MINISMD075-2 Equivalent & Substitute Parts

Part Overview

The MINISMD075-2 is a PTC resettable fuse rated at 750 mA in a 1812 (4532 Metric) surface mount package with concave termination. This component is classified as obsolete, making identification of suitable substitutes essential for ongoing design support and production continuity. The part belongs to Littelfuse Inc.'s PolySwitch® series of polymeric PTC resettable fuses, which provide overcurrent protection through automatic reset capability without component replacement.

Substiute Parts

MINISMD075-2

Littelfuse Inc.In Stock: 6408MINISMD075-2 Datasheet

Current PartRFQ

MINISMDC075F-2

Littelfuse Inc.In Stock: 71140MINISMDC075F-2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The MINISMDC075F-2 qualifies as a direct substitute for the MINISMD075-2 based on the following critical parameters:

Matching Parameters:

• Current - Hold (Ih) (Max): 750 mA (identical)
• Mounting Type: Surface Mount (identical)
• Package / Case: 1812 (4532 Metric), Concave (identical)
• Size / Dimension: 0.179" L x 0.128" W (4.55mm x 3.24mm) (identical)
• Thickness (Max): 0.024" (0.62mm) (identical)
• Moisture Sensitivity Level (MSL): 2A (4 Weeks) (identical)
• Manufacturer: Littelfuse Inc. (identical)
• Series: PolySwitch® (identical)

The MINISMDC075F-2 is an active product within the same PolySwitch® miniSMD family, providing direct form, fit, and functional compatibility with the obsolete MINISMD075-2.

Parameter Comparison

Engineering Selection Recommendations

The MINISMDC075F-2 is the recommended substitute for the obsolete MINISMD075-2. Both components share identical mechanical and electrical hold current specifications, ensuring direct compatibility in existing PCB layouts and circuit designs.

The MINISMDC075F-2 offers the additional advantage of active product status, ensuring long-term availability and supply chain continuity. The component is ROHS3 compliant, meeting current environmental and regulatory requirements, whereas the original MINISMD075-2 is RoHS non-compliant.

Both parts carry identical moisture sensitivity ratings (MSL 2A, 4 Weeks) and are approved by CSA, TUV, and UL certification agencies, maintaining the same reliability and safety standards.

Frequently Asked Questions (FAQ)

Q: Can the MINISMDC075F-2 be used as a direct replacement for the MINISMD075-2 in existing designs?

A: Yes. The MINISMDC075F-2 provides direct form, fit, and functional compatibility. Both components feature identical package dimensions (1812 / 4532 Metric, Concave), hold current ratings (750 mA), and mounting type (Surface Mount). No PCB layout modifications are required.

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

A: The MINISMD075-2 is obsolete, while the MINISMDC075F-2 is an active product. Additionally, the MINISMDC075F-2 is ROHS3 compliant, whereas the MINISMD075-2 is RoHS non-compliant. The MINISMDC075F-2 also specifies a maximum voltage rating of 13.2V.

Q: Are there any packaging differences between these parts?

A: No. Both parts use identical 1812 (4532 Metric) concave surface mount packages with matching dimensions of 0.179" L x 0.128" W (4.55mm x 3.24mm) and maximum thickness of 0.024" (0.62mm).

Q: What certifications apply to the MINISMDC075F-2?

A: The MINISMDC075F-2 holds CSA, TUV, and UL approvals, ensuring compliance with international safety and performance standards.

Q: Is the moisture sensitivity level the same for both parts?

A: Yes. Both the MINISMD075-2 and MINISMDC075F-2 carry an MSL rating of 2A (4 Weeks), requiring identical handling and storage protocols.