P0641UCTP Equivalent & Substitute Parts

Part Overview

The P0641UCTP is a Transient Voltage Suppressor (TVS) device manufactured by Littelfuse Inc., designed for circuit protection in SLIC applications. This component features mixed technology with four circuits and a clamping voltage of 77V. The part is classified as obsolete, which necessitates identification of active equivalent alternatives to maintain design continuity and ensure long-term supply availability.

Substiute Parts

P0641UCTP

Littelfuse Inc.In Stock: 922P0641UCTP Datasheet

Current PartRFQ

P0641UCLTP

Littelfuse Inc.In Stock: 878P0641UCLTP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P0641UCTP is determined by strict equivalence across the following critical parameters:

• Voltage - Clamping: 77V (exact match required)
• Technology: Mixed Technology (exact match required)
• Number of Circuits: 4 (exact match required)
• Applications: SLIC (exact match required)
• Mounting Type: Surface Mount (exact match required)
• Package / Case: 6-SMD, Gull Wing (exact match required)
• Supplier Device Package: MS-013 (exact match required)

The P0641UCLTP meets all substitution criteria as a direct equivalent. This part maintains identical electrical specifications and mechanical form factor while offering improved product status and compliance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The P0641UCLTP is the direct substitute for the obsolete P0641UCTP. Both parts are electrically and mechanically identical across all critical parameters. The P0641UCLTP offers two significant advantages:

1. Active Product Status: The substitute maintains current manufacturing and supply chain support, eliminating obsolescence risk.

2. Regulatory Compliance: The P0641UCLTP is ROHS3 compliant, whereas the original part is RoHS non-compliant. For applications subject to RoHS regulations, the substitute provides compliance alignment. The substitute also carries REACH Unaffected status.

Selection of the P0641UCLTP is appropriate for new designs and replacement applications where regulatory compliance and supply continuity are required.

Frequently Asked Questions (FAQ)

Q: Are P0641UCTP and P0641UCLTP electrically interchangeable?

A: Yes. Both parts share identical electrical specifications: 77V clamping voltage, mixed technology, four circuits, and SLIC application suitability. They are direct functional equivalents.

Q: What is the difference between these two part numbers?

A: The primary differences are product status and compliance. The P0641UCTP is obsolete and RoHS non-compliant. The P0641UCLTP is active, ROHS3 compliant, and REACH unaffected. Packaging differs only in format: P0641UCTP uses standard packaging while P0641UCLTP is supplied in tube packaging.

Q: Can I use P0641UCLTP as a drop-in replacement for P0641UCTP?

A: Yes. The parts are mechanically and electrically identical. The 6-SMD, Gull Wing package and MS-013 supplier device package are identical, enabling direct PCB substitution.

Q: Does the tube packaging of P0641UCLTP affect compatibility?

A: No. Tube packaging is a supply format only and does not affect component performance or PCB mounting. The actual component form factor remains unchanged.

Q: Why should I transition from P0641UCTP to P0641UCLTP?

A: The P0641UCTP is obsolete, creating supply and support risks. The P0641UCLTP provides identical functionality with active manufacturing status and improved regulatory compliance (ROHS3).