AC08FSM datasheet(50/223 Pages) TECCOR

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Alternistor Triacs

Data Sheets

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E4 - 6

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Thyristor Product Catalog

(10) See Figure E4.12 for tgt versus IGT.

(11) See package outlines for lead form configurations. When ordering

special lead forming, add type number as suffix to part number.

(12) Initial on-state current = 400 mA dc for 16 A to 40 A devices and

100 mA for 6 A to 12 A devices.

(13) See Figure E4.1 through Figure E4.4 for maximum allowable case

temperature at maximum rated current.

(14) Pulse width

≤10 µs; IGT ≤ IGTM

(15) For 6 A to 12 A devices, RL = 60

Ω; 16 A and above, RL = 30 Ω

(16) 40 A pin terminal leads on K package can run 100 °C to 125 °C.

(17) Alternistor does not turn on in Quadrant IV.

(18) TC = TJ for test conditions in off state

(19) IGT = 200 mA for 6 A to 12 A devices and 500 mA for 16 A to 40 A

devices with gate pulse having rise time of

≤0.1 µs.

(20) Minimum non-trigger VGT at 125 °C is 0.2 V.

Gate Characteristics

Teccor triacs may be turned on in the following ways:

•

In-phase signals (with standard AC line) using Quadrants I

and III

•

Application of unipolar pulses (gate always negative), using

Quadrants II and III with negative gate pulses

In all cases, if maximum surge capability is required, gate pulses

should be a minimum of one magnitude above minimum IGT rating

with a steep rising waveform (

≤1 µs rise time).

If QIV and QI operation is required (gate always positive), see

Figure AN1002.8, “Amplified Gate” Thyristor Circuit.

Definition of Quadrants

Electrical Isolation

Teccor’s isolated alternistor packages withstand a minimum high

potential test of 2500 V ac rms from leads to mounting tab, over

the operating temperature range of the device. The following iso-

lation table shows standard and optional isolation ratings.

* UL Recognized File E71639

** For 4000 V isolation, use V suffix in part number.

* UL Recognized Product per UL File E71639

** For 4000 V isolation, use V suffix in part number.

Electrical Isolation

from Leads to Mounting Tab *

VAC RMS

TO-218

Isolated

TO-220

Isolated

TO-218X

Isolated

2500

Standard

4000

N/A

Optional **

N/A

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

(+)

GT -

GATE

(

GATE

(+)

NOTE: Alternistors will not operate in QIV

Thermal Resistance (Steady State)

R θ JC [R θ JA] (TYP.) °C/W

Package Code

Type

TO-218

Isolated *

TO-218X

Isolated *

TO-220

Isolated **

TO-220

Non-Isolated

TO-252

D-Pak

TO-251

V-Pak

TO-263

D2Pak

6 A

3.3 [50]

1.80 [45]

2.1

2.3 [64]

1.80

8 A

2.8

1.50

1.8

2.1

1.50

10 A

2.6

1.30

12 A

2.3

1.20

16 A

2.1

1.10

25 A

1.35

1.32

2.0

0.87

30 A

2.3

35 A

0.85

40 A

0.97

0.95

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