V575LC80B Equivalent & Substitute Parts

Part Overview

The V575LC80B is a 889.5 V varistor manufactured by Littelfuse Inc., designed for transient voltage suppression applications. This component features a 6.5 kA surge current rating and 220 J energy absorption capacity in a through-hole disc 20mm package. The V575LC80B is classified as obsolete, making identification of active equivalent parts essential for ongoing procurement and system maintenance. The substitute part V575LC80BP provides functional continuity with identical electrical specifications while maintaining active product status.

Substiute Parts

V575LC80B

Littelfuse Inc.In Stock: 816V575LC80B Datasheet

Current PartRFQ

V575LC80BP

Littelfuse Inc.In Stock: 1212V575LC80BP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The V575LC80BP qualifies as a direct substitute for the V575LC80B based on the following criteria:

Electrical Parameters: Both parts maintain identical varistor voltage specifications (819 V minimum, 889.5 V typical, 960 V maximum), surge current rating (6.5 kA), and energy absorption capacity (220 J).

Mechanical Compatibility: Both components use through-hole mounting with identical disc 20mm package geometry, ensuring direct PCB compatibility without layout modifications.

Environmental and Compliance Specifications: Both parts operate across the same temperature range (-55°C to 85°C), maintain ROHS3 compliance, and share identical moisture sensitivity level (MSL 1 - Unlimited).

Product Status Distinction: The V575LC80B is obsolete, while V575LC80BP maintains active product status, making it the recommended selection for new designs and ongoing procurement.

Parameter Comparison

Engineering Selection Recommendations

The V575LC80BP is the appropriate selection for applications currently using or specifying the V575LC80B. The substitute part maintains complete electrical and mechanical equivalence while offering the advantage of active product status, ensuring long-term availability and supply chain continuity.

For new designs, the V575LC80BP should be specified directly. For existing systems using the V575LC80B, direct replacement with V575LC80BP is supported without circuit modifications or performance degradation.

Both parts maintain ROHS3 compliance and identical environmental certifications, satisfying regulatory requirements for industrial and commercial applications. The through-hole disc 20mm package format ensures compatibility with existing PCB layouts without requiring design revision.

Frequently Asked Questions (FAQ)

Q: Can V575LC80BP directly replace V575LC80B in existing circuits?

A: Yes. The V575LC80BP provides complete electrical and mechanical equivalence. All voltage ratings, surge current capacity, energy absorption, and package dimensions are identical. Direct substitution requires no circuit modifications.

Q: What is the primary difference between V575LC80B and V575LC80BP?

A: The V575LC80B is classified as obsolete, while V575LC80BP maintains active product status. Both parts are manufactured by Littelfuse Inc. and share identical electrical specifications and package format. The packaging differs (V575LC80B uses standard packaging; V575LC80BP uses bulk packaging), but this does not affect component performance or compatibility.

Q: Are there any compliance or certification differences?

A: No. Both parts maintain ROHS3 compliance, identical moisture sensitivity level (MSL 1 - Unlimited), and the same environmental operating range (-55°C to 85°C). Regulatory and compliance requirements are satisfied equally by both parts.

Q: What mounting considerations apply to this substitution?

A: Both parts use through-hole mounting with identical disc 20mm package geometry. PCB footprints, hole spacing, and lead configurations are identical. No layout modifications are required for substitution.

Q: Is the V575LC80BP suitable for new product designs?

A: Yes. The V575LC80BP is the recommended part number for new designs. Its active product status ensures availability and supply chain support throughout the product lifecycle.