TIC206M-S Equivalent & Substitute Parts

Part Overview

The TIC206M-S is a Logic-Sensitive Gate TRIAC manufactured by Bourns Inc., rated for 600V off-state voltage and 4A 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 production continuity. Substitute TRIACs must maintain compatibility across voltage rating, current capacity, gate sensitivity, and thermal operating range to ensure functional equivalence in circuit applications.

Key Parameters

Parameter	TIC206M-S Value	Unit
Voltage - Off State	600	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
Operating Temperature Range	-40°C to 110°C	°C
Package / Case	TO-220-3	—
Mounting Type	Through Hole	—
Triac Type	Logic - Sensitive Gate	—

Substitute Part Grouping Explanation

Substitution logic for the TIC206M-S is based on the following critical parameters:

Voltage Rating (Off-State): All substitutes must maintain 600V off-state voltage for circuit protection equivalence.
Current Rating (On-State): Substitutes are grouped by current capacity. Direct equivalents maintain 4A; higher-current variants (6A, 8A, 12A, 16A) are suitable where circuit design permits increased current handling.
Gate Trigger Voltage (Vgt): The TIC206M-S specifies 2V maximum. Substitutes with lower Vgt (1.3V) offer improved gate sensitivity and are functionally compatible for sensitive-gate applications.
Gate Trigger Current (Igt): The TIC206M-S specifies 5mA maximum. Substitutes with 10mA maximum remain within acceptable gate drive requirements for standard control circuits.
Hold Current (Ih): All substitutes maintain 15mA maximum, ensuring consistent latching behavior.
Operating Temperature: The TIC206M-S operates -40°C to 110°C. Substitutes rated to -40°C to 125°C provide extended thermal margin and are directly compatible.
Package and Mounting: All substitutes use TO-220-3 through-hole packaging, ensuring mechanical and thermal interface compatibility.

Parameter Comparison

Part Number	Manufacturer	Voltage - Off State (V)	Current - On State (A)	Vgt (Max) (V)	Igt (Max) (mA)	Ih (Max) (mA)	Operating Temp (°C)	Product Status
TIC206M-S	Bourns Inc.	600	4	2	5	15	-40 to 110	Obsolete
BTB04-600SL	STMicroelectronics	600	4	1.3	10	15	-40 to 125	Active
T410-600T	STMicroelectronics	600	4	1.3	10	15	-40 to 125	Active
MAC228A8TG	onsemi	600	8	2	5	15	-40 to 110	Active
MAC228A8G	Littelfuse Inc.	600	8	2	5	15	-40 to 110	Active
BTB06-600SWRG	STMicroelectronics	600	6	1.3	10	15	-40 to 125	Active
BTB08-600SWRG	STMicroelectronics	600	8	1.3	10	15	-40 to 125	Active
BTB12-600SWRG	STMicroelectronics	600	12	1.3	10	15	-40 to 125	Active
BTB16-600SWRG	STMicroelectronics	600	16	1.3	10	15	-40 to 125	Active

Engineering Selection Recommendations

Direct Current-Rated Equivalents (4A)

BTB04-600SL and T410-600T are direct functional equivalents for 4A applications. Both are manufactured by STMicroelectronics and carry Active product status. BTB04-600SL is available in Bulk packaging with 177,450 units in stock; T410-600T is supplied in Tube packaging with 61,100 units in stock. Both feature improved gate sensitivity (Vgt 1.3V vs. 2V) and extended operating temperature to 125°C, providing superior performance margins over the obsolete TIC206M-S.

Higher Current Variants (6A, 8A, 12A, 16A)

STMicroelectronics BTB series components (BTB06-600SWRG, BTB08-600SWRG, BTB12-600SWRG, BTB16-600SWRG) provide current ratings above the 4A specification. These are suitable for applications where circuit design permits increased current capacity. All maintain 600V voltage rating, 1.3V gate trigger voltage, and -40°C to 125°C operating range. Product status is Active for all variants.

Current-Matched Alternatives with Matching Gate Characteristics

MAC228A8TG (onsemi) and MAC228A8G (Littelfuse Inc.) are 8A TRIACs with gate characteristics matching the TIC206M-S (Vgt 2V, Igt 5mA). Both maintain -40°C to 110°C operating temperature and Active product status. These are suitable where 8A current capacity is acceptable and gate drive characteristics must match the original design.

All substitute parts are RoHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can BTB04-600SL or T410-600T directly replace TIC206M-S in existing designs?

A: Yes. Both maintain identical voltage (600V) and current (4A) ratings, hold current (15mA), and TO-220-3 package. The lower gate trigger voltage (1.3V vs. 2V) and higher gate trigger current (10mA vs. 5mA) are compatible with standard gate drive circuits. Extended operating temperature (-40°C to 125°C) provides additional thermal margin.

Q: What is the difference between BTB04-600SL and T410-600T?

A: Both are 4A, 600V Logic-Sensitive Gate TRIACs from STMicroelectronics with identical electrical specifications. BTB04-600SL is supplied in Bulk packaging; T410-600T is supplied in Tube packaging. Selection depends on procurement and handling requirements.

Q: Can I use an 8A TRIAC (MAC228A8TG, MAC228A8G, or BTB08-600SWRG) in place of the 4A TIC206M-S?

A: Yes, if circuit design permits. All three maintain 600V voltage rating and TO-220-3 package. MAC228A8TG and MAC228A8G match the original gate characteristics (Vgt 2V, Igt 5mA). BTB08-600SWRG features lower gate trigger voltage (1.3V) and higher gate trigger current (10mA). Higher current rating does not degrade performance in 4A applications.

Q: Are there inventory considerations for substitute selection?

A: Yes. BTB04-600SL has the highest inventory (177,450 units), followed by T410-600T (61,100 units). MAC228A8TG and BTB08-600SWRG have moderate availability (2,350 and 10,399 units respectively). Higher-current variants (BTB12-600SWRG, BTB16-600SWRG) have lower stock levels (2,195 and 2,142 units).

Q: Do all substitutes meet the same compliance standards as TIC206M-S?

A: Yes. All substitute parts listed are RoHS3 compliant and REACH unaffected, matching the regulatory status of the original component.

Q: What is the significance of gate trigger voltage (Vgt) differences?

A: The TIC206M-S specifies Vgt 2V maximum. Substitutes with Vgt 1.3V (STMicroelectronics BTB series) require lower gate voltage to trigger, improving gate sensitivity. This is compatible with standard gate drive circuits and does not require design modification. Substitutes with matching Vgt 2V (MAC228A8TG, MAC228A8G) provide identical gate drive requirements to the original.

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