MAC210A10G TRIAC 800V 10A Equivalent & Substitute Parts

Part Overview

The MAC210A10G is a standard TRIAC thyristor manufactured by Littelfuse, rated for 800V off-state voltage and 10A on-state current in a TO-220AB through-hole package. This component is Active status and RoHS3 compliant. Equivalent and substitute parts are identified based on matching or exceeding critical electrical parameters while maintaining compatible mechanical form factors and thermal operating ranges.

Key Parameters

Parameter	MAC210A10G
Voltage - Off State	800 V
Current - On State (It (RMS)) (Max)	10 A
Voltage - Gate Trigger (Vgt) (Max)	2 V
Current - Gate Trigger (Igt) (Max)	50 mA
Current - Hold (Ih) (Max)	50 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	100A @ 60Hz
Operating Temperature Range	-40°C ~ 125°C (TJ)
Package / Case	TO-220-3
Mounting Type	Through Hole
Configuration	Single

Substitute Part Grouping Explanation

Substitute parts are grouped based on the following substitution criteria:

Direct Current Rating Match (10A Category): Parts BTA10-800BWRG and BTB10-800BWRG maintain identical 800V off-state voltage and 10A on-state current ratings. These are classified as Alternistor - Snubberless variants from STMicroelectronics with lower gate trigger voltage (1.3V vs. 2V maximum), representing improved performance within the same electrical class.

Higher Current Rating Substitutes (12A, 16A Categories): Parts T1235T-8T (12A) and T1635T-8T (16A) exceed the 10A requirement and operate at 800V off-state voltage. These are suitable for applications where higher current capacity provides design margin. Operating temperature extends to -40°C ~ 150°C (TJ).

Lower Current Rating Substitutes (6A, 8A Categories): Parts T635T-8T (6A) and T835T-8T (8A) operate at 800V off-state voltage with reduced current ratings. T835T-8T (8A) approaches the original specification and is suitable for current-limited applications. Both extend operating temperature to -40°C ~ 150°C (TJ).

Key Substitution Parameters:

Voltage - Off State: 800V (fixed across all substitutes)
Package / Case: TO-220-3 (fixed across all substitutes)
Mounting Type: Through Hole (fixed across all substitutes)
Configuration: Single (fixed across all substitutes)
RoHS3 Compliance: All substitutes maintain RoHS3 compliance
Current - On State: Range from 6A to 16A available

Parameter Comparison

Parameter	MAC210A10G	BTA10-800BWRG	BTB10-800BWRG	T1235T-8T	T1635T-8T	T635T-8T	T835T-8T
Manufacturer	Littelfuse	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Triac Type	Standard	Alternistor - Snubberless	Alternistor - Snubberless	Alternistor - Snubberless	Alternistor - Snubberless	Alternistor - Snubberless	Alternistor - Snubberless
Voltage - Off State	800 V	800 V	800 V	800 V	800 V	800 V	800 V
Current - On State (It (RMS)) (Max)	10 A	10 A	10 A	12 A	16 A	6 A	8 A
Voltage - Gate Trigger (Vgt) (Max)	2 V	1.3 V	1.3 V	1.3 V	1.3 V	1.3 V	1.3 V
Current - Gate Trigger (Igt) (Max)	50 mA	50 mA	50 mA	35 mA	35 mA	35 mA	35 mA
Current - Hold (Ih) (Max)	50 mA	50 mA	50 mA	40 mA	40 mA	40 mA	40 mA
Operating Temperature Range	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 150°C	-40°C ~ 150°C	-40°C ~ 150°C	-40°C ~ 150°C
Package / Case	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Substitutes (BTA10-800BWRG, BTB10-800BWRG): These STMicroelectronics Alternistor - Snubberless parts provide identical electrical ratings to the MAC210A10G with improved gate trigger characteristics (1.3V vs. 2V). Both maintain Active product status and RoHS3 compliance. Selection between BTA10-800BWRG and BTB10-800BWRG depends on specific application requirements and availability, as electrical specifications are equivalent.

Higher Current Capacity Substitutes (T1235T-8T, T1635T-8T): These parts exceed the 10A requirement with 12A and 16A ratings respectively, maintaining 800V off-state voltage. Extended operating temperature range (-40°C ~ 150°C) provides additional thermal margin. Suitable for applications requiring design headroom or operating in elevated temperature environments. Both maintain Active status and RoHS3 compliance.

Lower Current Capacity Substitutes (T635T-8T, T835T-8T): These parts operate below the 10A specification with 6A and 8A ratings. T835T-8T (8A) is closer to the original specification and suitable for current-limited circuit designs. Both extend operating temperature to -40°C ~ 150°C. Both maintain Active status and RoHS3 compliance.

All substitute parts maintain TO-220-3 package compatibility, through-hole mounting, and single configuration matching the MAC210A10G.

Frequently Asked Questions (FAQ)

Q: Can BTA10-800BWRG or BTB10-800BWRG directly replace MAC210A10G?

A: Yes. Both parts maintain identical 800V off-state voltage and 10A on-state current ratings in the same TO-220-3 package. The lower gate trigger voltage (1.3V vs. 2V) represents improved performance characteristics. Both are Active status and RoHS3 compliant.

Q: What is the difference between BTA10-800BWRG and BTB10-800BWRG?

A: Both parts are STMicroelectronics Alternistor - Snubberless TRIACs with identical electrical specifications: 800V off-state voltage, 10A on-state current, 1.3V gate trigger voltage maximum, and TO-220-3 package. Selection depends on application requirements and component availability.

Q: Can I use T1235T-8T (12A) instead of MAC210A10G (10A)?

A: Yes. T1235T-8T exceeds the 10A requirement with 12A on-state current rating at 800V off-state voltage. The higher current capacity provides design margin. Operating temperature extends to -40°C ~ 150°C. Both maintain TO-220-3 package compatibility and RoHS3 compliance.

Q: Can I use T835T-8T (8A) instead of MAC210A10G (10A)?

A: T835T-8T operates below the 10A specification with 8A on-state current rating. This substitute is suitable only for applications where the circuit current requirement does not exceed 8A. Both maintain 800V off-state voltage, TO-220-3 package, and RoHS3 compliance.

Q: Are all substitute parts in the same package?

A: Yes. All substitute parts use TO-220-3 package with through-hole mounting, matching the MAC210A10G mechanical form factor and PCB compatibility.

Q: Do all parts meet RoHS3 compliance?

A: Yes. The MAC210A10G and all listed substitute parts are RoHS3 compliant.

Q: What is the operating temperature difference between MAC210A10G and STMicroelectronics substitutes?

A: MAC210A10G operates from -40°C to 125°C (TJ). BTA10-800BWRG and BTB10-800BWRG maintain the same -40°C to 125°C range. T1235T-8T, T1635T-8T, T635T-8T, and T835T-8T extend the upper limit to -40°C to 150°C (TJ), providing additional thermal operating margin.

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