDUCTION ANGLE: 180°

Qxx15LT

Qxx15LTH

Qxx10LT

Qxx10LTH

Qxx08LT

Qxx08LTH

Qxx06LT

Qxx06LTH

Qxx04LT

Figure 3: On-State Current vs. On-State Voltage

(Typical) (6A to 15A)

Figure 5: Power Dissipation vs. RMS On-State Current

(Typical) (6A to 15A)

Figure 4: Power Dissipation vs. RMS On-State

Current (Typical) (4A)

Figure 6: Maximum Allowable Case Temperature

vs. RMS On-State Current

1 2 3 4 5 6 7 8

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