MIC207.5V Equivalent & Substitute Parts

Part Overview

The MIC207.5V is a 7.5A automotive blade fuse rated for 32V DC operation, manufactured by Littelfuse Inc. under the MICRO2™ series. This component is designed for automotive electrical protection applications requiring a micro blade form factor with holder mounting. The part maintains active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified to provide alternative sourcing options while maintaining identical electrical and mechanical specifications for direct circuit protection applications.

Substiute Parts

MIC207.5V

Littelfuse Inc.In Stock: 1025MIC207.5V Datasheet

Current PartRFQ

MIC307.5V

Littelfuse Inc.In Stock: 756MIC307.5V Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The MIC207.5V and MIC307.5V are classified as parametric equivalents based on identical electrical and mechanical specifications. Substitution eligibility is determined by the following critical parameters:

• Current Rating: 7.5 A (identical)
• Voltage Rating - DC: 32 V (identical)
• Package / Case: Blade, Micro (identical)
• Breaking Capacity @ Rated Voltage: 1kA (identical)
• Operating Temperature Range: -40°C ~ 125°C (identical)
• Physical Dimensions: 0.358" L x 0.150" W x 0.311" H (identical)
• Fuse Type: Automotive (identical)
• Mounting Type: Requires Holder (identical)

Both parts are manufactured by Littelfuse Inc. and maintain equivalent compliance certifications. The primary distinction is the series designation: MICRO2™ for MIC207.5V and MICRO3™ for MIC307.5V, representing different product generations within the same electrical and mechanical specification class.

Parameter Comparison

Engineering Selection Recommendations

Both MIC207.5V and MIC307.5V are active products with identical electrical protection characteristics and mechanical compatibility. Selection between these parts is based on availability and supply chain requirements rather than functional differences. Both parts maintain full RoHS3 compliance and REACH unaffected status, meeting automotive industry regulatory requirements. The MICRO3™ series (MIC307.5V) represents a newer product generation while maintaining backward compatibility with existing MICRO2™ (MIC207.5V) circuit designs and holder assemblies.

Frequently Asked Questions (FAQ)

Q: Can MIC307.5V replace MIC207.5V in existing automotive circuits? A: Yes. Both parts share identical electrical ratings (7.5A, 32V DC), breaking capacity (1kA), and physical dimensions (0.358" L x 0.150" W x 0.311" H). They are mechanically and electrically interchangeable in all applications requiring micro blade automotive fuses.

Q: What is the difference between MICRO2™ and MICRO3™ series? A: MICRO2™ and MICRO3™ represent different product generations from Littelfuse Inc. Both series maintain identical specifications for current rating, voltage rating, breaking capacity, operating temperature range, and physical dimensions. The series designation reflects manufacturing generation rather than functional differences.

Q: Are both parts suitable for -40°C to 125°C operating environments? A: Yes. Both MIC207.5V and MIC307.5V are rated for -40°C ~ 125°C operation, meeting automotive temperature requirements.

Q: Do both parts require the same holder assembly? A: Yes. Both parts use the Blade, Micro package format and require a compatible micro blade fuse holder. Physical dimensions are identical.

Q: What compliance certifications apply to both parts? A: Both parts are ROHS3 compliant, REACH unaffected, and carry MSL rating of 1 (Unlimited). Both maintain active product status.