MAC97A6RL1G TRIAC Equivalent & Substitute Parts

Part Overview

The MAC97A6RL1G is a Logic-Sensitive Gate TRIAC manufactured by onsemi, rated for 400V off-state voltage and 600mA on-state current in a Through Hole TO-92 package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

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
Current - Non Rep. Surge 50, 60Hz (Itsm)	8A @ 60Hz
Operating Temperature	-40°C ~ 110°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-226-3, TO-92-3 Long Body (Formed Leads)
Configuration	Single

Substitute Part Grouping Explanation

Substitution for the MAC97A6RL1G is determined by the following critical parameters:

Triac Type: Logic-Sensitive Gate configuration must be maintained
Voltage - Off State: Minimum 400V rating required; higher voltage ratings are acceptable
Current - On State: Minimum 600mA rating required; higher current ratings are acceptable
Gate Trigger Characteristics: Vgt (Max) and Igt (Max) must support logic-level gate drive
Mounting Type: Through Hole configuration required
Package / Case: TO-92 or TO-226-3 compatible packages required
Operating Temperature Range: Must support -40°C to 110°C minimum

Substitute parts are classified as Direct (electrically and mechanically equivalent within specified tolerances) or Similar (meet functional requirements with minor parameter variations).

Parameter Comparison

Parameter	MAC97A6RL1G (onsemi)	LX807DE (Littelfuse)	MAC97A8,116 (NXP)	MAC97A6,116 (WeEn)	MAC97A6,412 (WeEn)
Product Status	Obsolete	Active	Active	Active	Active
Triac Type	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate
Voltage - Off State	400 V	400 V	600 V	400 V	400 V
Current - On State (It (RMS)) (Max)	600 mA	800 mA	600 mA	600 mA	600 mA
Voltage - Gate Trigger (Vgt) (Max)	2 V	1.3 V	2 V	1.5 V	1.5 V
Current - Gate Trigger (Igt) (Max)	5 mA	5 mA	5 mA	7 mA	7 mA
Current - Hold (Ih) (Max)	10 mA	5 mA	10 mA	10 mA	10 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	8A @ 60Hz	8A, 9.5A	8A, 8.8A	8A, 8.8A	8A, 8.8A
Operating Temperature (TJ)	-40°C ~ 110°C	-40°C ~ 110°C	125°C	125°C	125°C
Mounting Type	Through Hole	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	TO-226-3, TO-92-3
RoHS Status	Not specified	ROHS3 Compliant	Not specified	RoHS Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	Not specified	Not specified	REACH Unaffected

Engineering Selection Recommendations

Direct Substitutes (Electrically and Mechanically Equivalent):

MAC97A6,116 (WeEn Semiconductors): Matches 400V voltage rating and 600mA current specification. Active product status with RoHS compliance. Gate trigger parameters (Vgt 1.5V, Igt 7mA) are within acceptable logic-level drive range. Extended operating temperature to 125°C provides improved thermal margin.
MAC97A6,412 (WeEn Semiconductors): Identical electrical specifications to MAC97A6,116 with ROHS3 compliance and REACH Unaffected status. Bulk packaging option available.

Compatible Substitute (Higher Current Rating):

LX807DE (Littelfuse Inc.): Rated for 800mA on-state current, exceeding the 600mA requirement. Maintains 400V voltage rating and Logic-Sensitive Gate configuration. Lower gate trigger voltage (1.3V) and current (5mA) provide improved gate drive efficiency. ROHS3 compliant. Active product status with higher inventory availability.

Compatible Substitute (Higher Voltage Rating):

MAC97A8,116 (NXP USA Inc.): Rated for 600V off-state voltage, providing voltage margin above the 400V requirement. Maintains 600mA current and Logic-Sensitive Gate configuration. Extended operating temperature to 125°C. Active product status with highest inventory availability (15762 pcs).

Frequently Asked Questions (FAQ)

Q: Can LX807DE replace MAC97A6RL1G in all applications?

A: LX807DE is compatible where the 800mA on-state current rating and 1.3V gate trigger voltage are acceptable. Applications requiring exact 600mA current matching should use MAC97A6,116 or MAC97A6,412.

Q: What is the difference between MAC97A6,116 and MAC97A6,412?

A: Both parts are electrically identical with matching 400V voltage and 600mA current ratings. MAC97A6,116 is supplied in Cut Tape (CT) packaging, while MAC97A6,412 is supplied in Bulk packaging. Selection depends on procurement and assembly requirements.

Q: Is MAC97A8,116 a suitable replacement despite the 600V rating?

A: Yes. The 600V rating is a superset of the 400V requirement and does not affect circuit operation. The part maintains identical 600mA current and Logic-Sensitive Gate characteristics. Higher voltage rating provides additional design margin.

Q: Are all substitute parts RoHS compliant?

A: LX807DE, MAC97A6,116, and MAC97A6,412 are RoHS compliant. Compliance status ensures compatibility with modern manufacturing and environmental regulations.

Q: What is the impact of different gate trigger voltages (Vgt)?

A: Gate trigger voltage variations (1.3V to 2V) are within logic-level drive specifications. Lower Vgt values (LX807DE at 1.3V) require less gate drive power. Higher Vgt values (MAC97A6RL1G at 2V) provide greater noise immunity. Selection depends on gate drive circuit design.

Q: Can these parts be used interchangeably in PCB layouts?

A: All substitute parts use TO-92 or TO-226-3 packages with identical pin configurations and lead spacing. PCB layouts designed for MAC97A6RL1G accommodate all listed substitutes without modification.

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