S8010V Equivalent & Substitute Parts

Part Overview

The S8010V is an SCR (Silicon Controlled Rectifier) rated for 800V off-state voltage with 10A RMS current capacity, manufactured by Littelfuse Inc. in a through-hole TO-251 package. This component is classified as a Standard Recovery SCR and is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing applications and new designs.

Key Parameters

Parameter	Value
Voltage - Off State	800 V
Current - On State (It (RMS)) (Max)	10 A
Voltage - On State (Vtm) (Max)	1.6 V
Voltage - Gate Trigger (Vgt) (Max)	1.5 V
Current - Gate Trigger (Igt) (Max)	15 mA
Current - Hold (Ih) (Max)	30 mA
SCR Type	Standard Recovery
Operating Temperature Range	-40°C to 125°C
Mounting Type	Through Hole
Package / Case	TO-251-3

Substitute Part Grouping Explanation

Substitution of the S8010V is determined by the following critical electrical parameters:

Voltage Rating: Off-state voltage must be 800V or greater to maintain blocking capability
Current Rating: RMS current capacity must meet or exceed 10A to handle the same load
Gate Characteristics: Gate trigger voltage and current determine circuit compatibility; lower values indicate sensitive-gate designs
On-State Voltage: Forward voltage drop affects power dissipation and thermal performance
SCR Type: Standard Recovery vs. Sensitive Gate affects gate drive requirements
Package Compatibility: Mounting type (through-hole vs. surface mount) and physical dimensions determine PCB integration feasibility

The MCR12DSN-1G meets the core voltage and current requirements while offering improved gate sensitivity and higher current capacity. However, it differs in mounting technology (surface mount vs. through-hole) and SCR classification (Sensitive Gate vs. Standard Recovery).

Parameter Comparison

Parameter	S8010V	MCR12DSN-1G
Manufacturer	Littelfuse Inc.	Littelfuse Inc.
Category	Thyristors (SCR)	Thyristors (SCR)
Voltage - Off State	800 V	800 V
Current - On State (It (RMS)) (Max)	10 A	12 A
Voltage - On State (Vtm) (Max)	1.6 V	1.9 V
Voltage - Gate Trigger (Vgt) (Max)	1.5 V	1 V
Current - Gate Trigger (Igt) (Max)	15 mA	200 µA
Current - Hold (Ih) (Max)	30 mA	6 mA
Current - Off State (Max)	10 µA	10 µA
SCR Type	Standard Recovery	Sensitive Gate
Operating Temperature Range	-40°C to 125°C	-40°C to 110°C
Mounting Type	Through Hole	Surface Mount
Package / Case	TO-251-3	TO-252-3 (DPAK)
Product Status	Discontinued	Active
RoHS Status	Non-compliant	ROHS3 Compliant

Engineering Selection Recommendations

The MCR12DSN-1G is electrically suitable as a substitute based on matching 800V voltage rating and exceeding the 10A RMS current requirement with 12A capacity. Both devices are manufactured by Littelfuse Inc. and share identical off-state leakage current specifications.

Key considerations for selection:

Product Status: MCR12DSN-1G is active and in stock (2766 pcs), whereas S8010V is discontinued
Compliance: MCR12DSN-1G is ROHS3 compliant; S8010V is non-compliant
Mounting Integration: MCR12DSN-1G requires surface-mount PCB design; S8010V uses through-hole mounting. This represents a significant design change if board layout is fixed
Gate Characteristics: MCR12DSN-1G is a Sensitive Gate device with lower trigger voltage (1V vs. 1.5V) and significantly lower trigger current (200µA vs. 15mA), requiring gate drive circuit redesign
Temperature Range: S8010V operates to 125°C; MCR12DSN-1G to 110°C

Selection should prioritize application requirements for mounting technology and gate drive capability.

Frequently Asked Questions (FAQ)

Q: Can MCR12DSN-1G directly replace S8010V in an existing through-hole design?

A: No. MCR12DSN-1G is a surface-mount component in TO-252 (DPAK) package, whereas S8010V uses through-hole TO-251 mounting. PCB redesign is required. An adapter or rework solution would be necessary for direct board substitution.

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

A: Standard Recovery SCRs (S8010V) require higher gate trigger current (15mA) and voltage (1.5V) to turn on. Sensitive Gate SCRs (MCR12DSN-1G) require significantly lower gate drive (200µA, 1V), reducing gate drive circuit complexity and power consumption. Gate drive circuits must be redesigned when switching between these types.

Q: Are the voltage and current ratings compatible?

A: Yes. Both devices are rated for 800V off-state voltage. MCR12DSN-1G exceeds the current requirement with 12A RMS vs. the S8010V's 10A RMS, providing additional margin.

Q: Does the higher on-state voltage (1.9V vs. 1.6V) of MCR12DSN-1G affect performance?

A: The 0.3V difference increases forward voltage drop, resulting in higher power dissipation and heat generation. Thermal design must account for this increase in applications with high duty cycles or continuous conduction.

Q: What is the impact of the 15°C lower maximum operating temperature of MCR12DSN-1G?

A: MCR12DSN-1G operates to 110°C maximum vs. S8010V at 125°C. Applications requiring sustained operation above 110°C cannot use MCR12DSN-1G without derating or thermal management modifications.

Q: Is MCR12DSN-1G RoHS compliant?

A: Yes. MCR12DSN-1G is ROHS3 compliant. S8010V is non-compliant. New designs and regulated applications should use MCR12DSN-1G to meet environmental and procurement standards.

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