TIC206S-S TRIAC Equivalent & Substitute Parts

Part Overview

The TIC206S-S is a Logic - Sensitive Gate TRIAC manufactured by Bourns Inc., rated for 700 V off-state voltage and 4 A on-state current in a TO-220-3 through-hole package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	TIC206S-S
Manufacturer	Bourns Inc.
Category	Thyristors
Triac Type	Logic - Sensitive Gate
Voltage - Off State	700 V
Current - On State (It (RMS)) (Max)	4 A
Voltage - Gate Trigger (Vgt) (Max)	2 V
Current - Gate Trigger (Igt) (Max)	5 mA
Current - Hold (Ih) (Max)	15 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)	25 A @ 50Hz
Configuration	Single
Operating Temperature	-40°C ~ 110°C (TC)
Mounting Type	Through Hole
Package / Case	TO-220-3
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the TIC206S-S is determined by the following critical parameters:

Voltage Rating (Off State): 700 V minimum
Current Rating (On State): 4 A minimum
Triac Type: Logic - Sensitive Gate preferred for gate-trigger compatibility
Package: TO-220-3 through-hole configuration
Gate Trigger Voltage (Vgt): Maximum 2 V for sensitive gate operation
Gate Trigger Current (Igt): Maximum 5 mA for sensitive gate operation

Parts meeting these criteria are classified as direct substitutes. Parts with higher current ratings (10 A) or different triac types (Standard instead of Logic - Sensitive Gate) are classified as functional alternatives with design considerations.

Parameter Comparison

Parameter	TIC206S-S	T410-700T	ACST1010-7T	ACST1035-7T	BTB16-700SWRG
Manufacturer	Bourns Inc.	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Triac Type	Logic - Sensitive Gate	Logic - Sensitive Gate	Logic - Sensitive Gate	Standard	Standard
Voltage - Off State	700 V	700 V	700 V	700 V	100 V
Current - On State (It (RMS)) (Max)	4 A	4 A	10 A	10 A	16 A
Voltage - Gate Trigger (Vgt) (Max)	2 V	1.3 V	1 V	1 V	1.3 V
Current - Gate Trigger (Igt) (Max)	5 mA	10 mA	10 mA	35 mA	10 mA
Current - Hold (Ih) (Max)	15 mA	15 mA	30 mA	50 mA	Not specified
Current - Non Rep. Surge 50, 60Hz (Itsm)	25 A @ 50Hz	30 A, 31 A	100 A, 105 A	100 A, 105 A	160 A, 168 A
Operating Temperature	-40°C ~ 110°C (TC)	-40°C ~ 125°C (TJ)	-40°C ~ 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	TO-220-3
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitute (Preferred): T410-700T (STMicroelectronics) is the primary substitute for TIC206S-S. Both are Logic - Sensitive Gate TRIACs with identical 700 V and 4 A ratings, matching gate-trigger specifications, and TO-220-3 packaging. T410-700T is active in production with ROHS3 compliance and extended operating temperature range (-40°C ~ 125°C).

Functional Alternatives (Higher Current Rating): ACST1010-7T (STMicroelectronics) is a Logic - Sensitive Gate TRIAC with 700 V rating and 10 A on-state current. This part provides higher current capacity while maintaining sensitive gate characteristics. Gate-trigger parameters are compatible (Vgt 1 V, Igt 10 mA). Active production status and ROHS3 compliance apply.

Functional Alternative (Standard Gate Type): ACST1035-7T (STMicroelectronics) is a Standard TRIAC with 700 V rating and 10 A on-state current. This part differs in gate-trigger characteristics (Vgt 1 V, Igt 35 mA, Ih 50 mA), requiring circuit evaluation for gate-drive compatibility. Active production status and ROHS3 compliance apply.

Not Recommended: BTB16-700SWRG (STMicroelectronics) has a 100 V off-state voltage rating, which does not meet the 700 V requirement of the TIC206S-S application. This part is unsuitable for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can T410-700T directly replace TIC206S-S without circuit modification? A: Yes. T410-700T matches all critical electrical parameters: 700 V off-state voltage, 4 A on-state current, Logic - Sensitive Gate type, and TO-220-3 package. Both components have identical gate-trigger voltage and current specifications within acceptable tolerances.

Q: What is the difference between Logic - Sensitive Gate and Standard TRIAC types? A: Logic - Sensitive Gate TRIACs require lower gate-trigger current (typically 5-10 mA) and voltage (1-2 V) for reliable triggering. Standard TRIACs require higher gate-trigger current (typically 35 mA or higher). Circuit gate-drive design must match the TRIAC type selected.

Q: Can ACST1010-7T be used in place of TIC206S-S? A: ACST1010-7T is a functional alternative with higher current capacity (10 A vs. 4 A). It maintains Logic - Sensitive Gate characteristics and 700 V rating. Applications requiring only 4 A will operate within safe margins. Thermal management and PCB layout may require evaluation due to higher current capability.

Q: Why is BTB16-700SWRG listed as unsuitable? A: BTB16-700SWRG has a 100 V off-state voltage rating, which is insufficient for applications requiring 700 V blocking capability. This part cannot be substituted for TIC206S-S.

Q: Are all substitute parts ROHS3 compliant? A: Yes. T410-700T, ACST1010-7T, ACST1035-7T, and BTB16-700SWRG are all ROHS3 compliant. All parts are REACH unaffected and classified as EAR99 for export control purposes.

Q: What is the operating temperature difference between TIC206S-S and substitute parts? A: TIC206S-S operates from -40°C to 110°C (TC). All active substitute parts (T410-700T, ACST1010-7T, ACST1035-7T, BTB16-700SWRG) operate from -40°C to 125°C (TJ), providing extended high-temperature capability.

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