Ohmite 12FR030 Equivalent & Substitute Parts

Part Overview

The Ohmite 12FR030 is a 30 mOhms ±1% 2W through-hole resistor with axial leads, designed for current sense applications. The component features a non-inductive metal element construction and operates across a temperature range of -55°C to 275°C. This part is classified as Active product status. Substitute parts are identified when inventory availability requires alternative sourcing or when packaging configurations differ while maintaining identical electrical and mechanical specifications.

Substiute Parts

12FR030

OhmiteIn Stock: 112612FR030 Datasheet

Current PartRFQ

12FR030E

OhmiteIn Stock: 85612FR030E Datasheet

DirectRFQ

12FR030E

OhmiteIn Stock: 85612FR030E Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Ohmite 12FR030 are qualified based on matching the following critical parameters:

• Resistance value: 30 mOhms
• Tolerance: ±1%
• Power rating: 2W
• Composition: Metal Element
• Features: Current Sense, Non-Inductive
• Temperature coefficient: ±50ppm/°C
• Operating temperature range: -55°C to 275°C
• Package type: Axial
• Physical dimensions: 0.094" Dia × 0.417" L (2.40mm × 10.60mm)
• Number of terminations: 2

The substitute part 12FR030E maintains all electrical and mechanical specifications identical to the main part. Substitution is applicable when packaging configuration (Bulk) or compliance certifications differ from the primary part number while preserving functional equivalence.

Parameter Comparison

Engineering Selection Recommendations

The 12FR030E substitute part is electrically and mechanically equivalent to the 12FR030 across all functional parameters. The primary distinction is RoHS compliance status: the 12FR030E is RoHS Compliant, while the main part number 12FR030 is RoHS non-compliant. Selection between these part numbers depends on regulatory requirements applicable to the end application. Both parts maintain Active product status and are suitable for current sense applications requiring 30 mOhms resistance at 2W power dissipation across the specified temperature range.

Frequently Asked Questions (FAQ)

Q: Can the 12FR030E be used as a direct replacement for the 12FR030?

A: The 12FR030E is electrically and mechanically equivalent to the 12FR030. Both parts share identical resistance value, tolerance, power rating, temperature coefficient, operating temperature range, and physical dimensions. Selection depends on RoHS compliance requirements for your application.

Q: What is the difference between the 12FR030 and 12FR030E?

A: The primary differences are RoHS compliance status and packaging configuration. The 12FR030E is RoHS Compliant with Bulk packaging, while the 12FR030 is RoHS non-compliant with standard packaging. All electrical and mechanical specifications are identical.

Q: Are both parts suitable for current sense applications?

A: Both the 12FR030 and 12FR030E are designed for current sense applications. They feature non-inductive metal element construction and maintain the same resistance value and tolerance across the operating temperature range.

Q: What packaging options are available?

A: The 12FR030 is supplied in standard packaging, while the 12FR030E is supplied in Bulk packaging. Both use axial through-hole configuration with identical physical dimensions.

Q: Which part should I select for RoHS-compliant designs?

A: The 12FR030E is RoHS Compliant and should be selected for applications requiring RoHS compliance. The 12FR030 is RoHS non-compliant and is suitable for applications without RoHS requirements.