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Q2008NH4 View Datasheet(PDF) - Teccor Electronics

Part NameQ2008NH4 TECCOR
Teccor Electronics TECCOR
DescriptionAlternistor Triacs (6 A to 40 A)
Q2008NH4 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
Alternistor Triacs
Data Sheets
(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 W; 16 A and above, RL = 30 W
(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.
ALL POLARITIES ARE REFERENCED TO MT1
MT2 POSITIVE
MT2
(Positive Half Cycle)
+
MT2
(-) I GT
GATE
- I G T
MT1
REF
MT2
(+) I GT
GATE
MT1
QII QI
QIII QIV
REF
MT2
+ IGT
(-) I GT
GATE
(+) I GT
GATE
MT1
-
REF
MT2 NEGATIVE
MT1
REF
(Negative Half Cycle)
NOTE: Alternistors will not operate in QIV
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.
V AC RMS
2500
4000
Electrical Isolation
from Leads to Mounting Tab *
TO-218
Isolated
TO-220
Isolated
Standard
Standard
N/A
Optional **
* UL Recognized File E71639
** For 4000 V isolation, use V suffix in part number.
TO-218X
Isolated
Standard
N/A
Package Code
K
Thermal Resistance (Steady State)
R q JC [R q JA] (TYP.) °C/W
J
L
R
D
V
N
Type
6A
8A
10 A
12 A
16 A
25 A
30 A
35 A
40 A
TO-218
Isolated *
TO-218X
Isolated *
1.35
1.32
0.97
0.95
* UL Recognized Product per UL File E71639
** For 4000 V isolation, use V suffix in part number.
TO-220
Isolated **
3.3 [50]
2.8
2.6
2.3
2.1
2.0
2.3
TO-220
Non-Isolated
1.80 [45]
1.50
1.30
1.20
1.10
0.87
0.85
TO-252
D-Pak
2.1
1.8
TO-251
V-Pak
2.3 [64]
2.1
TO-263
D2Pak
1.80
1.50
1.30
1.20
1.10
0.87
http://www.teccor.com
+1 972-580-7777
E4 - 6
©2002 Teccor Electronics
Thyristor Product Catalog
Direct download click here
 

General Description
Teccor offers bidirectional alternistors with current ratings from 6 A to 40 A and voltages from 200 V to 1000 V as part of Teccors broad line of thyristors. Teccors alternistor is specifically designed for applications that switch highly inductive loads. A special chip offers the same performance as two thyristors (SCRs) wired inverse parallel (back-to-back), providing better turn-off behavior than a standard triac. An alternistor may be triggered from a blocking to conduction state for either polarity of applied AC voltage with operating modes in Quadrants I, II, and III.
This new chip construction provides two electrically separate SCR structures, providing enhanced dv/dt characteristics while retaining the advantages of a single-chip device.

Features
• High surge current capability
• Glass-passivated junctions
• 2500 V ac isolation for L, J, and K Packages
• High commutating dv/dt
• High static dv/dt

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