2

Revised: January 25, 2013 08:34 AM

©2013 Littelfuse, Inc

Specifications are subject to change without notice.

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

12 Amp Alternistor Quadrac for LED dimmer applications

Q6012LTH1LED Series

Absolute Maximum Ratings

Symbol

Parameter

Value

Unit

I

T(RMS)

RMS forward current

Tc = 90°C

12

A

I

TSM

Peak non-repetitive surge current

single half cycle; f = 50Hz;

T

110

A

single half cycle; f = 60Hz;

T

120

t

60

di/dt

Critical rate-of-rise of on-state current

f = 60Hz; T

70

A/µs

I

GM

Peak gate current

T

1.5

A

T

stg

Storage temperature range

-40 to 150

°C

T

J

Operating junction temperature range

-40 to 110

°C

Symbol

Test Conditions

Value

Unit

I

H

I

MAX.

8

mA

dv/dt

V

MIN.

45

V/μs

dv/dt(c)

di/dt(c) = 0.54 x I

MIN.

2

V/μs

t

gt

(note 1)

TYP.

3

μs

(1) Reference test circuit in figure 7 and waveform in figure 8; C

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 7 and waveform in figure 8.

Static Characteristics

Symbol

Test Conditions

Value

Unit

V

TM

I

MAX.

1.6

V

I

V

T

MAX.

10

µA

T

1000

Thermal Resistances

Symbol

Parameter

Value

Unit

R

θ(J-C)

Junction to case (AC)

2.3

°C/W

R

θ(J-A)

Junction to ambient

50

°C/W