S6010VS2 Equivalent & Substitute Parts

Part Overview

The S6010VS2 is a 600V, 10A sensitive gate SCR (silicon controlled rectifier) in TO-251 through-hole packaging manufactured by Littelfuse. This component is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. The part operates across -40°C to 110°C and is ROHS3 compliant. Substitute parts must maintain electrical compatibility across voltage ratings, gate trigger characteristics, and current handling specifications while accommodating packaging and mounting type variations.

Key Parameters

Parameter	S6010VS2
Voltage - Off State	600 V
Voltage - Gate Trigger (Vgt) (Max)	800 mV
Current - Gate Trigger (Igt) (Max)	200 µA
Voltage - On State (Vtm) (Max)	1.6 V
Current - On State (It (RMS)) (Max)	10 A
Current - Hold (Ih) (Max)	6 mA
SCR Type	Sensitive Gate
Mounting Type	Through Hole
Package / Case	TO-251-3 Short Leads, IPak, TO-251AA
Operating Temperature	-40°C ~ 110°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Voltage Rating (Off State): All substitutes must maintain 600V off-state voltage rating
SCR Type: Sensitive gate operation is required for gate trigger compatibility
Gate Trigger Characteristics: Vgt (Max) 800 mV and Igt (Max) 200 µA define circuit activation behavior
On-State Voltage: Vtm (Max) 1.6 V ensures forward voltage drop compatibility
Current Rating: RMS current capacity determines thermal and power handling equivalence
Mounting Type: Through-hole packaging is required for mechanical compatibility
Package Format: TO-251 (IPAK/I-Pak) footprint compatibility

Substitutes are grouped into three categories:

Direct Equivalents (Identical Specifications): Parts with matching electrical parameters and through-hole TO-251 packaging.

Current-Rated Alternatives (Higher Current Capacity): Parts with 12A or 8A RMS ratings that exceed the 10A requirement, maintaining all other electrical parameters.

Functional Alternatives (Lower Current Capacity): Parts with 4A RMS ratings that fall below the 10A requirement but maintain voltage and gate trigger specifications.

Parameter Comparison

Parameter	S6010VS2	S6010VS2TP	TS1220-600H	TS820-600H	TS420-600H	TN1215-600H	MCR708A1G
Voltage - Off State	600 V	600 V	600 V	600 V	600 V	600 V	600 V
Voltage - Gate Trigger (Vgt) (Max)	800 mV	800 mV	800 mV	800 mV	800 mV	1.3 V	800 mV
Current - Gate Trigger (Igt) (Max)	200 µA	200 µA	200 µA	200 µA	200 µA	15 mA	75 µA
Voltage - On State (Vtm) (Max)	1.6 V	1.6 V	1.6 V	1.6 V	1.6 V	1.6 V	2.2 V
Current - On State (It (RMS)) (Max)	10 A	10 A	12 A	8 A	4 A	12 A	4 A
Current - Hold (Ih) (Max)	6 mA	6 mA	5 mA	5 mA	5 mA	40 mA	5 mA
SCR Type	Sensitive Gate	Sensitive Gate	Sensitive Gate	Sensitive Gate	Sensitive Gate	Standard Recovery	Sensitive Gate
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Surface Mount
Package / Case	TO-251-3	TO-251-3	TO-251-3	TO-251-3	TO-251-3	TO-251-3	TO-252-3 (DPAK)
Operating Temperature	-40°C ~ 110°C	-40°C ~ 110°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 110°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Discontinued	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

S6010VS2TP (Littelfuse, Tube Packaging): Direct electrical and mechanical equivalent with identical specifications. Differs only in packaging format (tube vs. bulk). Product status is active with 1800 units in stock. This is the primary substitute for direct replacement.

TS1220-600H (STMicroelectronics): Meets all electrical requirements with 12A RMS current capacity, exceeding the 10A specification. Sensitive gate operation with matching gate trigger parameters. Extended operating temperature range (-40°C to 125°C). Through-hole TO-251 packaging. 41,300 units in stock. Suitable for applications requiring higher current margin.

TS820-600H (STMicroelectronics): Provides 8A RMS current capacity, below the 10A specification. Maintains all gate trigger and voltage parameters. Through-hole TO-251 packaging. Extended operating temperature range. 2,100 units in stock. Acceptable only for applications with reduced current requirements.

TS420-600H (STMicroelectronics): Provides 4A RMS current capacity, significantly below the 10A specification. Maintains gate trigger and voltage parameters. Through-hole TO-251 packaging. 1,898 units in stock. Not suitable for applications requiring full 10A capacity.

TN1215-600H (STMicroelectronics): Standard recovery SCR with 12A RMS capacity. Differs from sensitive gate type with higher gate trigger voltage (1.3V max) and current (15 mA max). Higher hold current (40 mA). Through-hole TO-251 packaging. 2,100 units in stock. Substitution requires circuit validation due to different gate characteristics.

MCR708A1G (Littelfuse): Surface mount TO-252 (DPAK) package, incompatible with through-hole TO-251 footprint. 4A RMS current capacity below specification. Higher on-state voltage (2.2V). Requires PCB redesign. 8,425 units in stock. Not recommended for direct substitution without layout modification.

Frequently Asked Questions (FAQ)

Q: Can S6010VS2TP directly replace S6010VS2?

A: Yes. S6010VS2TP is electrically and mechanically identical to S6010VS2. The only difference is packaging format (tube vs. bulk). Both are Littelfuse sensitive gate SCRs with 600V, 10A specifications and TO-251 through-hole mounting.

Q: What is the difference between sensitive gate and standard recovery SCRs?

A: Sensitive gate SCRs (S6010VS2, TS1220-600H, TS820-600H, TS420-600H) require lower gate trigger current (200 µA max) and voltage (800 mV max) for activation. Standard recovery SCRs (TN1215-600H) require higher gate trigger current (15 mA max) and voltage (1.3V max). Circuit gate drive requirements must match the SCR type.

Q: Can TS1220-600H replace S6010VS2 in a 10A application?

A: Yes. TS1220-600H provides 12A RMS capacity, exceeding the 10A requirement. All electrical parameters match or exceed S6010VS2 specifications. Through-hole TO-251 packaging is identical. Extended operating temperature range (-40°C to 125°C) provides additional margin.

Q: Why is MCR708A1G not suitable as a substitute?

A: MCR708A1G uses surface mount TO-252 (DPAK) packaging, incompatible with through-hole TO-251 footprints. Current capacity is 4A RMS, below the 10A specification. On-state voltage is 2.2V, exceeding the 1.6V maximum. PCB redesign would be required.

Q: Can TS420-600H be used in place of S6010VS2?

A: TS420-600H maintains voltage and gate trigger specifications but provides only 4A RMS capacity versus the 10A requirement. Use is limited to applications with reduced current demands. Full 10A operation would exceed component ratings.

Q: What are the temperature operating range differences?

A: S6010VS2 operates -40°C to 110°C. STMicroelectronics substitutes (TS1220-600H, TS820-600H, TS420-600H, TN1215-600H) operate -40°C to 125°C, providing 15°C additional margin. MCR708A1G operates -40°C to 110°C, matching the original specification.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitutes maintain ROHS3 compliance, matching the original S6010VS2 specification.

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