ACST410-8B
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STMicroelectronics ACST410-8B

Manufacturer No:
ACST410-8B
Manufacturer:
STMicroelectronics
Package:
Tube
Description:
TRIAC SENS GATE 800V 4A DPAK
Delivery:
Payment:
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Product Introduction

Overview

The ACST410-8B is a high-performance AC switch from STMicroelectronics, part of the ACST4 series. This device is designed for high-current switching applications and is suitable for use in home appliances and industrial systems. It features a Triac structure with integrated overvoltage protection, making it robust against line transients and electrical noise. The ACST410-8B operates with a low gate current requirement of less than 10 mA and offers high noise immunity, complying with various IEC standards such as IEC 61000-4-4 and IEC 61000-4-5.

Key Specifications

Parameter Value Unit
On-state RMS Current (IT RMS) 4 A
Rated Repetitive Off State Voltage (VDRM/VRRM) 800 V
Gate Trigger Current (IGT) 10 mA
Gate Trigger Voltage (VGT) 1 V
Holding Current (IH Max) 20 mA
Off State Leakage Current @ VDRM (IDRM) 40 mA
Operating Junction Temperature Range (Tj) -40 to +125 °C
Insulation RMS Voltage (Vins) 2000 V
Package/Case DPAK, TO-220FPAB

Key Features

  • Triac with integrated overvoltage protection
  • Low gate trigger current (IGT < 10 mA)
  • High noise immunity: static dV/dt > 500 V/μs
  • TO-220FPAB insulated package complying with UL standards (File ref: E81734) and insulation voltage of 2000 V RMS
  • High off-state reliability with planar technology
  • No need for external overvoltage protection
  • Reduces the power passive component count
  • High immunity against fast transients described in IEC 61000-4-4 standards

Applications

  • AC mains static switching in appliance and industrial control systems
  • Drive of medium power AC loads such as universal drum motors in washing machines and compressors in refrigerators or air conditioners

Q & A

  1. What is the ACST410-8B used for?

    The ACST410-8B is used for high-current switching applications in home appliances and industrial systems, particularly for AC mains static switching and driving medium power AC loads.

  2. What are the key specifications of the ACST410-8B?

    The key specifications include an on-state RMS current of 4 A, a rated repetitive off-state voltage of 800 V, a gate trigger current of 10 mA, and an operating junction temperature range of -40 to +125 °C.

  3. What type of package does the ACST410-8B come in?

    The ACST410-8B is available in DPAK and TO-220FPAB packages.

  4. Does the ACST410-8B require external overvoltage protection?

    No, the ACST410-8B does not require external overvoltage protection due to its integrated overvoltage protection feature.

  5. What are the benefits of using the ACST410-8B?

    The benefits include high off-state reliability, reduced power passive component count, and high immunity against fast transients, enabling equipment to meet IEC 61000-4-5 standards.

  6. What is the insulation voltage of the TO-220FPAB package?

    The insulation voltage of the TO-220FPAB package is 2000 V RMS.

  7. How does the ACST410-8B comply with IEC standards?

    The ACST410-8B complies with IEC standards such as IEC 61000-4-4 (fast transient burst test) and IEC 61000-4-5 (line transients).

  8. What is the storage temperature range for the ACST410-8B?

    The storage temperature range is -40 to +150 °C.

  9. What is the maximum lead temperature for soldering?

    The maximum lead temperature for soldering is 260 °C for 10 seconds at 3 mm from the plastic case.

  10. How does the ACST410-8B reduce component count?

    The ACST410-8B reduces the power passive component count by integrating overvoltage protection and other necessary features into a single device.

Product Attributes

Triac Type:Logic - Sensitive Gate
Voltage - Off State:800 V
Current - On State (It (RMS)) (Max):4 A
Voltage - Gate Trigger (Vgt) (Max):1 V
Current - Non Rep. Surge 50, 60Hz (Itsm):30A, 32A
Current - Gate Trigger (Igt) (Max):10 mA
Current - Hold (Ih) (Max):20 mA
Configuration:Single
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:DPAK
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Similar Products

Part Number ACST410-8B ACST210-8B ACST310-8B
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Obsolete Active Active
Triac Type Logic - Sensitive Gate Logic - Sensitive Gate Logic - Sensitive Gate
Voltage - Off State 800 V 800 V 800 V
Current - On State (It (RMS)) (Max) 4 A 2 A 3 A
Voltage - Gate Trigger (Vgt) (Max) 1 V 1.1 V 1.1 V
Current - Non Rep. Surge 50, 60Hz (Itsm) 30A, 32A 8A, 8.4A 20A, 21A
Current - Gate Trigger (Igt) (Max) 10 mA 10 mA 10 mA
Current - Hold (Ih) (Max) 20 mA 10 mA 20 mA
Configuration Single Single Single
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63 TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package DPAK DPAK DPAK

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