S2012DRP Equivalent & Substitute Parts

Part Overview

The S2012DRP is a Standard Recovery SCR (Silicon Controlled Rectifier) rated for 200 V off-state voltage and 12 A RMS current, manufactured by Littelfuse Inc. in a surface mount TO-252 (DPAK) package. This part is currently obsolete, making identification of functionally equivalent alternatives essential for design continuity and procurement planning. Substitute parts must maintain electrical compatibility across gate trigger characteristics, on-state voltage drop, holding current, and thermal operating range while accommodating higher voltage ratings where application requirements permit.

Substiute Parts

S2012DRP

Littelfuse Inc.In Stock: 5387S2012DRP Datasheet

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S4012DRP

Littelfuse Inc.In Stock: 846S4012DRP Datasheet

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S6012DRP

Littelfuse Inc.In Stock: 1612S6012DRP Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the S2012DRP is determined by strict electrical and mechanical parameter matching:

Mandatory Compatibility Criteria:

• Gate trigger voltage (Vgt) and current (Igt) must remain within specified maximums to ensure consistent gate drive circuit operation
• On-state voltage drop (Vtm) and holding current (Ih) must not exceed specified values to maintain thermal and circuit performance
• Off-state leakage current must not exceed 10 µA maximum
• Operating temperature range must encompass -40°C to 125°C
• Package must be TO-252-3 (DPAK) surface mount configuration
• SCR type must be Standard Recovery

Voltage Rating Consideration: Off-state voltage rating may be increased above 200 V provided all other electrical parameters remain within specification. Higher voltage ratings do not compromise circuit operation in applications designed for 200 V operation and provide additional design margin.

Parameter Comparison

Engineering Selection Recommendations

Both S4012DRP and S6012DRP are direct electrical and mechanical substitutes for the obsolete S2012DRP. Selection between these alternatives depends on application voltage requirements:

S4012DRP (400 V Rating): Suitable for applications where the circuit voltage does not exceed 400 V. This part provides the minimum voltage margin above the original 200 V specification while maintaining all electrical characteristics. Product status is Active with ROHS3 compliance and current inventory availability.

S6012DRP (600 V Rating): Suitable for applications where higher voltage margin is required or where circuit voltage may reach 600 V. This part provides maximum voltage headroom while maintaining identical gate drive, on-state, and thermal characteristics. Product status is Active with ROHS3 compliance and current inventory availability.

Both parts are manufactured by Littelfuse Inc., maintain identical gate trigger parameters, on-state voltage drop, holding current, and operating temperature range. Packaging, mounting type, and SCR recovery characteristics are identical to the original S2012DRP.

Frequently Asked Questions (FAQ)

Q: Can S4012DRP or S6012DRP be used as direct replacements for S2012DRP?

A: Yes. Both parts are electrically and mechanically compatible. Gate trigger voltage and current, on-state voltage drop, holding current, and operating temperature range are identical. Package configuration (TO-252-3 DPAK) and mounting type (surface mount) are identical. The higher voltage ratings (400 V and 600 V) do not affect operation in circuits designed for 200 V operation.

Q: What is the difference between S4012DRP and S6012DRP?

A: The only difference is the off-state voltage rating: S4012DRP is rated for 400 V while S6012DRP is rated for 600 V. All other electrical parameters, including gate trigger characteristics, on-state voltage, holding current, and thermal range, are identical.

Q: How do I choose between the 400 V and 600 V options?

A: Select based on the maximum voltage your circuit will experience. If circuit voltage does not exceed 400 V, either part is acceptable. If circuit voltage may reach or exceed 400 V, use S6012DRP. Higher voltage ratings provide additional design margin without affecting circuit performance.

Q: Are there any packaging or mounting differences?

A: No. All three parts use identical TO-252-3 (DPAK) surface mount packaging. PCB layout and reflow soldering parameters remain unchanged.

Q: What is the product status of the substitute parts?

A: Both S4012DRP and S6012DRP are Active products with current manufacturing and inventory availability. The original S2012DRP is Obsolete.

Q: Are the substitute parts RoHS compliant?

A: Yes. Both S4012DRP and S6012DRP are ROHS3 compliant, matching the compliance status of the original S2012DRP.