ACST410-8B footprint, schematic symbol and 3D model by STMicroelectronics

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PCB Footprints

ACST410-8B - STMicroelectronics PCB footprint - Other - Other - DPAK_2025-1.9

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Part Number ACST410-8B
Manufacturer STMicroelectronics
Pin Count 3
Part Category Integrated Circuit
Package Category Other
Footprint Name Other - DPAK_2025-1.9
Released Date Dec 2, 2025
Last Modified Date Jan 8, 2026 2:31 PM UTC
Pinout / Pin List Click Here (Member Only)

ACST410-8B Details

Manufacturer Part Number:
ACST410-8B
Brand Name:
STMicroelectronics
Rohs Code:
Yes
Part Life Cycle Code:
Obsolete
Package Description:
PACKAGE-3
Pin Count:
3
ECCN Code:
EAR99
HTS Code:
8541.30.00.80
Manufacturer:
STMicroelectronics
YTEOL:
0
Configuration:
SINGLE
Critical Rate of Rise of Off-State Voltage-Min:
500 V/us
DC Gate Trigger Current-Max:
10 mA
DC Gate Trigger Voltage-Max:
1 V
Holding Current-Max:
20 mA
JESD-30 Code:
R-PSSO-G2
JESD-609 Code:
e3
Leakage Current-Max:
0.5 mA
Moisture Sensitivity Level:
1
Number of Elements:
1
Number of Terminals:
2
Operating Temperature-Max:
125 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Shape:
RECTANGULAR
Package Style:
SMALL OUTLINE
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
RMS On-state Current-Max:
4 A
Repetitive Peak Off-state Voltage:
800 V
Surface Mount:
YES
Terminal Finish:
MATTE TIN
Terminal Form:
GULL WING
Terminal Position:
SINGLE
Time@Peak Reflow Temperature-Max (s):
30
Trigger Device Type:
TRIAC

ACST410-8B Frequently Asked Questions (FAQs)

A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. The device should be placed near a thermal pad or a heat sink to ensure efficient heat dissipation.
Ensure proper heat sinking, use a thermal interface material (TIM) with a thermal conductivity of at least 1 W/m-K, and consider using a heat sink with a thermal resistance of less than 10°C/W.
The maximum allowed voltage on the output pins is 5.5V, which is the absolute maximum rating. Operating the device above this voltage may cause permanent damage.
Yes, but ensure the device is properly sealed or coated to prevent moisture ingress. The device is rated for operation in environments with relative humidity up to 60% at 40°C.
Check the input voltage, output load, and PCB layout for any issues. Verify that the device is properly configured and that the output capacitors are of sufficient value and type.

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ACST410-8B Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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