S6010VS3 Equivalent & Substitute Parts

Part Overview

The S6010VS3 is a 600V 10A sensitive gate SCR (silicon-controlled rectifier) in TO-251 through-hole packaging manufactured by Littelfuse Inc. This thyristor is designed for applications requiring controlled rectification and switching at moderate current levels with sensitive gate triggering characteristics. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines that maintain compatibility with existing circuit designs.

Key Parameters

Parameter	S6010VS3
Voltage - Off State	600 V
Voltage - Gate Trigger (Vgt) (Max)	800 mV
Current - Gate Trigger (Igt) (Max)	500 µA
Voltage - On State (Vtm) (Max)	1.6 V
Current - On State (It (RMS)) (Max)	10 A
Current - Hold (Ih) (Max)	8 mA
Current - Off State (Max)	5 µA
SCR Type	Sensitive Gate
Operating Temperature	-40°C ~ 110°C
Mounting Type	Through Hole
Package / Case	TO-251-3 Short Leads, IPak, TO-251AA
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the S6010VS3 is determined by the following critical parameters:

Voltage Rating: Off-state voltage must be 600V to maintain circuit voltage compatibility
SCR Type: Sensitive gate characteristic is required for gate trigger voltage and current specifications
Mounting Type: Through-hole packaging is necessary for PCB compatibility
Package Format: TO-251 (IPAK) package maintains mechanical and thermal interface compatibility
On-State Current Rating: Current capacity must meet or exceed the 10A RMS requirement
Gate Trigger Specifications: Vgt (Max) 800 mV and Igt (Max) 500 µA define gate drive circuit compatibility
On-State Voltage: Vtm (Max) 1.6V ensures thermal and power dissipation characteristics remain within design parameters
Temperature Range: Operating range must support the application environment

Substitute parts are grouped by their ability to satisfy these parameters while maintaining functional equivalence in circuit operation.

Parameter Comparison

Parameter	S6010VS3	TS1220-600H	TS820-600H	TN1215-600H	MCR708A1G
Voltage - Off State	600 V	600 V	600 V	600 V	600 V
Voltage - Gate Trigger (Vgt) (Max)	800 mV	800 mV	800 mV	1.3 V	800 mV
Current - Gate Trigger (Igt) (Max)	500 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	2.2 V
Current - On State (It (RMS)) (Max)	10 A	12 A	8 A	12 A	4 A
Current - Hold (Ih) (Max)	8 mA	5 mA	5 mA	40 mA	5 mA
Current - Off State (Max)	5 µA	5 µA	5 µA	5 µA	10 µA
SCR Type	Sensitive Gate	Sensitive Gate	Sensitive Gate	Standard Recovery	Sensitive Gate
Operating Temperature	-40°C ~ 110°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 110°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Surface Mount
Package / Case	TO-251-3 Short Leads, IPak, TO-251AA	TO-251-3 Short Leads, IPak, TO-251AA	TO-251-3 Short Leads, IPak, TO-251AA	TO-251-3 Short Leads, IPak, TO-251AA	TO-252-3, DPAK (2 Leads + Tab), SC-63
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Discontinued at DiGi Electronics	Active	Active	Active	Active

Engineering Selection Recommendations

TS1220-600H (STMicroelectronics) is the primary substitute for the S6010VS3. This part maintains identical voltage ratings, gate trigger specifications, on-state voltage, and package format. The TS1220-600H provides 12A RMS current capacity, exceeding the 10A requirement of the original part. Both devices are sensitive gate SCRs with matching TO-251 through-hole packaging. The TS1220-600H is active in production with ROHS3 compliance and extended operating temperature range to 125°C.

TS820-600H (STMicroelectronics) is a secondary substitute suitable for applications where the 10A RMS current requirement can be met by the 8A RMS rating. This part shares identical voltage ratings, gate trigger specifications, and on-state voltage with the S6010VS3. The TS820-600H maintains the same sensitive gate SCR type and TO-251 through-hole package. This option is appropriate when circuit current demands do not exceed 8A RMS.

TN1215-600H (STMicroelectronics) provides functional substitution with 12A RMS current capacity and identical voltage ratings and on-state voltage. However, this part is classified as Standard Recovery SCR type rather than Sensitive Gate, with higher gate trigger current (15 mA maximum) and hold current (40 mA maximum). The TN1215-600H is suitable only when gate drive circuit design accommodates these different triggering characteristics.

MCR708A1G (Littelfuse Inc.) is not recommended as a direct substitute due to surface mount TO-252 (DPAK) packaging, which is incompatible with through-hole PCB designs. Additionally, the 4A RMS current rating is insufficient for the 10A requirement of the original application. This part is suitable only for new surface mount designs with reduced current requirements.

Frequently Asked Questions (FAQ)

Q: Can TS1220-600H directly replace S6010VS3 in existing circuit boards?

A: Yes. Both parts use identical TO-251 through-hole packaging with the same pinout and mechanical interface. The TS1220-600H maintains all critical electrical parameters: 600V off-state voltage, 800 mV maximum gate trigger voltage, 1.6V maximum on-state voltage, and sensitive gate SCR type. The higher 12A RMS current rating provides additional design margin.

Q: What is the difference between Sensitive Gate and Standard Recovery SCR types?

A: Sensitive Gate SCRs are designed for low gate trigger current and voltage, enabling direct gate drive from logic circuits. Standard Recovery SCRs require higher gate drive current and voltage. The TN1215-600H (Standard Recovery) requires 15 mA gate trigger current compared to 200 µA for the TS1220-600H (Sensitive Gate), making it incompatible with gate drive circuits designed for the S6010VS3.

Q: Why is MCR708A1G listed as a substitute if it cannot replace S6010VS3?

A: MCR708A1G is listed in the original S6010VS3 substitute field but is not a functional equivalent due to surface mount packaging and insufficient current rating. This part is suitable only for new designs that do not require through-hole mounting and can operate at 4A RMS or below.

Q: Does the extended temperature range of TS1220-600H affect compatibility?

A: No. The TS1220-600H operating range of -40°C to 125°C encompasses the S6010VS3 range of -40°C to 110°C. Extended temperature capability does not create compatibility issues and may provide additional design margin for applications in elevated temperature environments.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (TS1220-600H, TS820-600H, TN1215-600H, and MCR708A1G) are ROHS3 compliant, matching the compliance status of the S6010VS3.

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