Q6012RH1LED TRIAC Equivalent & Substitute Parts

Part Overview

The Q6012RH1LED is a Littelfuse Alternistor snubberless TRIAC rated for 600 V off-state voltage and 12 A on-state current in a TO-220AB package. This component is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing design support and procurement. The part operates across -40°C to 110°C and meets ROHS3 compliance requirements.

Key Parameters

Parameter	Q6012RH1LED
Voltage - Off State	600 V
Current - On State (It (RMS)) (Max)	12 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V
Current - Gate Trigger (Igt) (Max)	10 mA
Current - Hold (Ih) (Max)	8 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	110 A, 120 A
Operating Temperature Range	-40°C ~ 110°C (TJ)
Package / Case	TO-220-3
Mounting Type	Through Hole
Triac Type	Alternistor - Snubberless

Substitute Part Grouping Explanation

Substitution eligibility for the Q6012RH1LED is determined by the following critical parameters:

Voltage - Off State: Must be 600 V minimum
Current - On State (It (RMS)): Must support 12 A or higher
Package / Case: Must be TO-220-3 for mechanical and thermal compatibility
Mounting Type: Must be Through Hole
Gate Trigger Characteristics: Vgt and Igt values determine gate sensitivity and circuit compatibility

All substitute parts listed maintain 600 V off-state voltage and TO-220-3 packaging. However, substitute parts employ Logic - Sensitive Gate TRIAC architecture rather than Alternistor - Snubberless design. This architectural difference affects gate trigger voltage and current specifications but does not prevent functional substitution in applications where gate sensitivity is acceptable.

Parameter Comparison

Parameter	Q6012RH1LED	BT138-600D,127	BTA08-600TWRG	BTA310-600D,127	BTA312-600D/DG,127	T1210T-6I
Manufacturer	Littelfuse Inc.	NXP USA Inc.	STMicroelectronics	WeEn Semiconductors	WeEn Semiconductors	STMicroelectronics
Voltage - Off State	600 V	600 V	600 V	600 V	600 V	600 V
Current - On State (It (RMS)) (Max)	12 A	12 A	8 A	10 A	12 A	12 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V	1.5 V	1.3 V	1.5 V	1.5 V	1.3 V
Current - Gate Trigger (Igt) (Max)	10 mA	5 mA	5 mA	5 mA	5 mA	10 mA
Current - Hold (Ih) (Max)	8 mA	10 mA	10 mA	10 mA	10 mA	10 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	110 A, 120 A	95 A, 105 A	80 A, 84 A	85 A, 93 A	95 A, 105 A	90 A, 95 A
Operating Temperature Range	-40°C ~ 110°C	125°C (TJ)	-40°C ~ 125°C	125°C (TJ)	125°C (TJ)	-40°C ~ 125°C
Package / Case	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3
Triac Type	Alternistor - Snubberless	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate
Product Status	Discontinued	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	Not specified	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant

Engineering Selection Recommendations

BT138-600D,127 (NXP USA Inc.) and BTA312-600D/DG,127 (WeEn Semiconductors) provide the closest electrical match to the Q6012RH1LED, both supporting 12 A on-state current at 600 V. Both parts are in active production status with RoHS compliance. BT138-600D,127 offers higher inventory availability (6400 pcs). BTA312-600D/DG,127 maintains RoHS compliance and active status.

T1210T-6I (STMicroelectronics) matches the Q6012RH1LED gate trigger specifications (Vgt 1.3 V, Igt 10 mA) and supports 12 A current with extended temperature range (-40°C to 125°C). This part offers the highest inventory availability (10,300 pcs) and ROHS3 compliance.

BTA310-600D,127 (WeEn Semiconductors) supports 10 A on-state current, suitable for applications where 12 A capacity is not required. Active production status and RoHS compliance are confirmed.

BTA08-600TWRG (STMicroelectronics) is rated for 8 A on-state current and is suitable only for applications with reduced current requirements. Extended temperature range (-40°C to 125°C) and ROHS3 compliance are provided.

Frequently Asked Questions (FAQ)

Q: Can BTA08-600TWRG replace Q6012RH1LED in all applications?

A: No. BTA08-600TWRG is rated for 8 A maximum on-state current, while Q6012RH1LED supports 12 A. Use BTA08-600TWRG only in applications where the circuit current requirement does not exceed 8 A.

Q: What is the difference between Alternistor - Snubberless and Logic - Sensitive Gate TRIAC types?

A: The Q6012RH1LED uses Alternistor - Snubberless architecture. All substitute parts use Logic - Sensitive Gate architecture. This affects gate trigger sensitivity and surge current ratings but does not prevent functional substitution in standard AC switching applications.

Q: Are all substitute parts pin-compatible with Q6012RH1LED?

A: Yes. All substitute parts use TO-220-3 packaging with identical pin configuration and mechanical footprint.

Q: Which substitute part has the best inventory availability?

A: T1210T-6I offers the highest inventory (10,300 pcs). BT138-600D,127 provides 6400 pcs.

Q: Do all substitute parts meet RoHS compliance?

A: BTA08-600TWRG, T1210T-6I, and BTA312-600D/DG,127 confirm ROHS3 or RoHS compliance. BTA310-600D,127 confirms RoHS compliance. BT138-600D,127 compliance status is not specified in available data.

Q: What is the maximum operating temperature for each substitute?

A: BTA08-600TWRG and T1210T-6I support -40°C to 125°C. BT138-600D,127, BTA310-600D,127, and BTA312-600D/DG,127 are rated to 125°C (TJ). Q6012RH1LED operates to 110°C (TJ).

Q: Can I use BTA310-600D,127 instead of BTA312-600D/DG,127?

A: BTA310-600D,127 is rated for 10 A on-state current versus 12 A for BTA312-600D/DG,127. Use BTA310-600D,127 only if circuit current does not exceed 10 A.

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