S2010DTP Equivalent & Substitute Parts

Part Overview

The S2010DTP is a Silicon Controlled Rectifier (SCR) manufactured by Littelfuse Inc., rated for 200 V off-state voltage with 10 A RMS current capacity in a Surface Mount TO-252 (DPAK) package. This device is classified as Obsolete, making identification of equivalent and substitute parts essential for ongoing system support and component procurement.

The S2010DTP operates as a Standard Recovery SCR with a temperature range of -40°C to 125°C and is RoHS3 compliant. Due to its obsolete status, alternative models from the same manufacturer with compatible electrical and mechanical characteristics are available to maintain design continuity.

Key Parameters

Parameter	Value
Voltage - Off State	200 V
Voltage - Gate Trigger (Vgt) (Max)	1.5 V
Current - Gate Trigger (Igt) (Max)	15 mA
Voltage - On State (Vtm) (Max)	1.6 V
Current - On State (It (RMS)) (Max)	10 A
Current - Hold (Ih) (Max)	30 mA
Current - Off State (Max)	10 µA
SCR Type	Standard Recovery
Operating Temperature	-40°C to 125°C
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63
Mounting Type	Surface Mount
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the S2010DTP are selected based on strict compatibility criteria within the thyristor category. The primary substitution logic is based on the following allowed parameters:

Mechanical Compatibility:

Identical package type: TO-252-3 DPAK (2 Leads + Tab)
Identical mounting type: Surface Mount
Identical supplier device package: TO-252 (DPAK)

Electrical Compatibility:

Gate trigger voltage (Vgt) and current (Igt) remain constant across all variants
On-state voltage (Vtm) and current characteristics remain constant
Hold current (Ih) and off-state current remain constant
Non-repetitive surge current ratings remain constant
Operating temperature range remains constant
SCR Type: Standard Recovery (consistent across all parts)

Compliance & Status:

RoHS3 compliance maintained
MSL Level 1 maintained
Active product status preferred for ongoing availability

The S4010DTP and S6010DTP are direct substitutes that differ only in off-state voltage rating (400 V and 600 V respectively), allowing for higher voltage applications while maintaining all other electrical and mechanical specifications.

Parameter Comparison

Parameter	S2010DTP	S4010DTP	S6010DTP
Manufacturer	Littelfuse Inc.	Littelfuse Inc.	Littelfuse Inc.
Voltage - Off State	200 V	400 V	600 V
Voltage - Gate Trigger (Vgt) (Max)	1.5 V	1.5 V	1.5 V
Current - Gate Trigger (Igt) (Max)	15 mA	15 mA	15 mA
Voltage - On State (Vtm) (Max)	1.6 V	1.6 V	1.6 V
Current - On State (It (RMS)) (Max)	10 A	10 A	10 A
Current - Hold (Ih) (Max)	30 mA	30 mA	30 mA
Current - Off State (Max)	10 µA	10 µA	10 µA
Current - Non Rep. Surge 50, 60Hz (Itsm)	83A, 100A	83A, 100A	83A, 100A
SCR Type	Standard Recovery	Standard Recovery	Standard Recovery
Operating Temperature	-40°C to 125°C	-40°C to 125°C	-40°C to 125°C
Package / Case	TO-252-3, DPAK	TO-252-3, DPAK	TO-252-3, DPAK
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating): The S2010DTP is obsolete. No direct equivalent with identical 200 V off-state voltage is available from the provided substitute list. Applications requiring 200 V operation must evaluate the S4010DTP or S6010DTP with circuit-level voltage derating considerations.

For Voltage-Upgraded Applications: The S4010DTP (400 V) and S6010DTP (600 V) are Active products suitable for new designs and ongoing procurement. Both maintain identical gate trigger characteristics, on-state voltage, current ratings, and thermal specifications as the S2010DTP. Selection between these two depends on the system's maximum operating voltage requirement.

Compliance & Availability: Both substitute parts maintain RoHS3 compliance and MSL Level 1 rating, ensuring compatibility with modern manufacturing and storage requirements. Active product status ensures long-term availability and supply chain stability compared to the obsolete S2010DTP.

Frequently Asked Questions (FAQ)

Q: Can the S4010DTP or S6010DTP be used as direct replacements for the S2010DTP?

A: Yes, from an electrical and mechanical standpoint. Both substitute parts share identical gate trigger voltage, on-state voltage, current ratings, hold current, and operating temperature range. The primary difference is the off-state voltage rating (400 V and 600 V respectively). Circuit design must accommodate the higher voltage rating, but the SCR will function correctly in applications designed for 200 V operation.

Q: What is the key difference between the S4010DTP and S6010DTP?

A: The only difference is the off-state voltage rating: S4010DTP is rated for 400 V, while S6010DTP is rated for 600 V. All other electrical parameters, including gate trigger characteristics, on-state voltage, current ratings, and thermal specifications, are identical. Selection depends on the maximum voltage the application will encounter.

Q: Are the substitute parts available in the same package?

A: Yes. Both S4010DTP and S6010DTP use the identical TO-252-3 DPAK (2 Leads + Tab) surface mount package as the S2010DTP. PCB layout and thermal management considerations remain unchanged.

Q: Do the substitute parts have the same RoHS and MSL compliance?

A: Yes. Both S4010DTP and S6010DTP are RoHS3 compliant with MSL Level 1 (Unlimited), matching the compliance profile of the S2010DTP.

Q: Why is the S2010DTP obsolete?

A: Product obsolescence is determined by the manufacturer. The S2010DTP has been discontinued, but functionally equivalent higher-voltage alternatives remain in active production from Littelfuse Inc.

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