Q6006RH3TP TRIAC Alternistor 600V 6A Equivalent & Substitute Parts

Part Overview

The Q6006RH3TP is a snubberless TRIAC Alternistor manufactured by Littelfuse Inc., rated for 600V off-state voltage and 6A on-state current in a Through Hole TO-220AB package. This component is classified as Active product status with full RoHS3 compliance and REACH unaffected designation. Equivalent and substitute parts are identified based on matching electrical characteristics within the 600V voltage class and compatible current ratings, package configurations, and thermal operating ranges.

Key Parameters

Parameter	Q6006RH3TP
Manufacturer	Littelfuse Inc.
Category	Thyristors
Triac Type	Alternistor - Snubberless
Voltage - Off State	600 V
Current - On State (It (RMS)) (Max)	6 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V
Current - Gate Trigger (Igt) (Max)	10 mA
Current - Hold (Ih) (Max)	15 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	80A, 85A
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-220-3
Supplier Device Package	TO-220AB
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the Q6006RH3TP is determined by the following critical parameters:

Voltage - Off State: 600V (exact match required)
Package / Case: TO-220-3 (mechanical compatibility)
Mounting Type: Through Hole (board assembly compatibility)
Operating Temperature Range: -40°C ~ 125°C or equivalent
RoHS3 Compliance and REACH Unaffected status (regulatory alignment)

Substitute parts must maintain 600V off-state voltage rating and TO-220 package configuration. Current ratings may vary within the 600V class, provided the application requirements are met. Triac type (Alternistor vs. Logic - Sensitive Gate) represents different internal architectures but both are functionally compatible within the 600V 6A+ current envelope.

Parameter Comparison

Parameter	Q6006RH3TP	BTA212-600D,127	BTB08-600SRG	T1220T-6I
Manufacturer	Littelfuse Inc.	WeEn Semiconductors	STMicroelectronics	STMicroelectronics
Triac Type	Alternistor - Snubberless	Logic - Sensitive Gate	Logic - Sensitive Gate	Alternistor - Snubberless
Voltage - Off State	600 V	600 V	600 V	600 V
Current - On State (It (RMS)) (Max)	6 A	12 A	8 A	12 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V	1.5 V	1.3 V	1.3 V
Current - Gate Trigger (Igt) (Max)	10 mA	5 mA	10 mA	20 mA
Current - Hold (Ih) (Max)	15 mA	15 mA	15 mA	15 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	80A, 85A	95A, 105A	80A, 84A	90A, 95A
Operating Temperature	-40°C ~ 125°C (TJ)	125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Package / Case	TO-220-3	TO-220-3	TO-220-3	TO-220-3
Supplier Device Package	TO-220AB	TO-220AB	TO-220	TO-220AB Insulated
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and full RoHS3 compliance, ensuring regulatory alignment with the Q6006RH3TP. Selection among substitutes depends on application-specific current requirements:

BTA212-600D,127 (WeEn Semiconductors): 12A rated current, Logic - Sensitive Gate architecture, lower gate trigger current (5 mA), higher surge capability (95A, 105A). Operating temperature specified to 125°C maximum.
BTB08-600SRG (STMicroelectronics): 8A rated current, Logic - Sensitive Gate architecture, matching gate trigger voltage (1.3V), full temperature range (-40°C ~ 125°C), surge ratings aligned with main part (80A, 84A).
T1220T-6I (STMicroelectronics): 12A rated current, Alternistor - Snubberless architecture (matching main part type), full temperature range (-40°C ~ 125°C), TO-220AB Insulated package variant, higher gate trigger current (20 mA).

All parts share identical off-state voltage (600V), hold current (15 mA), and TO-220 package class. Compliance certifications (ROHS3, REACH Unaffected, EAR99, HTSUS 8541.30.0080) are uniform across all options.

Frequently Asked Questions (FAQ)

Q: Can BTA212-600D,127 directly replace Q6006RH3TP in all applications?

A: BTA212-600D,127 is electrically compatible within the 600V class and TO-220AB package. The higher current rating (12A vs. 6A) and lower gate trigger current (5 mA vs. 10 mA) make it suitable for applications requiring higher current capacity. The Logic - Sensitive Gate architecture differs from the Alternistor type but operates within the same voltage and package specifications. Operating temperature is specified to 125°C maximum, compared to the -40°C minimum of the main part.

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

A: Both are TRIAC architectures operating within the same 600V voltage class. Alternistor - Snubberless (Q6006RH3TP, T1220T-6I) and Logic - Sensitive Gate (BTA212-600D,127, BTB08-600SRG) differ in internal gate sensitivity and snubber requirements. Selection depends on circuit design and EMI filtering strategy rather than voltage or package compatibility.

Q: Is the TO-220AB Insulated package of T1220T-6I compatible with standard TO-220AB boards?

A: TO-220AB Insulated is mechanically compatible with standard TO-220-3 footprints. The insulation feature provides additional electrical isolation. Pin configuration and mounting remain identical to non-insulated TO-220AB variants.

Q: Why does BTA212-600D,127 specify only 125°C maximum operating temperature?

A: BTA212-600D,127 is specified with a maximum junction temperature of 125°C without a stated minimum. Applications requiring full -40°C ~ 125°C range should use BTB08-600SRG or T1220T-6I, which explicitly specify the extended lower temperature limit.

Q: Are all substitute parts available in equivalent packaging quantities?

A: Inventory levels vary by manufacturer and distributor. BTA212-600D,127 (2791 Pcs), BTB08-600SRG (3500 Pcs), and T1220T-6I (2000 Pcs) are listed as new original stock. Verify current availability with your component supplier.

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