MINISMDC200-2 Equivalent & Substitute Parts

Part Overview

The MINISMDC200-2 is a Polymeric PTC Resettable Fuse manufactured by Littelfuse Inc., part of the PolySwitch® miniSMD series. This component is rated for 8V maximum voltage with a 2A hold current and is designed for surface mount applications in the 1812 (4532 Metric) package format. The product is currently listed as Obsolete, making identification of equivalent and substitute parts essential for ongoing design support and component procurement.

Substiute Parts

MINISMDC200-2

Littelfuse Inc.In Stock: 10075MINISMDC200-2 Datasheet

Current PartRFQ

MINISMDC200F-2

Littelfuse Inc.In Stock: 26477MINISMDC200F-2 Datasheet

Parametric EquivalentRFQ

MF-MSMF200-2

Bourns Inc.In Stock: 173491MF-MSMF200-2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MINISMDC200-2 is determined by strict equivalence across the following critical parameters:

• Voltage rating: 8V maximum
• Hold current (Ih): 2A maximum
• Trip current (It): 4A
• Package format: 1812 (4532 Metric), Concave
• Mounting type: Surface Mount
• Operating temperature range: -40°C to 85°C
• Polymeric PTC resettable fuse technology

Two substitute parts meet these criteria and are identified as direct replacements based on identical electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

MINISMDC200F-2 is the primary substitute for MINISMDC200-2. Both components are manufactured by Littelfuse Inc. within the PolySwitch® miniSMD series and share identical electrical and mechanical specifications. MINISMDC200F-2 is currently in Active product status with ROHS3 compliance, addressing the obsolescence of the original part while maintaining full functional equivalence.

MF-MSMF200-2 manufactured by Bourns Inc. is a secondary substitute option. This component meets all critical electrical parameters and package requirements. It carries AEC-Q200 automotive qualification and ROHS3 compliance. The MF-MSMF200-2 features improved moisture sensitivity (MSL 1 vs. MSL 2A) and reduced thickness (0.033" vs. 0.048"), which may provide advantages in space-constrained applications.

Frequently Asked Questions (FAQ)

Q: Can MINISMDC200F-2 be used as a direct replacement for MINISMDC200-2?

A: Yes. MINISMDC200F-2 is a parametric equivalent with identical voltage, current, temperature, and package specifications. The primary difference is product status (Active vs. Obsolete) and RoHS compliance (ROHS3 vs. non-compliant).

Q: What are the key differences between MINISMDC200F-2 and MF-MSMF200-2?

A: Both meet the core electrical requirements (8V, 2A hold current, 4A trip current, 1812 package). Differences include manufacturer (Littelfuse vs. Bourns), time to trip specification (5s vs. 3s), maximum current rating (100A vs. 40A), post-trip resistance (70 mOhms vs. 80 mOhms), thickness (0.048" vs. 0.033"), and moisture sensitivity level (2A vs. 1).

Q: Are there any compliance or certification differences?

A: MINISMDC200F-2 and MF-MSMF200-2 are both ROHS3 compliant, whereas MINISMDC200-2 is RoHS non-compliant. Both substitute parts carry TUV approval. MF-MSMF200-2 includes AEC-Q200 automotive qualification and cURus certification, while MINISMDC200F-2 maintains CSA, TUV, and UL approvals consistent with the original part.

Q: Does package footprint compatibility require any PCB modifications?

A: No. All three parts use the 1812 (4532 Metric) Concave package format with identical external dimensions (0.179" L x 0.128" W / 4.55mm x 3.24mm). PCB footprints are interchangeable without modification.

Q: Which substitute should be selected for new designs?

A: MINISMDC200F-2 is recommended for designs requiring direct Littelfuse PolySwitch® miniSMD continuity. MF-MSMF200-2 is suitable when Bourns Multifuse® components are preferred or when automotive-grade qualification (AEC-Q200) is required.