MAC97A6RLRFG Equivalent & Substitute Parts

Part Overview

The MAC97A6RLRFG is a logic-sensitive gate TRIAC rated for 400 V off-state voltage with 600 mA on-state current in a through-hole TO-92 package. This component is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility across gate trigger characteristics, current ratings, and thermal operating ranges while accommodating packaging and sourcing variations.

Key Parameters

Parameter	Value
Triac Type	Logic - Sensitive Gate
Voltage - Off State	400 V
Current - On State (It (RMS)) (Max)	600 mA
Voltage - Gate Trigger (Vgt) (Max)	2 V
Current - Gate Trigger (Igt) (Max)	5 mA
Current - Hold (Ih) (Max)	10 mA
Configuration	Single
Mounting Type	Through Hole
Package / Case	TO-226-3, TO-92-3
Operating Temperature	-40°C ~ 110°C (TJ)

Substitute Part Grouping Explanation

Substitution eligibility for the MAC97A6RLRFG is determined by the following criteria:

Primary Compatibility Parameters:

Triac Type: Logic - Sensitive Gate (required match)
Current - On State (It (RMS)) (Max): 600 mA (required match)
Voltage - Gate Trigger (Vgt) (Max): 2 V (required match)
Current - Gate Trigger (Igt) (Max): 5 mA (required match)
Current - Hold (Ih) (Max): 10 mA (required match)
Configuration: Single (required match)
Mounting Type: Through Hole (required match)
Package / Case: TO-226-3 or TO-92-3 (required match)

Secondary Compatibility Parameters:

Voltage - Off State: 400 V minimum (equal or higher voltage rating acceptable)
Operating Temperature: -40°C ~ 110°C minimum range (equal or higher maximum temperature acceptable)

All substitute parts listed maintain these electrical and mechanical specifications, ensuring direct functional compatibility in applications designed for the MAC97A6RLRFG.

Parameter Comparison

Parameter	MAC97A6RLRFG (onsemi)	MAC97A8,116 (NXP USA Inc.)	MAC97A8/DG,116 (WeEn Semiconductors)	MAC97A8/DG,412 (NXP USA Inc.)
Triac Type	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate
Voltage - Off State	400 V	600 V	400 V	400 V
Current - On State (It (RMS)) (Max)	600 mA	600 mA	600 mA	600 mA
Voltage - Gate Trigger (Vgt) (Max)	2 V	2 V	2 V	2 V
Current - Non Rep. Surge 50, 60Hz (Itsm)	8A @ 60Hz	8A, 8.8A	8A, 8.8A	8A, 8.8A
Current - Gate Trigger (Igt) (Max)	5 mA	5 mA	5 mA	5 mA
Current - Hold (Ih) (Max)	10 mA	10 mA	10 mA	10 mA
Configuration	Single	Single	Single	Single
Operating Temperature (TJ)	-40°C ~ 110°C	125°C	125°C	125°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-226-3, TO-92-3	TO-226-3, TO-92-3	TO-226-3, TO-92-3	TO-226-3, TO-92-3
Product Status	Obsolete	Active	Active	Active

Engineering Selection Recommendations

MAC97A8,116 (NXP USA Inc.) — Direct electrical substitute with 600 V off-state voltage rating. Suitable for applications where higher voltage margin is beneficial. Active product status ensures long-term availability and supply chain stability. Bulk packaging requires component-level handling.

MAC97A8/DG,116 (WeEn Semiconductors) — Maintains 400 V off-state voltage matching the original specification. Tape & Reel packaging supports automated assembly processes. RoHS Compliant certification meets environmental regulatory requirements. Active product status provides production continuity.

MAC97A8/DG,412 (NXP USA Inc.) — Maintains 400 V off-state voltage matching the original specification. Bulk packaging configuration. Active product status with highest inventory availability (26,056 pcs). Suitable for high-volume production requirements.

All three substitutes feature extended maximum operating temperature (125°C vs. 110°C), providing improved thermal margin in applications approaching temperature limits.

Frequently Asked Questions (FAQ)

Q: Can MAC97A8,116 replace MAC97A6RLRFG in all applications?

A: Yes, from an electrical standpoint. The 600 V off-state voltage rating of MAC97A8,116 exceeds the 400 V requirement, making it functionally compatible. All other electrical parameters match exactly. Verify circuit design does not depend on the lower voltage rating of the original part.

Q: What is the difference between the three substitute options?

A: MAC97A8,116 provides 600 V off-state voltage versus 400 V for the other two substitutes. MAC97A8/DG,116 is supplied in Tape & Reel packaging (automated assembly compatible) and is RoHS Compliant. MAC97A8/DG,412 is supplied in Bulk packaging with the highest inventory availability. All three are electrically equivalent for gate trigger and current specifications.

Q: Are the TO-92-3 and TO-226-3 packages interchangeable?

A: Yes. TO-92-3 and TO-226-3 refer to the same physical package format (three-lead through-hole). Both designations are used interchangeably in industry documentation for this component family.

Q: Does the higher operating temperature rating of substitutes affect circuit design?

A: No. The extended maximum operating temperature (125°C vs. 110°C) of substitute parts provides additional thermal margin. Existing circuit designs require no modification. This represents an improvement in thermal performance capability.

Q: What packaging considerations apply when selecting a substitute?

A: MAC97A8/DG,116 in Tape & Reel format is optimized for pick-and-place assembly. MAC97A8,116 and MAC97A8/DG,412 in Bulk packaging require manual component handling or custom tape preparation. Select based on production assembly method and volume requirements.

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