L6008V6TP Equivalent & Substitute Parts

Part Overview

The L6008V6TP is a Logic - Sensitive Gate TRIAC manufactured by Littelfuse Inc., rated for 600 V off-state voltage and 8 A on-state current in a TO-251 through-hole package. This component is currently active in production with 756 units in stock. Substitute parts become necessary when the primary component reaches end-of-life status, inventory constraints occur, or design requirements allow for compatible alternatives that meet the same electrical and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	L6008V6TP
Manufacturer	Littelfuse Inc.
Category	Thyristors
Triac Type	Logic - Sensitive Gate
Voltage - Off State	600 V
Current - On State (It (RMS)) (Max)	8 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V
Current - Gate Trigger (Igt) (Max)	5 mA
Current - Hold (Ih) (Max)	10 mA
Operating Temperature	-40°C ~ 110°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-251-3 Short Leads, IPak, TO-251AA
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the L6008V6TP is determined by the following critical parameters:

Voltage - Off State: Must equal 600 V
Triac Type: Must be Logic - Sensitive Gate
Voltage - Gate Trigger (Vgt) (Max): Must equal 1.3 V
Mounting Type: Must be Through Hole
Package / Case: Must be TO-251-3 Short Leads, IPak, or TO-251AA

The substitute parts T405-600H, T405Q-600H, and T410-600H meet these core electrical and mechanical requirements. However, the on-state current rating differs: substitute parts are rated at 4 A maximum, compared to the L6008V6TP's 8 A rating. This represents a reduction in current-handling capacity and must be evaluated against circuit requirements.

Parameter Comparison

Parameter	L6008V6TP	T405-600H	T405Q-600H	T410-600H
Manufacturer	Littelfuse Inc.	STMicroelectronics	STMicroelectronics	STMicroelectronics
Triac Type	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate
Voltage - Off State	600 V	600 V	600 V	600 V
Current - On State (It (RMS)) (Max)	8 A	4 A	4 A	4 A
Voltage - Gate Trigger (Vgt) (Max)	1.3 V	1.3 V	1.3 V	1.3 V
Current - Gate Trigger (Igt) (Max)	5 mA	5 mA	5 mA	10 mA
Current - Hold (Ih) (Max)	10 mA	10 mA	10 mA	15 mA
Operating Temperature	-40°C ~ 110°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-251-3 Short Leads, IPak, TO-251AA	TO-251-3 Short Leads, IPak, TO-251AA	TO-251-3 Short Leads, IPak, TO-251AA	TO-251-3 Short Leads, IPak, TO-251AA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts maintain active product status and ROHS3 compliance, ensuring regulatory alignment with the L6008V6TP. The substitute parts from STMicroelectronics offer extended operating temperature ranges (-40°C to 125°C versus -40°C to 110°C), providing improved thermal margin in applications requiring higher temperature operation.

The primary design consideration is the reduced on-state current rating of 4 A in substitute parts compared to the 8 A rating of the L6008V6TP. Circuit designs operating at currents exceeding 4 A RMS require the original L6008V6TP or equivalent 8 A rated devices. For applications operating at 4 A or below, all three substitute parts are electrically compatible.

T410-600H exhibits higher gate trigger current (10 mA) and hold current (15 mA) specifications compared to T405-600H and T405Q-600H, which may affect gate drive circuit design in sensitive applications.

Frequently Asked Questions (FAQ)

Q: Can T405-600H, T405Q-600H, or T410-600H be used as direct replacements for L6008V6TP?

A: Direct replacement is possible only if circuit current requirements do not exceed 4 A RMS. The substitute parts are electrically compatible in voltage, gate trigger characteristics, and package configuration but have reduced current-handling capacity.

Q: What is the difference between T405-600H and T405Q-600H?

A: Both parts share identical electrical specifications. The primary difference is the supplier device package designation: T405-600H is specified as TO-251 (IPAK), while T405Q-600H is specified as I-PAK. Both fit the same TO-251-3 Short Leads package footprint.

Q: How does T410-600H differ from T405-600H?

A: T410-600H has higher gate trigger current (10 mA maximum versus 5 mA) and higher hold current (15 mA maximum versus 10 mA). These differences may require gate drive circuit adjustment in applications with marginal gate drive capability.

Q: Are all substitute parts RoHS compliant?

A: Yes, all substitute parts are ROHS3 compliant, matching the compliance status of the L6008V6TP.

Q: What is the operating temperature difference between L6008V6TP and substitute parts?

A: The L6008V6TP operates from -40°C to 110°C junction temperature. All substitute parts extend the upper limit to 125°C, providing 15°C additional thermal margin.

Q: Can I use a 4 A rated substitute in an 8 A application?

A: No. Using a 4 A rated device in an 8 A application exceeds the component's maximum on-state current rating and will result in device failure or thermal damage.

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