ACTT8B-800C0J TRIAC Equivalent & Substitute Parts

Part Overview

The ACTT8B-800C0J is a standard TRIAC manufactured by WeEn Semiconductors, rated for 800V off-state voltage and 8A on-state current in a surface mount D2PAK package. This component is designed for AC switching and power control applications requiring reliable thyristor performance at moderate voltage and current levels. The part maintains Active product status with 686 units in current inventory.

Equivalent and substitute parts are identified based on matching electrical specifications and mechanical compatibility, enabling procurement flexibility and supply chain continuity when the primary part becomes unavailable or when alternative sourcing is required.

Substiute Parts

ACTT8B-800C0J

WeEn SemiconductorsIn Stock: 760ACTT8B-800C0J Datasheet

Current PartRFQ

ACST830-8GTR

STMicroelectronicsIn Stock: 1350ACST830-8GTR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ACTT8B-800C0J is determined by the following critical parameters:

• Voltage - Off State: 800V minimum
• Current - On State (It (RMS)): 8A minimum
• Voltage - Gate Trigger (Vgt): 1V maximum
• Current - Gate Trigger (Igt): 30mA maximum
• Current - Hold (Ih): 35mA maximum
• Package / Case: TO-263-3, D2PAK (2 Leads + Tab)
• Mounting Type: Surface Mount
• Configuration: Single TRIAC

The ACST830-8GTR from STMicroelectronics meets all electrical and mechanical compatibility criteria, with identical voltage and current ratings, matching gate trigger specifications, and identical D2PAK packaging. This part qualifies as a direct functional equivalent.

Parameter Comparison

Engineering Selection Recommendations

The ACST830-8GTR qualifies as a functional equivalent to the ACTT8B-800C0J based on matching electrical ratings and identical D2PAK packaging. Both parts are Active status components suitable for direct substitution in circuit applications.

The ACST830-8GTR provides additional compliance advantages, including documented ROHS3 compliance and REACH Unaffected status, which may be required for certain end-use applications or regional markets. The extended operating temperature range (-40°C to 125°C) of the ACST830-8GTR provides broader thermal operating capability compared to the ACTT8B-800C0J specification of 125°C maximum.

The Current - Hold (Ih) specification of the ACST830-8GTR is 30mA, which is lower than the ACTT8B-800C0J maximum of 35mA. This represents a tighter specification and does not prevent substitution in applications designed for the original part.

Frequently Asked Questions (FAQ)

Q: Can the ACST830-8GTR replace the ACTT8B-800C0J in existing designs?

A: Yes. Both parts share identical voltage ratings (800V off-state), current ratings (8A on-state), gate trigger specifications (1V maximum Vgt, 30mA maximum Igt), and D2PAK packaging. The electrical and mechanical compatibility is complete.

Q: What is the difference in Current - Hold (Ih) between these parts?

A: The ACTT8B-800C0J specifies a maximum Ih of 35mA, while the ACST830-8GTR specifies 30mA. The lower specification of the substitute part represents a tighter tolerance and does not create compatibility issues in applications designed for the original part.

Q: Does the ACST830-8GTR have a different operating temperature range?

A: The ACST830-8GTR operates from -40°C to 125°C, providing an extended lower temperature limit compared to the ACTT8B-800C0J specification of 125°C maximum. This extended range increases design flexibility for applications requiring operation at lower ambient temperatures.

Q: Are there packaging differences between these parts?

A: No. Both parts use identical TO-263-3 D2PAK (2 Leads + Tab) surface mount packaging. PCB layout and thermal management considerations remain unchanged during substitution.

Q: What compliance certifications does the ACST830-8GTR provide?

A: The ACST830-8GTR is ROHS3 compliant and REACH Unaffected. These certifications may be required for applications subject to environmental or regional regulatory requirements.