L6006V6TP Equivalent & Substitute Parts

Part Overview

The L6006V6TP is a Logic - Sensitive Gate TRIAC manufactured by Littelfuse Inc., rated for 600 V off-state voltage and 6 A on-state current in a TO-251 through-hole package. This component is Active in product status and ROHS3 compliant. Substitute parts are identified when equivalent electrical characteristics and mechanical compatibility are maintained within the allowed parameter tolerances for this thyristor category.

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)	5 mA
Current - Hold (Ih) (Max)	10 mA
Mounting Type	Through Hole
Package / Case	TO-251-3 Short Leads, IPak, TO-251AA
Operating Temperature	-40°C ~ 110°C (TJ)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the L6006V6TP are qualified based on the following criteria:

Matching voltage rating: 600 V off-state voltage
Compatible gate trigger characteristics: Vgt (Max) 1.3 V and Igt (Max) within acceptable range
Through-hole mounting in TO-251 package family
Logic - Sensitive Gate TRIAC type classification
ROHS3 compliance and Active product status

The substitute parts T405-600H, T405Q-600H, and T410-600H from STMicroelectronics meet these core substitution parameters. Current rating differences (4 A vs. 6 A) and hold current variations are within the allowed parameter set for this component category and do not prevent substitution in applications where the lower current rating is acceptable.

Parameter Comparison

Parameter	L6006V6TP (Littelfuse)	T405-600H (STMicroelectronics)	T405Q-600H (STMicroelectronics)	T410-600H (STMicroelectronics)
Voltage - Off State	600 V	600 V	600 V	600 V
Current - On State (It (RMS)) (Max)	6 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
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All substitute parts maintain Active product status and ROHS3 compliance. The T405-600H and T405Q-600H are functionally equivalent with identical gate trigger specifications (Vgt and Igt at 5 mA maximum). The T410-600H differs in gate trigger current (10 mA maximum) and hold current (15 mA maximum), which may affect gate drive circuit requirements in sensitive applications.

Selection between T405-600H and T405Q-600H depends on package variant availability: T405-600H uses TO-251 (IPAK) supplier packaging, while T405Q-600H uses I-PAK supplier packaging. Both are mechanically compatible with TO-251-3 Short Leads footprints.

The current rating reduction from 6 A to 4 A across all substitute parts requires application-level verification that load current does not exceed the substitute part rating.

Frequently Asked Questions (FAQ)

Q: Can T405-600H, T405Q-600H, or T410-600H directly replace L6006V6TP in all applications?

A: Direct replacement is possible only when the application load current does not exceed 4 A. The substitute parts are rated for 4 A on-state current, compared to the L6006V6TP rating of 6 A. Gate trigger voltage and current characteristics are compatible.

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

A: Both parts have identical electrical specifications. The difference is in supplier device packaging: T405-600H uses TO-251 (IPAK) packaging, while T405Q-600H uses I-PAK packaging. Both are mechanically compatible with TO-251-3 Short Leads footprints.

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

A: T410-600H has higher gate trigger current (10 mA maximum vs. 5 mA) and higher hold current (15 mA maximum vs. 10 mA). These differences may require adjustment to gate drive circuit design. Voltage ratings and on-state current remain equivalent at 4 A.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. L6006V6TP, T405-600H, T405Q-600H, and T410-600H are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the operating temperature range for substitute parts?

A: Substitute parts operate from -40°C to 125°C (TJ), which exceeds the L6006V6TP range of -40°C to 110°C (TJ). This provides extended thermal margin in substitute selections.

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