Product overview
Description
The ACST4 series belongs to the ACS / ACST power switch family. This high performance device is suited to home appliances or industrial systems and drives loads up to 4 A.
This ACST4 switch embeds a Triac structure with a high voltage clamping device to absorb the inductive turn-off energy and withstand line transients such as those described in the IEC 61000-4-5 standards. The ACST410 needs a low gate current to be activated (IGT < 10 mA) and still shows a high electrical noise immunity complying with IEC standards such as IEC 61000-4-4 (fast transient burst test).
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All features
- Triac with overvoltage protection
- Low IGT (<10 mA) or high immunity (IGT < 35 mA) version
- High noise immunity: static dV/dt > 1000 V/μs
- TO-220FPAB insulated package:
- complies with UL standards (File ref : E81734)
- insulation voltage: 2000 VRMS
- Benefits:
- Enables equipment to meet IEC 61000-4-5
- High off-state reliability with planar technology
- Needs no external overvoltage protection
- Reduces the power passive component count
- High immunity against fast transients described in IEC 61000-4-4 standards
Circuit Diagram
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All resources
Resource title | Version | Latest update |
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SPICE models (1)
Resource title | Version | Latest update | ||
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ZIP | 7.0 | 06 Jun 2023 | 06 Jun 2023 |
Quality and Reliability
Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
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ACST410-8BTR | Active | DPAK | Industrial | Ecopack2 | |
ACST410-8FP | Active | TO-220FPAB | Industrial | Ecopack2 | |
ACST435-8B | Active | DPAK | Industrial | Ecopack2 | |
ACST435-8BTR | Active | DPAK | Industrial | Ecopack2 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | Rising Ratio Of Off Voltage (V/µs) (min) (@ TJ(max)) | Rate of decrease of commutating on-state current (A/ms) (min) (@ TJ(max)) | Triggering gate current max (mA) (I, II, III) | ||
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ACST435-8BTR | | | distributors No availability of distributors reported, please contact our sales office |
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ACST410-8BTR | | | distributors No availability of distributors reported, please contact our sales office |
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ACST435-8B | | | distributors No availability of distributors reported, please contact our sales office |
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ACST410-8FP | | | distributors No availability of distributors reported, please contact our sales office |
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ACST435-8BTR Active
ACST410-8BTR Active
ACST435-8B Active
ACST410-8FP Active
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors