TIC116M-S Equivalent & Substitute Parts

Part Overview

The TIC116M-S is a Silicon Controlled Rectifier (SCR) rated for 600V off-state voltage and 8A RMS current, manufactured by Bourns Inc. 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.

The TIC116M-S features standard recovery characteristics with a maximum gate trigger voltage of 1.5V and gate trigger current of 20mA. Its on-state voltage is 1.7V maximum at 5A average current, with a holding current specification of 40mA. The device operates across a temperature range of -40°C to 110°C and is RoHS3 compliant.

Substiute Parts

TIC116M-S

Bourns Inc.In Stock: 9116TIC116M-S Datasheet

Current PartRFQ

MCR8SMG

onsemiIn Stock: 4771MCR8SMG Datasheet

DirectRFQ

TYN616RG

STMicroelectronicsIn Stock: 28563TYN616RG Datasheet

SimilarRFQ

TYN625RG

STMicroelectronicsIn Stock: 1564TYN625RG Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TIC116M-S is determined by the following critical parameters:

• Off-state voltage rating: 600V minimum
• RMS current rating: 8A minimum
• Package compatibility: TO-220-3 through-hole configuration
• Gate trigger characteristics: voltage and current specifications within acceptable operating margins
• On-state voltage: maximum 1.8V to ensure thermal performance compatibility
• Operating temperature range: minimum -40°C to 110°C coverage

The substitute parts are grouped into two categories:

Direct Functional Equivalent (MCR8SMG): Matches the 8A RMS current rating and 600V voltage specification. Features sensitive gate characteristics with lower gate trigger current (200µA vs 20mA), reducing gate drive requirements while maintaining electrical compatibility.

Higher Current Capacity Alternatives (TYN616RG, TYN625RG): Rated for 16A and 25A RMS respectively, these parts provide increased current handling capability while maintaining the 600V voltage rating and TO-220-3 package. These are suitable for applications requiring design margin or future current expansion.

Parameter Comparison

Engineering Selection Recommendations

MCR8SMG (onsemi): Select this part for direct replacement in applications requiring identical 8A RMS current rating. The sensitive gate characteristic reduces gate drive circuit complexity. Active product status ensures long-term availability. Operating temperature range matches the original specification.

TYN616RG (STMicroelectronics): Select this part when design margin for current capacity is required or when future load expansion is anticipated. The 16A RMS rating provides 2x headroom over the original 8A specification. Active product status and extended temperature range (-40 to 125°C) support demanding environments. RoHS3 compliance and REACH unaffected status confirm regulatory alignment.

TYN625RG (STMicroelectronics): Select this part for applications requiring maximum current capacity within the TO-220-3 package envelope. The 25A RMS rating and 300A/314A surge current capability support high-power switching applications. Active product status, RoHS3 compliance, and extended temperature range provide long-term design security.

All substitute parts maintain 600V off-state voltage rating, TO-220-3 package compatibility, and through-hole mounting configuration. Gate trigger voltage specifications remain within acceptable design margins for existing gate drive circuits.

Frequently Asked Questions (FAQ)

Q: Can MCR8SMG replace TIC116M-S in existing designs without circuit modification?

A: MCR8SMG is electrically compatible as a direct 8A RMS substitute. The sensitive gate characteristic (200µA trigger current vs 20mA) reduces gate drive requirements but does not prevent operation with existing circuits designed for standard gate specifications. Verify gate drive circuit can supply the lower trigger current threshold.

Q: What is the primary difference between MCR8SMG and the TYN616RG/TYN625RG substitutes?

A: MCR8SMG matches the original 8A RMS current rating and is classified as sensitive gate type. TYN616RG and TYN625RG are standard recovery SCRs with higher current ratings (16A and 25A respectively), providing design margin and future capacity expansion capability.

Q: Are all substitute parts available in the same TO-220-3 package?

A: Yes. All substitute parts use TO-220-3 through-hole package configuration, ensuring mechanical and thermal compatibility with existing PCB layouts and heat sink mounting arrangements.

Q: Does the extended temperature range of TYN616RG and TYN625RG (-40 to 125°C vs -40 to 110°C) affect circuit design?

A: The extended upper temperature limit provides additional thermal margin but does not require circuit redesign. Applications operating within the original -40 to 110°C range remain fully compatible.

Q: What is the significance of the sensitive gate characteristic in MCR8SMG?

A: Sensitive gate SCRs require lower gate trigger current (200µA vs 20mA standard). This reduces gate drive circuit power dissipation and component stress. Existing gate drive circuits designed for standard gate devices will operate reliably with sensitive gate substitutes.

Q: Are all substitute parts RoHS3 compliant?

A: TYN616RG and TYN625RG are explicitly RoHS3 compliant. MCR8SMG compliance status is not specified in available documentation. Verify RoHS compliance requirements with the component supplier for MCR8SMG applications.

Q: Can TYN625RG be used in place of TIC116M-S for 8A applications?

A: Yes. TYN625RG is rated for 25A RMS, providing 3.1x design margin over the 8A requirement. The 600V voltage rating, TO-220-3 package, and gate trigger specifications ensure full electrical and mechanical compatibility. Higher current capacity does not degrade performance in lower-current applications.