Littelfuse Q8010N5TP TRIAC 800V 10A TO-263 Equivalent & Substitute Parts

Part Overview

The Littelfuse Q8010N5TP is a standard TRIAC rated for 800V off-state voltage and 10A on-state current in a surface mount TO-263 (D2PAK) package. This component is active and in production, with 991 units currently in stock. Alternative TRIAC models become necessary when application requirements demand higher current ratings, different gate sensitivity characteristics, or specific packaging formats while maintaining the 800V voltage class and D2PAK form factor.

Key Parameters

Parameter	Value
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)	50 mA
Current - Hold (Ih) (Max)	50 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

Substitution eligibility for the Q8010N5TP is determined by the following criteria:

Fixed Parameters (Non-Negotiable):

Voltage - Off State: 800 V
Package / Case: TO-263-3, D2PAK (2 Leads + Tab)
Mounting Type: Surface Mount
Configuration: Single

Variable Parameters (Allowable Ranges):

Current - On State (It (RMS)) (Max): Equal to or greater than 10 A
Voltage - Gate Trigger (Vgt) (Max): Equal to or less than 1.3 V
Current - Gate Trigger (Igt) (Max): Equal to or less than 50 mA
Current - Hold (Ih) (Max): Equal to or less than 50 mA
Operating Temperature: Must include -40°C to 125°C range
Current - Non Rep. Surge 50, 60Hz (Itsm): Equal to or greater than 100A, 120A

All substitute parts listed meet these criteria and are classified as active products with RoHS compliance.

Parameter Comparison

Parameter	Q8010N5TP (Littelfuse)	BTA216B-800B,118 (WeEn)	T1210-800G-TR (STMicroelectronics)	T1235-800G-TR (STMicroelectronics)	T2535-800G (STMicroelectronics)	T2535-800G-TR (STMicroelectronics)
Voltage - Off State	800 V	800 V	800 V	800 V	800 V	800 V
Current - On State (It (RMS)) (Max)	10 A	16 A	12 A	12 A	25 A	25 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V	1.5 V	1.3 V	1.3 V	1.3 V	1.3 V
Current - Gate Trigger (Igt) (Max)	50 mA	50 mA	10 mA	35 mA	35 mA	35 mA
Current - Hold (Ih) (Max)	50 mA	60 mA	15 mA	35 mA	50 mA	50 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	100A, 120A	140A, 150A	120A, 126A	120A, 126A	250A, 260A	250A, 260A
Operating Temperature	-40°C ~ 125°C	125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Triac Type	Standard	Standard	Logic - Sensitive Gate	Alternistor - Snubberless	Alternistor - Snubberless	Alternistor - Snubberless
Package / Case	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK
Packaging Format	Tube	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Tube	Cut Tape (CT) & Digi-Reel®
RoHS Status	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

BTA216B-800B,118 (WeEn Semiconductors): This standard TRIAC substitute provides 16A current capacity with 1.5V gate trigger voltage. It exceeds the Q8010N5TP current rating and maintains 800V voltage class compatibility. Operating temperature specification is limited to 125°C maximum without lower temperature bound documentation. Suitable for applications requiring higher current margin within the same voltage class.

T1210-800G-TR (STMicroelectronics): This logic-sensitive gate TRIAC offers 12A current capacity with reduced gate trigger current (10mA maximum). Full temperature range (-40°C to 125°C) matches the original part. Lower gate trigger requirements may reduce driver circuit complexity. Packaged in Cut Tape & Digi-Reel® format.

T1235-800G-TR (STMicroelectronics): This Snubberless™ Alternistor TRIAC provides 12A current capacity with 1.3V gate trigger voltage matching the original specification. Full temperature range support and ROHS3 compliance. Snubberless technology eliminates the need for external RC snubber networks in certain applications. Packaged in Cut Tape & Digi-Reel® format.

T2535-800G and T2535-800G-TR (STMicroelectronics): These Snubberless™ Alternistor TRIACs deliver 25A current capacity, providing significant current margin over the Q8010N5TP. Both maintain 800V voltage class, 1.3V gate trigger voltage, and full temperature range operation. T2535-800G is supplied in Tube packaging; T2535-800G-TR is supplied in Cut Tape & Digi-Reel® format. Suitable for applications requiring substantially higher current handling within the same voltage and package footprint.

All substitute parts maintain active product status and RoHS compliance, ensuring long-term availability and regulatory alignment.

Frequently Asked Questions (FAQ)

Q: Can the BTA216B-800B,118 replace the Q8010N5TP in all applications?

A: The BTA216B-800B,118 meets the core substitution criteria (800V voltage class, D2PAK package, 16A current capacity exceeds 10A requirement). However, the gate trigger voltage specification is 1.5V maximum versus 1.3V for the Q8010N5TP. Applications with marginal gate drive circuits may require evaluation. Operating temperature specification lacks a documented lower bound.

Q: What is the difference between standard TRIAC and Snubberless™ Alternistor types?

A: Standard TRIACs (Q8010N5TP, BTA216B-800B,118) typically require external RC snubber networks to suppress dV/dt-induced false triggering. Snubberless™ Alternistor TRIACs (T1235-800G-TR, T2535-800G, T2535-800G-TR) incorporate internal design features that reduce or eliminate snubber requirements, simplifying circuit design and reducing component count.

Q: What does "Logic - Sensitive Gate" mean for the T1210-800G-TR?

A: Logic-sensitive gate TRIACs feature reduced gate trigger current requirements (10mA maximum for T1210-800G-TR versus 50mA for Q8010N5TP). This characteristic allows direct gate drive from logic-level circuits without additional amplification, reducing driver complexity and power consumption.

Q: Are there packaging format differences between substitute options?

A: Yes. The Q8010N5TP is supplied in Tube format. Substitute parts are available in Tube (T2535-800G), Tape & Reel (BTA216B-800B,118), or Cut Tape & Digi-Reel® (T1210-800G-TR, T1235-800G-TR, T2535-800G-TR) formats. Packaging selection depends on production volume and assembly equipment compatibility.

Q: Can I use a higher current-rated TRIAC (T2535 series at 25A) as a direct replacement for the 10A Q8010N5TP?

A: Yes. The T2535 series maintains 800V voltage class, D2PAK package, and 1.3V gate trigger voltage specifications. Higher current rating provides additional design margin and does not create functional incompatibility. Circuit performance remains unchanged; the component simply operates at lower current utilization.

Q: What is the significance of the -40°C lower temperature bound in the Q8010N5TP specification?

A: The -40°C to 125°C operating temperature range indicates the component is rated for industrial and automotive applications requiring extended low-temperature operation. The BTA216B-800B,118 specification does not document a lower temperature bound, which may limit its use in applications requiring confirmed operation below 0°C.

Q: Are all substitute parts ROHS3 compliant?

A: The Q8010N5TP, T1210-800G-TR, T1235-800G-TR, T2535-800G, and T2535-800G-TR are ROHS3 compliant. The BTA216B-800B,118 is RoHS compliant but not specifically designated as ROHS3. Regulatory requirements for your application determine whether ROHS3 designation is mandatory.

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