Q2016RH6 Equivalent & Substitute Parts

Part Overview

The Q2016RH6 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 through-hole package. This component is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations. The Alternistor design provides inherent snubberless operation, distinguishing it from standard TRIAC configurations.

Substiute Parts

Q2016RH6

Littelfuse Inc.In Stock: 792Q2016RH6 Datasheet

Current PartRFQ

BTA216-600B,127

WeEn SemiconductorsIn Stock: 840BTA216-600B,127 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Q2016RH6 is constrained by the following critical parameters:

• Voltage Rating: The substitute must support at least 200 V off-state voltage. Higher voltage ratings provide design margin and are acceptable.
• Current Rating: The substitute must support at least 16 A on-state current (RMS).
• Package Type: TO-220-3 through-hole configuration is required for mechanical and thermal compatibility.
• Gate Trigger Parameters: Vgt (Max) and Igt (Max) must be compatible with existing gate drive circuitry.
• Hold Current: Ih (Max) must not exceed circuit requirements.
• Temperature Range: Operating temperature capability must encompass the application range.

The BTA216-600B,127 qualifies as a substitute based on these parameters: it maintains the 16 A current rating, exceeds the 200 V voltage requirement at 600 V, uses the same TO-220-3 package, and operates within the required temperature range. The substitute is a Standard TRIAC rather than an Alternistor, representing a functional alternative with different internal characteristics.

Parameter Comparison

Engineering Selection Recommendations

The BTA216-600B,127 is an active product from WeEn Semiconductors with current manufacturing support and RoHS compliance, addressing the obsolescence status of the Q2016RH6. The substitute maintains electrical compatibility in current and package form factor. The higher voltage rating (600 V vs. 200 V) provides additional design margin without compromising application performance in circuits designed for 200 V operation.

Gate trigger parameters differ slightly: Vgt increases from 1.3 V to 1.5 V maximum, and Igt decreases from 80 mA to 50 mA maximum. These variations fall within typical gate drive circuit tolerances for standard applications. Hold current (Ih) decreases from 70 mA to 60 mA, which is favorable for circuit stability.

The operating temperature specification for the substitute lists 125°C (TJ) without explicit lower bound; verify lower temperature performance requirements against application specifications if operation below 0°C is required.

Frequently Asked Questions (FAQ)

Q: Can the BTA216-600B,127 directly replace the Q2016RH6 in existing designs?

A: Yes, for applications where the 200 V voltage rating is the design constraint. The substitute maintains the same 16 A current rating, TO-220-3 package, and compatible gate trigger parameters. The higher 600 V rating does not degrade performance in 200 V circuits.

Q: What is the difference between an Alternistor and a Standard TRIAC?

A: The Q2016RH6 is an Alternistor (Snubberless design), while the BTA216-600B,127 is a Standard TRIAC. Both are thyristor devices suitable for AC switching applications. The Alternistor designation indicates integrated snubber characteristics. Functional substitution is valid when gate drive and load characteristics are compatible.

Q: Are the gate trigger parameters compatible?

A: The Vgt (Max) increases from 1.3 V to 1.5 V, and Igt (Max) decreases from 80 mA to 50 mA. These changes are within typical gate drive circuit design margins. Verify gate drive voltage and current capability against the substitute's specifications for your specific application.

Q: Does the higher voltage rating affect thermal performance?

A: The TO-220-3 package remains identical, ensuring equivalent thermal characteristics. Higher voltage rating does not inherently increase on-state power dissipation at the same current level.

Q: What compliance certifications apply to the substitute?

A: The BTA216-600B,127 is RoHS Compliant and carries the same ECCN (EAR99) and HTSUS (8541.30.0080) classifications as the original part, supporting regulatory and export requirements.