ACST210-8FP STMicroelectronics, ACST210-8FP Datasheet - Page 7

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ACST210-8FP

Manufacturer Part Number
ACST210-8FP
Description
IC AC SW 2A 800V 10MA TO22-FPAB
Manufacturer
STMicroelectronics
Series
ACS™/A.S.D®r
Datasheet

Specifications of ACST210-8FP

Triac Type
Logic - Sensitive Gate
Mounting Type
Through Hole
Configuration
Single
Current - Hold (ih) (max)
10mA
Voltage - Off State
800V
Current - Gate Trigger (igt) (max)
10mA
Current - Non Rep. Surge 50, 60hz (itsm)
8A, 8.4A
Current - On State (it (rms)) (max)
2A
Voltage - Gate Trigger (vgt) (max)
1.1V
Package / Case
TO-220AB
Current - On State (it (rms) (max)
2A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-10642-5

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0
ACST2
2.2
AC line transient voltage ruggedness
In comparison with standard Triacs, which are not robust against surge voltage, the ACST2
is self-protected against over-voltage, specified by the new parameter V
ACST2 is a sensitive device (I
fast transients. The ACST2 switch can safely withstand AC line transient voltages either by
clamping the low energy spikes, such as inductive spikes at switch off, or by switching to the
on state (for less than 10 ms) to dissipate higher energy shocks through the load. This safety
feature works even with high turn-on current ramp up.
The test circuit of
ACST switch according to the IEC 61000-4-5 standard conditions. With the additional effect
of the load which is limiting the current, the ACST switch withstands the voltage spikes up to
2 kV on top of the peak line voltage. The protection is based on an overvoltage crowbar
technology. The ACST2 folds back safely to the on state as shown in
recovers its blocking voltage capability after the surge and the next zero current crossing.
Such a non repetitive test can be done at least 10 times on each AC line voltage polarity.
Figure 17. Overvoltage ruggedness test circuit for resistive and inductive loads for
A
C Mains
IEC 61000-4-5 standards
Filtering unit
Figure 17
represents the ACST2 application, and is used to stress the
GT
R = 20 , L = 10 µH, V PP = 2 kV
Doc ID 13304 Rev 3
= 10 ma), but provides a high noise immunity level againast
Surge generator
2kV surge
Rgene
Model of the load
R
L
Application information
Figure
CL
. In addition, the
18. The ACST2
ACST210-8x
Rg
7/13

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