MAC12HCMG TRIAC 600V 12A Equivalent & Substitute Parts

Part Overview

The MAC12HCMG is a standard TRIAC thyristor rated for 600V off-state voltage and 12A on-state current in a TO-220AB package. Manufactured by Littelfuse Inc., this component is active and in production. Substitute parts are identified based on matching electrical ratings, mechanical compatibility, and thermal operating ranges to ensure functional equivalence in circuit applications.

Key Parameters

Parameter	MAC12HCMG
Voltage - Off State	600 V
Current - On State (It RMS) Max	12 A
Voltage - Gate Trigger (Vgt) Max	1.5 V
Current - Gate Trigger (Igt) Max	50 mA
Current - Hold (Ih) Max	60 mA
Current - Non Rep. Surge (Itsm)	100A @ 60Hz
Operating Temperature Range	-40°C to 125°C (TJ)
Package / Case	TO-220-3
Mounting Type	Through Hole
TRIAC Type	Standard
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the MAC12HCMG are grouped based on the following substitution criteria:

Primary Substitution Criteria:

Voltage - Off State: 600 V (exact match required)
Current - On State (It RMS) Max: 12 A (exact match required)
Package / Case: TO-220-3 (mechanical compatibility)
Mounting Type: Through Hole (assembly compatibility)
Configuration: Single (functional equivalence)

Secondary Compatibility Factors:

Gate trigger voltage (Vgt) and current (Igt) within acceptable ranges for circuit operation
Operating temperature range sufficient for application requirements
RoHS3 compliance and regulatory status alignment

Parts are classified into three categories based on TRIAC type: Standard TRIACs, Alternistor (Snubberless) TRIACs, and Internally Triggered TRIACs. Each category maintains the core 600V/12A electrical specification while offering different gate sensitivity and surge handling characteristics.

Parameter Comparison

Part Number	Manufacturer	TRIAC Type	Voltage - Off State	Current - On State (It RMS) Max	Vgt Max (V)	Igt Max (mA)	Ih Max (mA)	Itsm (A)	Operating Temp (°C)	Package
MAC12HCMG	Littelfuse Inc.	Standard	600 V	12 A	1.5	50	60	100 @ 60Hz	-40 to 125	TO-220-3
Q6012RH5TP	Littelfuse Inc.	Alternistor - Snubberless	600 V	12 A	1.3	50	50	110, 120	-40 to 125	TO-220-3
BTA312-600B,127	WeEn Semiconductors	Standard	600 V	12 A	1.5	50	60	95, 105	-40 to 125	TO-220-3
AVS12CB	STMicroelectronics	Internally Triggered	600 V	12 A	—	—	—	100, 105	0 to 125	TO-220-3
BTB12-600BWRG	STMicroelectronics	Alternistor - Snubberless	600 V	12 A	1.3	50	50	120, 126	-40 to 125	TO-220-3
BTA10-600BWRG	STMicroelectronics	Alternistor - Snubberless	600 V	10 A	1.3	50	50	100, 105	-40 to 125	TO-220-3
BTA10-600BRG	STMicroelectronics	Standard	600 V	10 A	1.3	50	50	100, 105	-40 to 125	TO-220-3
BTA08-600BWRG	STMicroelectronics	Alternistor - Snubberless	600 V	8 A	1.3	50	50	80, 84	-40 to 125	TO-220-3
BTB08-600BRG	STMicroelectronics	Standard	600 V	8 A	1.3	50	50	80, 84	-40 to 125	TO-220-3
BTB10-600BWRG	STMicroelectronics	Alternistor - Snubberless	600 V	10 A	1.3	50	50	100, 105	-40 to 125	TO-220-3
T1610H-6T	STMicroelectronics	Logic - Sensitive Gate	600 V	16 A	1.3	10	15	160, 168	-40 to 150	TO-220-3

Engineering Selection Recommendations

Direct Equivalents (600V / 12A):

BTA312-600B,127 (WeEn Semiconductors) and Q6012RH5TP (Littelfuse Inc.) are direct functional equivalents to the MAC12HCMG. Both maintain 600V off-state voltage and 12A on-state current ratings. BTA312-600B,127 is a Standard TRIAC with identical gate trigger specifications (Vgt 1.5V). Q6012RH5TP is an Alternistor variant with lower gate trigger voltage (Vgt 1.3V) and improved surge handling (110-120A). Both are ROHS3 compliant and operate across the -40°C to 125°C temperature range.

