ACST2-8SB-TR footprint, schematic symbol and 3D model by STMicroelectronics

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PCB Footprints

ACST2-8SB-TR - STMicroelectronics PCB footprint - Other - Other - DPAK_2025-1.3

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Part Number ACST2-8SB-TR
Manufacturer STMicroelectronics
Pin Count 3
Part Category Integrated Circuit
Package Category Other
Footprint Name Other - DPAK_2025-1.3
Released Date Dec 2, 2025
Last Modified Date Jan 8, 2026 2:31 PM UTC
Pinout / Pin List Click Here (Member Only)

ACST2-8SB-TR Details

Manufacturer Part Number:
ACST2-8SB-TR
Brand Name:
STMicroelectronics
Rohs Code:
Yes
Part Life Cycle Code:
Obsolete
Part Package Code:
TO-252
Package Description:
DPAK-3
Pin Count:
3
ECCN Code:
EAR99
HTS Code:
8541.30.00.80
Manufacturer:
STMicroelectronics
YTEOL:
0
Case Connection:
MAIN TERMINAL 2
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:
1.1 V
Holding Current-Max:
10 mA
JESD-30 Code:
R-PDSO-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:
2 A
Repetitive Peak Off-state Voltage:
800 V
Surface Mount:
YES
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
GULL WING
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Trigger Device Type:
SNUBBERLESS TRIAC

ACST2-8SB-TR Frequently Asked Questions (FAQs)

STMicroelectronics recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended.
To ensure reliable operation in high-temperature environments, it's essential to follow the recommended operating temperature range (-40°C to 150°C) and consider derating the device's power dissipation accordingly. Additionally, ensure good thermal management and avoid overheating the device.
The maximum allowable voltage on the input pins is 5.5V, which is the absolute maximum rating. However, for reliable operation, it's recommended to keep the input voltage within the recommended operating range of 4.5V to 5.5V.
The ACST2-8SB-TR has built-in ESD protection, but it's still essential to follow proper ESD handling procedures during assembly and testing. Use ESD-safe materials, wrist straps, and mats to prevent damage to the device.
STMicroelectronics recommends storing the ACST2-8SB-TR in a dry, cool place with a temperature range of -40°C to 30°C and relative humidity below 60%. Avoid exposing the device to moisture, direct sunlight, or extreme temperatures.

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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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