Q6008N5TP TRIAC 600V 8A TO-263 Equivalent & Substitute Parts

Part Overview

The Q6008N5TP is a standard TRIAC manufactured by Littelfuse Inc., rated for 600V off-state voltage and 8A on-state current in a surface mount TO-263 (D2PAK) package. This component is active and in production, with 837 units currently in stock. The part is ROHS3 compliant and carries unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified based on matching or exceeding the electrical performance parameters while maintaining compatibility with the TO-263 D2PAK package footprint. Substitutes may offer enhanced performance characteristics such as higher current ratings, improved gate trigger specifications, or extended operating temperature ranges.

Key Parameters

Parameter	Q6008N5TP
Voltage - Off State	600 V
Current - On State (It RMS) Max	8 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)	83A / 100A
Operating Temperature Range	-40°C to 125°C (TJ)
Package / Case	TO-263-3, D2PAK (2 Leads + Tab)
Mounting Type	Surface Mount
Configuration	Single
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Mandatory Compatibility Requirements:

Voltage - Off State: 600V (exact match required)
Package / Case: TO-263-3, D2PAK (2 Leads + Tab) (exact match required)
Mounting Type: Surface Mount (exact match required)
Configuration: Single (exact match required)

Performance Parameters (Equal or Exceeding):

Current - On State (It RMS) Max: ≥ 8A
Voltage - Gate Trigger (Vgt) Max: ≤ 1.3V (lower is acceptable)
Current - Gate Trigger (Igt) Max: ≤ 50mA (lower is acceptable)
Current - Hold (Ih) Max: ≤ 50mA (lower is acceptable)
Current - Non Rep. Surge (Itsm): ≥ 83A / 100A (higher is acceptable)

Compliance Requirements:

RoHS Status: ROHS3 Compliant (required)
MSL: 1 (Unlimited) (required)

All substitute parts listed meet these criteria and are functionally interchangeable with the Q6008N5TP in applications requiring 600V, 8A minimum TRIAC performance in D2PAK surface mount configuration.

Parameter Comparison

Part Number	Manufacturer	Triac Type	Voltage - Off State	Current - On State (It RMS) Max	Voltage - Gate Trigger (Vgt) Max	Current - Gate Trigger (Igt) Max	Current - Hold (Ih) Max	Current - Non Rep. Surge 50/60Hz (Itsm)	Operating Temperature	Package	RoHS Status
Q6008N5TP	Littelfuse Inc.	Standard	600 V	8 A	1.3 V	50 mA	50 mA	83A / 100A	-40°C to 125°C	TO-263-3, D2PAK	ROHS3
BTA312B-600B,118	WeEn Semiconductors	Standard	600 V	12 A	1.5 V	50 mA	60 mA	95A / 105A	-40°C to 125°C	TO-263-3, D2PAK	ROHS3
T1050H-6G	STMicroelectronics	Alternistor - Snubberless	600 V	10 A	1 V	50 mA	75 mA	100A / 105A	-40°C to 150°C	TO-263-3, D2PAK	ROHS3
T1050H-6G-TR	STMicroelectronics	Alternistor - Snubberless	600 V	10 A	1 V	50 mA	75 mA	100A / 105A	-40°C to 150°C	TO-263-3, D2PAK	ROHS3
T1235-600G	STMicroelectronics	Alternistor - Snubberless	600 V	12 A	1.3 V	35 mA	35 mA	120A / 126A	-40°C to 125°C	TO-263-3, D2PAK	ROHS3
T1235-600G-TR	STMicroelectronics	Alternistor - Snubberless	600 V	12 A	1.3 V	35 mA	35 mA	120A / 126A	-40°C to 125°C	TO-263-3, D2PAK	ROHS3
T1235H-6G-TR	STMicroelectronics	Alternistor - Snubberless	600 V	12 A	1 V	35 mA	35 mA	120A / 126A	-40°C to 150°C	TO-263-3, D2PAK	ROHS3
T1250H-6G	STMicroelectronics	Alternistor - Snubberless	600 V	12 A	1 V	50 mA	75 mA	120A / 126A	-40°C to 150°C	TO-263-3, D2PAK	ROHS3
T1250H-6G-TR	STMicroelectronics	Alternistor - Snubberless	600 V	12 A	1 V	50 mA	75 mA	120A / 126A	-40°C to 150°C	TO-263-3, D2PAK	ROHS3
T1635-600G	STMicroelectronics	Alternistor - Snubberless	600 V	16 A	1.3 V	35 mA	35 mA	160A / 168A	-40°C to 125°C	TO-263-3, D2PAK	ROHS3
T1635-600G-TR	STMicroelectronics	Alternistor - Snubberless	600 V	16 A	1.3 V	35 mA	35 mA	160A / 168A	-40°C to 125°C	TO-263-3, D2PAK	ROHS3

Engineering Selection Recommendations

All listed substitute parts are ROHS3 compliant and carry MSL 1 (Unlimited) rating, matching the compliance profile of the Q6008N5TP. All parts are active products in production status.

Standard TRIAC Substitutes: BTA312B-600B,118 (WeEn Semiconductors) is a standard TRIAC with 12A current rating, providing direct functional substitution with higher current capacity. This part maintains the same voltage and package specifications as the Q6008N5TP.

Alternistor - Snubberless TRIAC Substitutes: STMicroelectronics Snubberless™ series parts (T1050H-6G, T1050H-6G-TR, T1235-600G, T1235-600G-TR, T1235H-6G-TR, T1250H-6G, T1250H-6G-TR, T1635-600G, T1635-600G-TR) offer enhanced performance characteristics. These parts feature lower gate trigger voltage specifications and higher surge current ratings compared to the Q6008N5TP. Extended operating temperature range to 150°C is available in selected variants (T1050H-6G, T1235H-6G-TR, T1250H-6G, T1250H-6G-TR).

Packaging Variants: Tube packaging is available for T1050H-6G, T1235-600G, T1250H-6G, and T1635-600G. Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR) packaging options are available for multiple part numbers, accommodating different procurement and assembly workflows.

Frequently Asked Questions (FAQ)

Q: Can I use a higher current-rated TRIAC as a substitute for the Q6008N5TP? A: Yes. Substitute TRIACs with current ratings of 10A, 12A, or 16A are functionally compatible with the Q6008N5TP in applications requiring 8A minimum performance. The higher current rating provides design margin and does not compromise circuit operation when the application current demand remains at or below 8A.

Q: What is the difference between Standard TRIAC and Alternistor - Snubberless TRIAC types? A: Both types are functionally compatible in the TO-263 D2PAK package at 600V. Alternistor - Snubberless TRIACs feature optimized gate trigger characteristics and higher surge current ratings. The selection between types depends on application-specific requirements for gate drive circuitry and transient performance.

Q: Are all substitute parts pin-compatible with the Q6008N5TP? A: Yes. All substitute parts use the TO-263-3 D2PAK (2 Leads + Tab) package with identical pinout and footprint compatibility. Direct board-level substitution is supported without layout modifications.

Q: What is the significance of the "-TR" suffix in part numbers? A: The "-TR" suffix indicates Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® packaging, suitable for automated assembly processes. Parts without this suffix are supplied in Tube packaging for manual handling or lower-volume applications. Electrical specifications remain identical regardless of packaging format.

Q: Can I substitute a part with a lower gate trigger voltage (Vgt)? A: Yes. Lower gate trigger voltage specifications (1.0V versus 1.3V) indicate improved gate sensitivity and are functionally compatible. This may reduce gate drive circuit complexity in some applications.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) rating, matching the environmental and regulatory compliance of the Q6008N5TP.

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