157

Revised: November 1, 2010 05:04 PM

©2010 Littelfuse, Inc

Specifications are subject to change without notice.

Please refer to http://www.littelfuse.com for current information.

4 / 6 / 8 / 10 / 15 Amp Quadracs

QxxxxLTx Series

Trigger DIAC Specifications

Symbol

Test Conditions

Value

Unit

ΔV

BO

Breakover Voltage Symmetry

MAX.

3

V

V

BO

Breakover Voltage, forward and reverse

MIN.

33

V

MAX.

43

[ΔV±]

Dynamic Breakback Voltage, forward and reverse (note 1)

MIN.

5

V

I

BO

Peak Breakover Current

MAX.

25

uA

C

T

Trigger Firing Capacitance

MAX.

0.1

µF

(1) Reference test circuit in figure 10 and waveform in figure 11.

Thermal Resistances

Symbol

Parameter

Value

Unit

R

θ(J-C)

Junction to case (AC)

Qxx04LT

3.6

°C/W

Qxx06LT /

Qxx06LTH

3.3

Qxx08LT /

Qxx08LTH

2.8

Qxx10LT /

Qxx10LTH

2.6

Qxx15LT /

Qxx15LTH

2.1

R

θ(J-A)

Junction to ambient

50

°C/W

Note : xx = voltage

Static Characteristics

Symbol

Test Conditions

Value

Unit

V

TM

I

MAX.

1.6

V

I

V

T

MAX.

10

µA

T

500

T

2000