Q2015L6 Equivalent & Substitute Parts

Part Overview

The Q2015L6 is a standard TRIAC manufactured by Littelfuse Inc., rated for 200V off-state voltage and 15A on-state current in a TO-220 isolated tab package. This component is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. The part is ROHS3 compliant and carries unlimited moisture sensitivity rating (MSL 1).

Key Parameters

Parameter	Value
Manufacturer Part Number	Q2015L6
Manufacturer	Littelfuse Inc.
Category	Thyristors
Triac Type	Standard
Voltage - Off State	200 V
Current - On State (It (RMS)) (Max)	15 A
Voltage - Gate Trigger (Vgt) (Max)	2 V
Current - Gate Trigger (Igt) (Max)	50 mA
Current - Hold (Ih) (Max)	70 mA
Mounting Type	Through Hole
Package / Case	TO-220-3 Isolated Tab
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

The BTA16-600BWRG from STMicroelectronics qualifies as a substitute based on the following substitution criteria:

Allowed Substitution Parameters:

Mounting Type: Both parts use Through Hole mounting
Package / Case: Both parts use TO-220 package format
Configuration: Both are single-configuration TRIACs
RoHS Status: Both are ROHS3 compliant
Moisture Sensitivity Level: Both have MSL 1 (Unlimited)
ECCN Classification: Both are EAR99

Electrical Compatibility Considerations: The BTA16-600BWRG operates at higher voltage (600V off-state) and current (16A on-state) ratings compared to the Q2015L6 (200V, 15A). This represents an uprated substitute suitable for applications where the Q2015L6 specifications are met or exceeded by the substitute's ratings. The gate trigger voltage (Vgt) of the BTA16-600BWRG is lower (1.3V vs. 2V), and the hold current (Ih) is lower (50mA vs. 70mA), both favorable characteristics for gate drive circuit compatibility.

Parameter Comparison

Parameter	Q2015L6 (Littelfuse)	BTA16-600BWRG (STMicroelectronics)
Triac Type	Standard	Alternistor - Snubberless
Voltage - Off State	200 V	600 V
Current - On State (It (RMS)) (Max)	15 A	16 A
Voltage - Gate Trigger (Vgt) (Max)	2 V	1.3 V
Current - Gate Trigger (Igt) (Max)	50 mA	50 mA
Current - Hold (Ih) (Max)	70 mA	50 mA
Mounting Type	Through Hole	Through Hole
Package / Case	TO-220-3 Isolated Tab	TO-220-3
Product Status	Obsolete	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Operating Temperature	Not specified	-40°C ~ 125°C (TJ)

Engineering Selection Recommendations

The BTA16-600BWRG is suitable as a substitute for the Q2015L6 based on the following factors:

Product Status: The Q2015L6 is obsolete, while the BTA16-600BWRG is active and widely available in production quantities (55,300 pcs in stock vs. 886 pcs for the original part).

Compliance: Both parts meet ROHS3 requirements and carry EAR99 ECCN classification, ensuring regulatory compatibility for equivalent applications.

Package Compatibility: Both components use TO-220 through-hole packages, enabling direct PCB footprint compatibility without layout modifications.

Electrical Ratings: The BTA16-600BWRG provides higher voltage and current ratings, making it suitable for applications operating within or below the Q2015L6 specifications. The lower gate trigger voltage and hold current of the BTA16-600BWRG may require verification of gate drive circuit compatibility in existing designs.

Frequently Asked Questions (FAQ)

Q: Can the BTA16-600BWRG directly replace the Q2015L6 on existing PCBs?

A: Yes, from a mechanical and package perspective. Both components use TO-220-3 through-hole packages with identical pin configurations and footprints. However, the electrical characteristics differ; the substitute has higher voltage and current ratings and lower gate trigger parameters. Verify that your gate drive circuit and application voltage requirements are compatible with the BTA16-600BWRG specifications.

Q: What is the primary reason for substitution?

A: The Q2015L6 is obsolete. The BTA16-600BWRG is an active product with consistent availability, making it the recommended substitute for new designs and production continuity.

Q: Are there any compliance concerns with using the BTA16-600BWRG as a substitute?

A: No. Both parts are ROHS3 compliant, carry the same ECCN classification (EAR99), and have identical moisture sensitivity levels (MSL 1). Regulatory and environmental compliance requirements are maintained.

Q: How do the gate trigger characteristics compare?

A: The BTA16-600BWRG has a lower maximum gate trigger voltage (1.3V vs. 2V) and lower hold current (50mA vs. 70mA). Both parts share the same maximum gate trigger current (50mA). These differences may affect gate drive circuit design; verify compatibility with your existing control circuitry.

Q: What is the difference between "Standard" and "Alternistor - Snubberless" TRIAC types?

A: The Q2015L6 is a standard TRIAC, while the BTA16-600BWRG is an Alternistor with snubberless technology. This indicates different internal construction and performance characteristics. Consult device datasheets for detailed switching behavior and EMI performance differences relevant to your application.

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