P3504UBTP Equivalent & Substitute Parts

Part Overview

The P3504UBTP is a Transient Voltage Suppressor (TVS) thyristor from Littelfuse Inc.'s SIDACtor® series, designed for overvoltage protection in surface mount applications. This component features a 320V/640V off-state voltage rating with 250A peak pulse current capability in a 6-SMD Gull Wing package configuration. The P3504UBTP is classified as obsolete, making identification of functionally equivalent active alternatives essential for ongoing design support and procurement continuity.

Substiute Parts

P3504UBTP

Littelfuse Inc.In Stock: 735P3504UBTP Datasheet

Current PartRFQ

P3504UBLTP

Littelfuse Inc.In Stock: 1155P3504UBLTP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P3504UBTP is determined by strict equivalence across the following electrical and mechanical parameters:

• Voltage ratings (Breakover: 400V/800V; Off-State: 320V/640V; On-State: 4V)
• Current specifications (Peak Pulse 8/20µs: 250A; Peak Pulse 10/1000µs: 80A; Hold Current: 150mA)
• Element count (4 elements)
• Capacitance range (45pF, 75pF)
• Physical package (6-SMD, Gull Wing; Modified MS-013)
• Series designation (SIDACtor®)

The P3504UBLTP meets all these criteria and serves as a direct functional equivalent with identical electrical performance and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The P3504UBLTP is the direct substitute for the obsolete P3504UBTP. Both components are manufactured by Littelfuse Inc. and share identical electrical and mechanical specifications across all critical parameters. The primary distinction is product status and regulatory compliance: the P3504UBLTP is actively manufactured and ROHS3 compliant, whereas the P3504UBTP is obsolete and RoHS non-compliant. For new designs and ongoing procurement, the P3504UBLTP is the appropriate selection. Both components maintain identical Moisture Sensitivity Level (MSL 1) and export classification (EAR99), ensuring equivalent handling and logistics requirements.

Frequently Asked Questions (FAQ)

Q: Can P3504UBLTP be used as a direct replacement for P3504UBTP in existing designs?

A: Yes. The P3504UBLTP is electrically and mechanically identical to the P3504UBTP across all specified parameters, including voltage ratings, current ratings, element count, capacitance, and package configuration. No circuit modifications are required.

Q: What is the primary reason to transition from P3504UBTP to P3504UBLTP?

A: The P3504UBTP is obsolete and no longer manufactured. The P3504UBLTP is the active equivalent from the same manufacturer and series, ensuring continued component availability and supply chain reliability.

Q: Are there packaging differences between these parts?

A: Both components use the same 6-SMD Gull Wing package (Modified MS-013). The P3504UBLTP is supplied in tube packaging, while the P3504UBTP packaging specification was not provided. This does not affect electrical or mechanical compatibility.

Q: Does the RoHS3 compliance of P3504UBLTP affect compatibility?

A: No. RoHS3 compliance of the P3504UBLTP represents an improvement in regulatory status and does not impact electrical performance or physical compatibility with existing circuit designs.

Q: Are moisture handling requirements identical?

A: Yes. Both components share MSL 1 (Unlimited) classification, indicating identical moisture sensitivity and storage requirements.