P0300SBMC Equivalent & Substitute Parts

Part Overview

The P0300SBMC is a 25V off-state TVS thyristor from Littelfuse Inc.'s SIDACtor® series, designed for transient voltage suppression applications. This component features a 250 A peak pulse current rating in the DO-214AA surface mount package. The part is currently classified as obsolete, making identification of suitable substitutes necessary for ongoing design support and component procurement.

Substiute Parts

P0300SBMC

Littelfuse Inc.In Stock: 1049P0300SBMC Datasheet

Current PartRFQ

P0300SBMCLRP

Littelfuse Inc.In Stock: 836P0300SBMCLRP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P0300SBMC is determined by electrical and mechanical parameter equivalence. The critical parameters for direct substitution are:

• Voltage - Off State: 25V
• Current - Peak Pulse (8/20µs): 250 A
• Current - Peak Pulse (10/1000µs): 80 A
• Number of Elements: 1
• Package / Case: DO-214AA, SMB
• Mounting Type: Surface Mount

The P0300SBMCLRP meets all these requirements and is classified as a direct manufacturer substitute. The primary distinction between these parts is packaging format and product status.

Parameter Comparison

Engineering Selection Recommendations

The P0300SBMCLRP is the direct functional equivalent of the P0300SBMC. Both components share identical electrical specifications and mechanical form factors. Selection between these parts should be based on the following factors:

Product Status: The P0300SBMC is obsolete, while the P0300SBMCLRP is active. For new designs or ongoing production, the P0300SBMCLRP is the appropriate choice.

Compliance Requirements: The P0300SBMCLRP is ROHS3 compliant, whereas the P0300SBMC is RoHS non-compliant. Applications subject to RoHS regulations require the P0300SBMCLRP.

Packaging Format: The P0300SBMC is supplied in bulk packaging, while the P0300SBMCLRP is supplied in Tape & Reel format. Tape & Reel packaging is standard for automated assembly processes and high-volume production.

REACH Status: The P0300SBMCLRP is documented as REACH Unaffected, providing additional regulatory clarity for international applications.

Frequently Asked Questions (FAQ)

Q: Can the P0300SBMCLRP directly replace the P0300SBMC in existing designs?

A: Yes. Both components have identical electrical ratings (25V off-state, 250 A peak pulse current at 8/20µs, 80 A at 10/1000µs) and the same DO-214AA surface mount package. No circuit modifications are required.

Q: What is the primary difference between these two parts?

A: The P0300SBMC is obsolete and supplied in bulk packaging with RoHS non-compliant status. The P0300SBMCLRP is an active product supplied in Tape & Reel format with ROHS3 compliance.

Q: Does the Tape & Reel packaging affect electrical performance?

A: No. Tape & Reel is a packaging and delivery format only. It does not alter the electrical or mechanical characteristics of the component.

Q: Are there any moisture sensitivity concerns with either part?

A: Both parts have an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Which part should be specified for new production designs?

A: The P0300SBMCLRP should be specified for new designs. It is an active product with current manufacturing support and regulatory compliance documentation.