Q2016LH6 Equivalent & Substitute Parts

Part Overview

The Q2016LH6 is a Snubberless Alternistor TRIAC manufactured by Littelfuse Inc., rated for 200 V off-state voltage and 16 A on-state current in a TO-220 Isolated Tab package. This component is classified as Obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations. The part operates across a temperature range of -40°C to 125°C and is RoHS3 compliant.

Substiute Parts

Q2016LH6

Littelfuse Inc.In Stock: 804Q2016LH6 Datasheet

Current PartRFQ

BTA216X-600B,127

WeEn SemiconductorsIn Stock: 933BTA216X-600B,127 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Q2016LH6 is determined by the following critical parameters:

• Voltage Rating (Off State): The substitute must support the application's voltage requirements. The Q2016LH6 operates at 200 V; substitutes rated at higher voltages (such as 600 V) are electrically compatible in applications designed for 200 V operation.
• Current Rating (On State): The substitute must match or exceed the 16 A on-state current requirement to maintain equivalent load-handling capability.
• Gate Trigger Characteristics: Vgt and Igt parameters determine gate drive requirements; substitutes with comparable or lower trigger thresholds ensure compatibility with existing gate drive circuits.
• Package and Mounting: TO-220 Isolated Tab packaging ensures mechanical and thermal interface compatibility with existing PCB layouts and heatsinking arrangements.
• Temperature Range: Operating temperature specifications must encompass the application's thermal environment.

The BTA216X-600B,127 qualifies as a substitute based on matching current rating (16 A), compatible gate trigger parameters, identical package type (TO-220 Isolated Tab), and overlapping temperature range.

Parameter Comparison

Engineering Selection Recommendations

The BTA216X-600B,127 is an active product from WeEn Semiconductors and represents the primary substitute for the obsolete Q2016LH6. Selection is based on the following factors:

• Current Rating Match: Both parts are rated for 16 A on-state current, ensuring equivalent load capacity.
• Package Compatibility: Both use TO-220 Isolated Tab packaging, permitting direct mechanical substitution in existing designs.
• Voltage Derating: The BTA216X-600B,127 is rated for 600 V off-state voltage, which exceeds the Q2016LH6's 200 V rating. In applications operating at 200 V or below, this higher rating provides additional safety margin without functional compromise.
• Gate Drive Compatibility: The substitute's gate trigger voltage (1.5 V max) and gate trigger current (50 mA max) are within acceptable ranges for circuits designed for the original part's specifications (1.3 V and 80 mA respectively).
• Compliance Status: The BTA216X-600B,127 is RoHS compliant and currently in active production, ensuring long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the BTA216X-600B,127 directly replace the Q2016LH6 in existing designs?

A: Yes, for applications operating at 200 V or below. The substitute matches the on-state current rating (16 A) and uses the same TO-220 Isolated Tab package. The higher voltage rating (600 V) does not prevent substitution in lower-voltage applications.

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

A: The Q2016LH6 is classified as a Snubberless Alternistor, while the BTA216X-600B,127 is a Standard TRIAC. Both are functionally equivalent for switching applications; the classification reflects internal design differences that do not affect substitution compatibility when electrical parameters match.

Q: Are the gate trigger parameters compatible?

A: Yes. The Q2016LH6 specifies Vgt (max) of 1.3 V and Igt (max) of 80 mA. The BTA216X-600B,127 specifies Vgt (max) of 1.5 V and Igt (max) of 50 mA. Gate drive circuits designed for the original part will operate the substitute within specification.

Q: Does the operating temperature range differ?

A: The Q2016LH6 specifies -40°C to 125°C, while the BTA216X-600B,127 specifies 125°C maximum. For applications requiring operation below ambient temperature, verify that the substitute's temperature range meets system requirements.

Q: What is the significance of the TO-220F package designation for the substitute?

A: The BTA216X-600B,127 uses TO-220F (Full Pack, Isolated Tab) packaging, which is mechanically and thermally compatible with the Q2016LH6's TO-220 Isolated Tab package. Both support identical mounting and heatsinking configurations.