L6006V8 Equivalent & Substitute Parts

Part Overview

The L6006V8 is a Logic - Sensitive Gate TRIAC rated for 600 V off-state voltage and 6 A on-state current, manufactured by Littelfuse Inc. in a TO-251 through-hole package. This component is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing design requirements and production needs. The sensitive gate configuration enables reliable triggering at low gate currents, suitable for AC switching applications requiring predictable gate control characteristics.

Key Parameters

Parameter	Value
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)	20 mA
Operating Temperature Range	-40°C ~ 110°C (TJ)
Package / Case	TO-251-3 Short Leads, IPak
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the L6006V8 is determined by the following critical parameters:

Voltage Rating (Off State): Must be 600 V minimum to maintain equivalent blocking capability
Gate Trigger Characteristics: Vgt (Max) of 1.3 V and Igt (Max) of 10 mA define the sensitive gate classification
Package Compatibility: TO-251 through-hole package ensures mechanical and thermal compatibility
Configuration: Single TRIAC configuration only
Compliance: ROHS3 compliance required for regulatory alignment

The T410-600H from STMicroelectronics meets these substitution criteria. While the on-state current rating differs (4 A vs. 6 A), the gate trigger parameters, voltage rating, package type, and compliance certifications align with the L6006V8 specification envelope.

Parameter Comparison

Parameter	L6006V8 (Littelfuse)	T410-600H (STMicroelectronics)
Triac Type	Logic - Sensitive Gate	Logic - Sensitive Gate
Voltage - Off State	600 V	600 V
Current - On State (It (RMS)) (Max)	6 A	4 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V	1.3 V
Current - Gate Trigger (Igt) (Max)	10 mA	10 mA
Current - Hold (Ih) (Max)	20 mA	15 mA
Operating Temperature Range	-40°C ~ 110°C (TJ)	-40°C ~ 125°C (TJ)
Package / Case	TO-251-3 Short Leads, IPak	TO-251-3 Short Leads, IPak
Mounting Type	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Discontinued at DiGi Electronics	Active

Engineering Selection Recommendations

The T410-600H is the designated manufacturer-recommended substitute for the L6006V8. Both components share identical gate trigger specifications (Vgt and Igt), matching voltage ratings, and compatible TO-251 packaging. The T410-600H maintains active product status with confirmed inventory availability, addressing the discontinuation of the L6006V8.

The primary design consideration is the on-state current rating differential: the T410-600H is rated for 4 A maximum versus the L6006V8's 6 A. Circuit designs operating at currents below 4 A RMS are directly compatible. Designs requiring the full 6 A capability must be re-evaluated for thermal and current-handling margins using the T410-600H's lower rating.

Both components meet ROHS3 compliance requirements. The T410-600H offers an extended operating temperature range (-40°C to 125°C) compared to the L6006V8 (-40°C to 110°C), providing additional thermal margin in high-temperature applications.

Frequently Asked Questions (FAQ)

Q: Can the T410-600H directly replace the L6006V8 in all applications?

A: Direct replacement is valid for circuits operating at on-state currents of 4 A RMS or below. Applications requiring the full 6 A rating of the L6006V8 require circuit re-evaluation and thermal analysis with the T410-600H's lower current specification.

Q: Are the gate trigger characteristics identical between these parts?

A: Yes. Both the L6006V8 and T410-600H specify Vgt (Max) of 1.3 V and Igt (Max) of 10 mA, ensuring equivalent gate control behavior in sensitive-gate TRIAC applications.

Q: What is the significance of the TO-251 package compatibility?

A: The TO-251 (IPak) package ensures mechanical fit, thermal interface compatibility, and PCB layout consistency. Both parts use identical package geometry, eliminating the need for board redesign.

Q: Does the T410-600H meet the same compliance standards?

A: Yes. The T410-600H is ROHS3 compliant and carries the same ECCN and HTSUS classifications as the L6006V8, maintaining regulatory alignment for equivalent applications.

Q: Why is the hold current (Ih) specification different?

A: The T410-600H specifies Ih (Max) of 15 mA versus the L6006V8's 20 mA. This represents a tighter specification and does not prevent substitution; circuits designed for the L6006V8's 20 mA hold current will operate within the T410-600H's 15 mA specification.

Q: Is the extended temperature range of the T410-600H a limiting factor?

A: No. The T410-600H's operating range of -40°C to 125°C exceeds the L6006V8's -40°C to 110°C range, providing additional thermal headroom for high-temperature environments.

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