P0901DF-1 Equivalent & Substitute Parts

Part Overview

The P0901DF-1 is a Transient Voltage Suppressor (TVS) device manufactured by Littelfuse Inc., part of the SIDACtor® series. This component is designed for circuit protection applications, specifically in SLIC (Subscriber Line Interface Circuit) systems. The device operates at a clamping voltage of 75V and utilizes mixed technology in a surface-mount 8-SOIC package.

The P0901DF-1 is classified as obsolete. Locating equivalent or substitute parts is necessary to support ongoing maintenance, repair, and production requirements for systems utilizing this component. The substitute part P0901DF-1E provides functional equivalence with improved availability and active product status.

Substiute Parts

P0901DF-1

Littelfuse Inc.In Stock: 3657P0901DF-1 Datasheet

Current PartRFQ

P0901DF-1E

LittelfuseIn Stock: 5820P0901DF-1E Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The P0901DF-1E qualifies as a direct substitute for the P0901DF-1 based on the following critical parameters:

• Voltage - Clamping: Both parts operate at 75V
• Technology: Both utilize mixed technology
• Number of Circuits: Both contain 1 circuit
• Mounting Type: Both are surface-mount devices
• Package / Case: Both use 8-SOIC (0.154", 3.90mm Width)
• Supplier Device Package: Both use MS-012
• RoHS Status: Both are ROHS3 Compliant
• Moisture Sensitivity Level: Both are MSL 1 (Unlimited)

The primary difference is packaging format: the P0901DF-1 is supplied in standard packaging, while the P0901DF-1E is supplied in Tape & Reel (TR) format. This distinction affects handling and assembly processes but does not alter electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The P0901DF-1E is the appropriate substitute for the obsolete P0901DF-1. Both parts are manufactured by Littelfuse and maintain identical electrical and mechanical specifications. The P0901DF-1E carries active product status, ensuring ongoing availability and supply chain reliability.

Both parts meet ROHS3 compliance requirements and carry identical export classification (EAR99) and tariff codes (HTSUS 8541.30.0080). The MSL rating of 1 (Unlimited) indicates no moisture sensitivity constraints for either part.

The selection between these parts depends on packaging requirements: standard packaging for the P0901DF-1 or Tape & Reel format for the P0901DF-1E. For high-volume assembly operations, the Tape & Reel format of the P0901DF-1E provides advantages in automated pick-and-place processes.

Frequently Asked Questions (FAQ)

Q: Can the P0901DF-1E directly replace the P0901DF-1 in existing designs?

A: Yes. The P0901DF-1E is electrically and mechanically equivalent to the P0901DF-1. Both parts share identical clamping voltage (75V), circuit count (1), package type (8-SOIC MS-012), and all critical electrical parameters. The only difference is packaging format.

Q: What is the significance of the packaging format difference?

A: The P0901DF-1 uses standard packaging, while the P0901DF-1E uses Tape & Reel (TR) format. This affects handling, storage, and assembly processes. Tape & Reel format is optimized for automated assembly lines, while standard packaging is suitable for manual or mixed assembly environments.

Q: Why is the P0901DF-1 classified as obsolete?

A: The P0901DF-1 has reached end-of-life status. The P0901DF-1E, with identical specifications and active product status, is the current production equivalent.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts are ROHS3 compliant, carry identical ECCN (EAR99) and HTSUS (8541.30.0080) classifications, and share the same MSL rating of 1 (Unlimited).

Q: What inventory status should I expect?

A: The P0901DF-1 has 3,600 pieces in stock as new original inventory. The P0901DF-1E has 5,800 pieces in stock as new original inventory, providing greater availability for ongoing supply needs.