P1553AB60 Equivalent & Substitute Parts

Part Overview

The P1553AB60 is a 130V off-state, 250A peak pulse TVS thyristor manufactured by Littelfuse Inc. in the SIDACtor® series. This component is designed for transient voltage suppression applications requiring three-element configuration in a TO-220 modified package. The P1553AB60 is currently classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

P1553AB60

Littelfuse Inc.In Stock: 849P1553AB60 Datasheet

Current PartRFQ

P1553ABL60

Littelfuse Inc.In Stock: 1144P1553ABL60 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P1553AB60 is determined by strict equivalence across electrical and mechanical parameters. The substitute part P1553ABL60 maintains identical specifications for all critical performance characteristics: breakover voltage (180V), off-state voltage (130V), on-state voltage (8V), peak pulse current ratings (250A at 8/20µs and 80A at 10/1000µs), hold current (150mA), element count (3), capacitance values (60pF and 95pF), and physical package configuration (3-SIP, TO-220 Modified, through-hole mounting).

The primary distinction between these parts is product status and packaging format. The P1553ABL60 is active production and available in bulk packaging, whereas the P1553AB60 is obsolete. Both parts are manufactured by Littelfuse Inc. within the SIDACtor® series and share identical electrical performance envelopes.

Parameter Comparison

Engineering Selection Recommendations

The P1553ABL60 is the direct substitute for the obsolete P1553AB60. Both parts deliver identical electrical performance across all specified parameters and maintain the same physical form factor for direct board-level replacement.

The P1553ABL60 offers the additional advantage of active production status, ensuring long-term availability and supply chain continuity. The part is ROHS3 compliant, meeting current environmental and regulatory requirements, whereas the P1553AB60 is non-compliant with RoHS standards.

For new designs or system refreshes, the P1553ABL60 is the appropriate selection. For legacy system maintenance where existing inventory of P1553AB60 units remains available, both parts are electrically and mechanically interchangeable.

Frequently Asked Questions (FAQ)

Q: Can the P1553ABL60 replace the P1553AB60 in existing applications? A: Yes. The P1553ABL60 is electrically and mechanically equivalent to the P1553AB60. All voltage ratings, current specifications, element configuration, and package dimensions are identical. Direct substitution is supported without circuit modification.

Q: What is the primary reason to transition from P1553AB60 to P1553ABL60? A: The P1553AB60 is obsolete and no longer in production. The P1553ABL60 is the active equivalent part, ensuring continued availability and supply chain support. Additionally, the P1553ABL60 is ROHS3 compliant, meeting current regulatory standards.

Q: Are there any differences in thermal or electrical performance between these parts? A: No. Both parts share identical specifications for breakover voltage (180V), off-state voltage (130V), on-state voltage (8V), peak pulse current (250A at 8/20µs), hold current (150mA), and capacitance values (60pF and 95pF).

Q: What is the package configuration for both parts? A: Both the P1553AB60 and P1553ABL60 use a 3-SIP (3-pin single in-line package) in TO-220 modified form factor with through-hole mounting. They are pin-compatible and footprint-compatible.

Q: Is the P1553ABL60 available in different packaging options? A: The P1553ABL60 is supplied in bulk packaging, whereas the P1553AB60 was supplied in standard packaging. The component itself remains unchanged; only the distribution format differs.

Q: What certifications apply to the P1553ABL60? A: The P1553ABL60 is ROHS3 compliant and REACH unaffected. The P1553AB60 is RoHS non-compliant and predates current environmental regulations.