Littelfuse Qxx25xx Series Manual do Utilizador descarregar pdf (Página 4)

134

Revised: 09/23/13

Speciﬁcations are subject to change without notice.

Teccor

brand Thyristors

25 Amp Standard & Alternistor (High Commutation) Triacs

Qxx25xx & Qxx25xHx Series

Thermal Resistances

Symbol Parameter Value Unit

(J-C)

Junction to case (AC)

Qxx25R5 / Qxx25N5

Qxx25R6 / Qxx25NH6

Qxx25RH5 / Qxx25NH5

0.89

°C/W

Qxx25P5 1.6

Qxx25L6 / Qxx25LH5 2.0

Qxx25K6 / Qxx25J6 1.32

(J-A)

Junction to ambient

Qxx25Ry 45

°C/W

Qxx25L6 / Qxx25LH5 50

Note: xx = voltage, y = sensitivity

Figure 1: Normalized DC Gate Trigger Current

vs. Junction Temperature

Figure 2: Normalized DC Gate Trigger Voltage

vs. Junction Temperature

0.0

0.5

1.0

1.5

2.0

-40 -15 10 35 60 85 110 125

Junction Temperature (T

) -- (ºC)

Ratio of V

/ V

= 25ºC)

0.0

0.5

1.0

1.5

2.0

2.5

-40 -15 10 35 60 85 110

125

Junction Temperature (T

) -- (°C)

Ratio of I

= 25

Figure 3: Normalized DC Holding Current

vs. Junction Temperature

Figure 4: On-State Current vs. On-State

Voltage (Typical)

0.0

0.5

1.0

1.5

2.0

-40 -15 10 35 60 85 110

125

Junction Temperature (T

) -- (ºC)

Ratio of I

/ I

= 25

= 25°C

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

) – Volts

Instantaneous On-state Current (i

) – Amps

Qxx25R5

Qxx25N5

Qxx25P5/Qxx25R6

Qxx25L6/Qxx25NH6

Qxx25K6/Qxx25J6

Qxx25RH5/Qxx25LH5

Qxx25NH5

1 2 3 4 5 6 7 8 9 10 11

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