MAC12HCNG TRIAC Equivalent & Substitute Parts

Part Overview

The MAC12HCNG is a standard TRIAC thyristor manufactured by Littelfuse Inc., rated for 800 V off-state voltage and 12 A on-state current in a TO-220AB through-hole package. This component is actively produced and ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and thermal operating ranges to ensure functional interchangeability in circuit applications.

Substiute Parts

MAC12HCNG

Littelfuse Inc.In Stock: 2280MAC12HCNG Datasheet

Current PartRFQ

Q8012RH5TP

Littelfuse Inc.In Stock: 4084Q8012RH5TP Datasheet

DirectRFQ

BTA10-800BWRG

STMicroelectronicsIn Stock: 900422BTA10-800BWRG Datasheet

MFR RecommendedRFQ

T1235T-8T

STMicroelectronicsIn Stock: 7386T1235T-8T Datasheet

MFR RecommendedRFQ

T1635T-8T

STMicroelectronicsIn Stock: 1430T1635T-8T Datasheet

MFR RecommendedRFQ

T635T-8T

STMicroelectronicsIn Stock: 5406T635T-8T Datasheet

MFR RecommendedRFQ

T835T-8T

STMicroelectronicsIn Stock: 2333T835T-8T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MAC12HCNG are selected based on the following criteria:

Primary Matching Parameters:

• Voltage - Off State: 800 V (exact match required)
• Package / Case: TO-220-3 (mechanical compatibility)
• Mounting Type: Through Hole (assembly compatibility)
• Configuration: Single (functional equivalence)

Current Rating Considerations:

• Direct substitutes maintain 12 A on-state current rating
• Higher current-rated parts (16 A) are acceptable for applications requiring the same or lower current
• Lower current-rated parts (6 A, 8 A, 10 A) are suitable only for applications with reduced current requirements

Gate Trigger Parameters:

• Voltage - Gate Trigger (Vgt) at 1.3 V or lower ensures compatibility with existing gate drive circuits
• Current - Gate Trigger (Igt) at 50 mA or lower maintains gate drive compatibility

Thermal Operating Range:

• Extended temperature ranges (-40°C to 150°C) provide enhanced thermal margin and are fully compatible with applications limited to -40°C to 125°C

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Current Rating): Q8012RH5TP and T1235T-8T are direct functional equivalents to MAC12HCNG, both rated for 12 A at 800 V in TO-220-3 packages. Both parts are ROHS3 compliant and REACH unaffected. Q8012RH5TP maintains identical thermal range (-40°C to 125°C), while T1235T-8T extends the upper operating temperature to 150°C. Both feature lower gate trigger voltage (1.3 V) compared to the MAC12HCNG (1.5 V), ensuring compatibility with existing gate drive circuits.

Higher Current Rating: T1635T-8T is rated for 16 A at 800 V and is suitable for applications where the MAC12HCNG is specified but higher current capacity is available or required. This part provides thermal margin and is ROHS3 compliant with extended temperature range (-40°C to 150°C).

Lower Current Ratings: BTA10-800BWRG (10 A), T835T-8T (8 A), and T635T-8T (6 A) are suitable only for applications where the circuit current requirement is at or below their respective ratings. All three maintain 800 V off-state voltage and TO-220-3 package compatibility. T835T-8T and T635T-8T offer extended temperature range to 150°C.

Compliance Status: All substitute parts listed are ROHS3 compliant, REACH unaffected, and carry EAR99 ECCN classification, matching the regulatory status of the MAC12HCNG.

Frequently Asked Questions (FAQ)

Q: Can Q8012RH5TP replace MAC12HCNG directly? A: Yes. Q8012RH5TP matches the MAC12HCNG in voltage rating (800 V), current rating (12 A), gate trigger current (50 mA), and TO-220-3 package. The lower gate trigger voltage (1.3 V vs. 1.5 V) is compatible with existing gate drive circuits. Both operate across -40°C to 125°C.

Q: What is the difference between Standard and Alternistor - Snubberless TRIAC types? A: The MAC12HCNG is a Standard TRIAC type. Alternistor - Snubberless types (Q8012RH5TP, T1235T-8T, T1635T-8T, BTA10-800BWRG, T835T-8T, T635T-8T) are optimized for reduced EMI and improved switching characteristics without requiring external snubber networks. Both types are electrically compatible when voltage and current ratings match.

Q: Can I use T1635T-8T (16 A) in place of MAC12HCNG (12 A)? A: Yes, for applications where the circuit current is at or below 12 A. The higher current rating provides additional thermal margin. The 800 V voltage rating and TO-220-3 package ensure mechanical and electrical compatibility. Verify that the application does not require the specific thermal characteristics of the 12 A device.

Q: Are lower current-rated parts (6 A, 8 A, 10 A) suitable substitutes? A: Lower current-rated parts are suitable only if the application circuit current requirement is at or below their respective ratings. BTA10-800BWRG (10 A) is the closest lower-rated option. Do not use lower-rated parts in applications requiring the full 12 A capacity.

Q: What is the impact of extended temperature range (-40°C to 150°C)? A: Parts with extended temperature range (T1235T-8T, T1635T-8T, T835T-8T, T635T-8T) provide additional thermal margin and are fully compatible with applications limited to -40°C to 125°C. Extended range does not affect electrical performance within the standard operating range.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All substitute parts listed (Q8012RH5TP, T1235T-8T, T1635T-8T, BTA10-800BWRG, T835T-8T, T635T-8T) are ROHS3 compliant and REACH unaffected, matching the regulatory status of MAC12HCNG.

Q: Does the lower gate trigger voltage (1.3 V) of substitute parts affect circuit operation? A: No. Lower gate trigger voltage (1.3 V vs. 1.5 V) is compatible with existing gate drive circuits. The gate drive circuit will trigger the substitute part at or before the voltage required for the MAC12HCNG, ensuring reliable operation.