P0640SCRP Equivalent & Substitute Parts

Part Overview

The P0640SCRP is a 58V off-state, 400A peak pulse TVS thyristor manufactured by Littelfuse Inc. in the SIDACtor® series, housed in a DO-214AA (SMB) surface mount package. This component is designed for transient voltage suppression applications requiring high current handling capability.

The P0640SCRP is classified as obsolete. Locating equivalent substitute parts is necessary to maintain design continuity and ensure component availability for new production runs and field replacements.

Substiute Parts

P0640SCRP

Littelfuse Inc.In Stock: 12246P0640SCRP Datasheet

Current PartRFQ

P0640SCLRP

Littelfuse Inc.In Stock: 156878P0640SCLRP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P0640SCRP is determined by matching the following critical electrical and mechanical parameters:

• Voltage ratings (breakover, off-state, and on-state)
• Peak pulse current capability (both 8/20µs and 10/1000µs waveforms)
• Hold current specification
• Package type and mounting configuration
• Single-element configuration
• Capacitance value

The P0640SCLRP meets all these criteria and is qualified as a direct substitute. Both parts are manufactured by Littelfuse Inc. within the SIDACtor® series and share identical electrical performance specifications and physical packaging.

Parameter Comparison

Engineering Selection Recommendations

The P0640SCLRP is the qualified substitute for the obsolete P0640SCRP. Both parts deliver identical electrical performance across all specified parameters and are compatible with existing PCB layouts and assembly processes.

The P0640SCLRP offers the additional advantage of active product status, ensuring continued availability and supply chain reliability. The P0640SCLRP also meets ROHS3 compliance requirements, whereas the P0640SCRP is non-compliant. Both parts maintain the same moisture sensitivity level and are suitable for standard surface mount assembly.

Frequently Asked Questions (FAQ)

Q: Can the P0640SCLRP be used as a direct replacement for the P0640SCRP?

A: Yes. The P0640SCLRP is a direct substitute. All electrical parameters, including voltage ratings, peak pulse currents, hold current, and capacitance, are identical. The physical package and mounting type are also identical, allowing drop-in replacement without PCB modifications.

Q: What is the difference between the P0640SCRP and P0640SCLRP?

A: The primary differences are product status and regulatory compliance. The P0640SCRP is obsolete and RoHS non-compliant, while the P0640SCLRP is an active product with ROHS3 compliance. Electrically and mechanically, both parts are equivalent.

Q: Are there any packaging differences between these parts?

A: Both parts use the DO-214AA (SMB) surface mount package. The P0640SCLRP is available in Cut Tape (CT) and Digi-Reel® packaging options, while the P0640SCRP is supplied in Cut Tape (CT) only. Both packaging formats are compatible with standard assembly equipment.

Q: Why should I transition from the P0640SCRP to the P0640SCLRP?

A: The P0640SCRP is obsolete, making future procurement difficult. The P0640SCLRP is actively manufactured and stocked, ensuring reliable supply. Additionally, the P0640SCLRP meets current RoHS3 compliance standards, which may be required for new designs or regulatory submissions.

Q: Will the P0640SCLRP work in circuits designed for the P0640SCRP?

A: Yes. Identical electrical specifications and package configuration ensure full functional compatibility. No circuit modifications or design changes are required.