Q8010N4TP TRIAC 800V 10A Equivalent & Substitute Parts

Part Overview

The Q8010N4TP is a standard TRIAC manufactured by Littelfuse Inc., rated for 800V off-state voltage and 10A on-state current in a surface mount D2PAK (TO-263) package. This component is actively produced and RoHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications and package compatibility to support design flexibility, inventory management, and supply chain continuity.

Key Parameters

Parameter	Q8010N4TP
Voltage - Off State	800 V
Current - On State (It (RMS)) (Max)	10 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V
Current - Gate Trigger (Igt) (Max)	25 mA
Current - Hold (Ih) (Max)	35 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	100A, 120A
Operating Temperature	-40°C ~ 125°C (TJ)
Package / Case	TO-263-3, D2PAK (2 Leads + Tab)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the Q8010N4TP are selected based on the following criteria:

Voltage Rating: All substitutes maintain 800V off-state voltage to ensure compatibility in the same circuit topology
Package Compatibility: All substitutes use D2PAK (TO-263) surface mount package for direct PCB footprint compatibility
Operating Temperature Range: Substitutes support the -40°C to 125°C operating range or equivalent
Configuration: All parts are single-channel TRIACs with identical lead configuration
Compliance: All substitutes are RoHS3 compliant and meet the same regulatory requirements

Substitutes are grouped by current rating and TRIAC type (Standard, Logic - Sensitive Gate, or Alternistor - Snubberless), as these characteristics determine functional behavior in specific applications while maintaining electrical compatibility at the 800V rating.

Parameter Comparison

Part Number	Manufacturer	Triac Type	Voltage - Off State	Current - On State (Max)	Vgt (Max)	Igt (Max)	Ih (Max)	Itsm (50/60Hz)	Operating Temp	Package
Q8010N4TP	Littelfuse Inc.	Standard	800 V	10 A	1.3 V	25 mA	35 mA	100A, 120A	-40°C ~ 125°C	D2PAK
ACST610-8G	STMicroelectronics	Logic - Sensitive Gate	800 V	6 A	1 V	10 mA	25 mA	45A, 47A	-40°C ~ 125°C	D2PAK
ACST610-8GTR	STMicroelectronics	Logic - Sensitive Gate	800 V	6 A	1 V	10 mA	25 mA	45A, 47A	-40°C ~ 125°C	D2PAK
BTA316B-800C,118	WeEn Semiconductors	Standard	800 V	16 A	1.5 V	35 mA	35 mA	140A, 150A	-40°C ~ 125°C	D2PAK
T1210-800G-TR	STMicroelectronics	Logic - Sensitive Gate	800 V	12 A	1.3 V	10 mA	15 mA	120A, 126A	-40°C ~ 125°C	D2PAK
T1235-800G-TR	STMicroelectronics	Alternistor - Snubberless	800 V	12 A	1.3 V	35 mA	35 mA	120A, 126A	-40°C ~ 125°C	D2PAK
T2535-800G	STMicroelectronics	Alternistor - Snubberless	800 V	25 A	1.3 V	35 mA	50 mA	250A, 260A	-40°C ~ 125°C	D2PAK

Engineering Selection Recommendations

Direct Substitutes (Equivalent Current Rating)

T1210-800G-TR provides the closest functional match to Q8010N4TP with 12A on-state current, maintaining 800V voltage rating and D2PAK package. Both parts support -40°C to 125°C operating range and are RoHS3 compliant. The T1210-800G-TR is a Logic - Sensitive Gate type with lower gate trigger current (10 mA vs. 25 mA), suitable for applications requiring reduced gate drive power.

Higher Current Capacity Substitutes

BTA316B-800C,118 and T2535-800G provide increased current handling (16A and 25A respectively) while maintaining 800V rating and D2PAK compatibility. These parts support higher surge currents and are suitable for applications requiring additional thermal margin or higher load capacity. BTA316B-800C,118 is a Standard TRIAC; T2535-800G is an Alternistor - Snubberless type.

Lower Current Capacity Substitutes

ACST610-8G and ACST610-8GTR are rated for 6A on-state current with sensitive gate characteristics (1V Vgt, 10 mA Igt). These parts are suitable for low-power applications and are available in both tube and cut tape packaging options. Both maintain 800V rating and D2PAK package compatibility.

All substitute parts are actively produced, RoHS3 compliant, and maintain the same MSL rating (1 - Unlimited) as the Q8010N4TP.

Frequently Asked Questions (FAQ)

Q: Can ACST610-8G replace Q8010N4TP in all applications?

A: ACST610-8G has a lower on-state current rating (6A vs. 10A) and different gate characteristics (Logic - Sensitive Gate vs. Standard). It is suitable only for applications where the load current does not exceed 6A. The sensitive gate type requires lower gate drive current, which may affect circuit design.

Q: What is the difference between Standard and Logic - Sensitive Gate TRIAC types?

A: Standard TRIACs (Q8010N4TP, BTA316B-800C,118) require higher gate trigger current and voltage for reliable switching. Logic - Sensitive Gate types (ACST610-8G, T1210-800G-TR) are optimized for lower gate drive power, reducing driver circuit complexity and power consumption.

Q: Are Alternistor - Snubberless TRIACs (T1235-800G-TR, T2535-800G) compatible with Q8010N4TP?

A: Alternistor - Snubberless types maintain 800V rating and D2PAK package compatibility. They are designed to reduce EMI and eliminate the need for external snubber circuits in AC switching applications. Electrical parameters differ; verify gate trigger characteristics and surge current ratings for your specific application requirements.

Q: What is the significance of packaging options (Tube vs. Cut Tape & Digi-Reel)?

A: Tube packaging is suitable for manual assembly and lower-volume production. Cut Tape & Digi-Reel packaging is optimized for automated pick-and-place assembly and higher-volume manufacturing. Electrical specifications remain identical; packaging choice depends on assembly process requirements.

Q: Can I use BTA316B-800C,118 (16A) as a direct replacement for Q8010N4TP (10A)?

A: Yes, BTA316B-800C,118 is electrically compatible with higher current capacity. It maintains 800V rating, D2PAK package, and -40°C to 125°C operating range. The higher current rating provides additional design margin and thermal headroom. Verify that gate trigger voltage (1.5V vs. 1.3V) is compatible with your gate drive circuit.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed substitute parts are RoHS3 compliant and meet the same regulatory requirements as Q8010N4TP. MSL rating is 1 (Unlimited) for all parts, indicating no moisture sensitivity constraints during storage and handling.

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