Internally Triggered Alternative:

AVS12CB (STMicroelectronics) maintains the 600V/12A core specification but operates as an Internally Triggered TRIAC. This type eliminates external gate drive requirements in certain applications. Operating temperature range is 0°C to 125°C, which is narrower than the MAC12HCMG. All parts are ROHS3 compliant and REACH unaffected.

Reduced Current Ratings (600V / 10A or 8A):

BTA10-600BWRG, BTA10-600BRG, BTA08-600BWRG, and BTB08-600BRG are suitable only for applications where 10A or 8A on-state current is acceptable. These parts maintain 600V off-state voltage and TO-220-3 package compatibility but have lower current capacity. Selection depends on circuit load requirements.

Higher Current Alternative:

T1610H-6T (STMicroelectronics) is a Logic - Sensitive Gate TRIAC rated for 600V / 16A with lower gate trigger current (Igt 10mA) and extended operating temperature to 150°C. This part is suitable only if higher current capacity and sensitive gate operation are required.

All substitute parts are active products with ROHS3 compliance and REACH unaffected status.

Frequently Asked Questions (FAQ)

Q: Can I use BTA312-600B,127 as a direct replacement for MAC12HCMG?

A: Yes. BTA312-600B,127 matches the MAC12HCMG in voltage (600V), current (12A), gate trigger voltage (1.5V), and operating temperature range (-40°C to 125°C). Both are Standard TRIACs in TO-220-3 packages. Mechanical and electrical compatibility is confirmed.

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

A: Standard TRIACs (MAC12HCMG, BTA312-600B,127) and Alternistor TRIACs (Q6012RH5TP, BTB12-600BWRG) both operate at 600V/12A but differ in gate sensitivity and snubber requirements. Alternistor types have lower gate trigger voltage (1.3V vs 1.5V) and improved surge handling, reducing the need for external snubber circuits in some applications.

Q: Can I use a 10A TRIAC in place of the 12A MAC12HCMG?

A: Only if your circuit load does not exceed 10A RMS. Parts like BTA10-600BWRG and BTA10-600BRG are rated for 10A maximum on-state current. Using a lower-rated part in a 12A application risks component failure. Verify circuit current requirements before substitution.

Q: Is the AVS12CB (Internally Triggered) compatible with the MAC12HCMG circuit?

A: AVS12CB maintains 600V/12A ratings and TO-220-3 package compatibility. However, as an Internally Triggered TRIAC, it does not require external gate drive signals. Compatibility depends on whether your circuit design includes gate drive circuitry. If gate drive is present, the AVS12CB will operate, but the internal trigger mechanism may not be utilized. Operating temperature range is narrower (0°C to 125°C vs -40°C to 125°C).

Q: What does ROHS3 compliance mean for these parts?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. All listed substitute parts are ROHS3 compliant, ensuring regulatory alignment with the original MAC12HCMG.

Q: Can I use T1610H-6T as a substitute?

A: T1610H-6T is rated for 600V/16A with Logic - Sensitive Gate characteristics. While it exceeds the MAC12HCMG current rating, it is suitable only if your application requires higher current capacity and sensitive gate operation. The lower gate trigger current (10mA vs 50mA) and extended temperature range (to 150°C) represent different design characteristics, not direct equivalence.

Q: Are all substitute parts available in the same packaging?

A: Yes. All listed substitute parts use TO-220-3 package with through-hole mounting, ensuring mechanical compatibility with MAC12HCMG PCB layouts and thermal management requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message