TIC116N-S Equivalent & Substitute Parts

Part Overview

The TIC116N-S is an 800V 8A standard recovery SCR (silicon-controlled rectifier) in TO-220-3 package manufactured by Bourns Inc. This thyristor is designed for general-purpose AC switching and control applications. The part is currently obsolete, making equivalent substitutes necessary for ongoing system maintenance and new designs requiring compatible performance characteristics.

Key Parameters

Parameter	Value
Voltage - Off State	800 V
Current - On State (It (RMS)) (Max)	8 A
Voltage - On State (Vtm) (Max)	1.7 V
Voltage - Gate Trigger (Vgt) (Max)	1.5 V
Current - Gate Trigger (Igt) (Max)	20 mA
Current - Hold (Ih) (Max)	40 mA
SCR Type	Standard Recovery
Operating Temperature	-40°C ~ 110°C
Package / Case	TO-220-3
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitution for the TIC116N-S is determined by the following critical parameters:

Voltage Rating (Off State): Must be 800V minimum to maintain blocking capability
Current Rating (RMS): Must support 8A RMS or higher for equivalent or upgraded performance
Package Type: TO-220-3 or compatible TO-220 variants for mechanical and thermal compatibility
SCR Type: Standard Recovery or Sensitive Gate variants acceptable based on gate drive requirements
Operating Temperature Range: Must cover the application's thermal envelope
RoHS Compliance: ROHS3 compliance required for regulatory alignment

Substitute parts are grouped into two categories:

Direct Substitutes (Pin-Compatible, Sensitive Gate): MCR8SNG offers identical voltage and current ratings with improved gate sensitivity, reducing gate drive requirements.

Similar Substitutes (Higher Current Ratings): MCR8NG, TYN816RG, and TYN825RG provide 800V blocking voltage with equal or higher RMS current ratings, suitable for applications requiring additional current margin or future design upgrades.

Parameter Comparison

Parameter	TIC116N-S	MCR8SNG	MCR8NG	TYN816RG	TYN825RG
Manufacturer	Bourns Inc.	Littelfuse Inc.	Littelfuse Inc.	STMicroelectronics	STMicroelectronics
Voltage - Off State	800 V	800 V	800 V	800 V	800 V
Current - On State (It (RMS)) (Max)	8 A	8 A	8 A	16 A	25 A
Voltage - On State (Vtm) (Max)	1.7 V	1.8 V	1.8 V	1.6 V	1.6 V
Voltage - Gate Trigger (Vgt) (Max)	1.5 V	1 V	1 V	1.5 V	1.3 V
Current - Gate Trigger (Igt) (Max)	20 mA	200 µA	15 mA	25 mA	40 mA
Current - Hold (Ih) (Max)	40 mA	6 mA	30 mA	40 mA	50 mA
SCR Type	Standard Recovery	Sensitive Gate	Standard Recovery	Standard Recovery	Standard Recovery
Operating Temperature	-40°C ~ 110°C	-40°C ~ 110°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
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

MCR8SNG is the primary direct substitute for TIC116N-S. It maintains identical voltage and current specifications while offering improved gate sensitivity (200 µA trigger current vs. 20 mA). This part is actively manufactured by Littelfuse Inc., ROHS3 compliant, and available in high inventory. The sensitive gate characteristic reduces gate drive circuit complexity.

MCR8NG provides an alternative direct substitute with standard gate recovery characteristics matching the original TIC116N-S gate trigger current (15 mA). This part is actively produced by Littelfuse Inc., ROHS3 compliant, and supports an extended operating temperature range to 125°C.

TYN816RG and TYN825RG are higher-current alternatives from STMicroelectronics, offering 16A and 25A RMS ratings respectively at the same 800V blocking voltage. These parts are suitable for applications requiring current margin or future design upgrades. Both are actively manufactured, ROHS3 compliant, and support -40°C to 125°C operation.

All substitute parts are actively produced, ROHS3 compliant, and available in production quantities, ensuring supply chain continuity for the obsolete TIC116N-S.

Frequently Asked Questions (FAQ)

Q: Can MCR8SNG directly replace TIC116N-S in existing designs? A: Yes. MCR8SNG is pin-compatible in TO-220-3 package with identical 800V/8A ratings. The lower gate trigger current (200 µA vs. 20 mA) may reduce gate drive circuit power consumption but does not prevent direct substitution.

Q: What is the difference between MCR8SNG and MCR8NG? A: MCR8SNG is a sensitive gate variant with 200 µA trigger current and 6 mA hold current. MCR8NG is standard recovery with 15 mA trigger current and 30 mA hold current. Both maintain 800V/8A specifications. Selection depends on gate drive circuit design.

Q: Why are TYN816RG and TYN825RG listed as substitutes if they have higher current ratings? A: These parts maintain the 800V blocking voltage and TO-220-3 package compatibility. Higher current ratings (16A and 25A) provide design margin and are electrically compatible with 8A applications. They are suitable for applications requiring future current upgrades or redundancy.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitutes (MCR8SNG, MCR8NG, TYN816RG, TYN825RG) are ROHS3 compliant, matching the original TIC116N-S compliance status.

Q: What is the operating temperature difference between TIC116N-S and the substitutes? A: TIC116N-S operates -40°C to 110°C. MCR8SNG matches this range. MCR8NG, TYN816RG, and TYN825RG extend to -40°C to 125°C, providing additional thermal margin for high-temperature applications.

Q: Are there package variations among the substitutes? A: All substitutes use TO-220-3 or compatible TO-220 package variants. MCR8SNG and MCR8NG use TO-220AB supplier packaging. TYN816RG and TYN825RG use standard TO-220 packaging. All are mechanically compatible with TO-220-3 footprints.

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