Ohmite 41F47R Equivalent & Substitute Parts

Part Overview

The Ohmite 41F47R is a 47 Ohm ±1% 1W through-hole resistor with axial wirewound construction, part of the Ohmicone® 40 series. This component is currently active in production with 718 units in stock. The need for equivalent and substitute parts arises from packaging variations, compliance requirements, and supply chain considerations. The primary substitute maintains identical electrical specifications while offering different packaging and enhanced regulatory compliance.

Substiute Parts

41F47R

OhmiteIn Stock: 81441F47R Datasheet

Current PartRFQ

41F47RE

OhmiteIn Stock: 78441F47RE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 41F47R is determined by strict equivalence across the following parameters:

• Resistance value: 47 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 1W (exact match required)
• Composition: Wirewound (exact match required)
• Package type: Axial (exact match required)
• Temperature coefficient: ±20ppm/°C (exact match required)
• Physical dimensions: 0.126" Dia x 0.437" L (exact match required)
• Number of terminations: 2 (exact match required)

The identified substitute part, 41F47RE, meets all electrical and mechanical parameters. The primary difference is packaging format (Bulk versus standard packaging) and regulatory compliance status.

Parameter Comparison

Engineering Selection Recommendations

Both the 41F47R and 41F47RE are active production components from Ohmite with identical electrical and mechanical specifications. Selection between these parts should be based on the following criteria:

41F47R is appropriate for applications where RoHS non-compliant components are acceptable and standard packaging is required.

41F47RE is appropriate for applications requiring ROHS3 compliance and bulk packaging formats. This variant provides enhanced regulatory compliance suitable for markets with strict environmental standards.

Both parts are functionally interchangeable in circuits requiring a 47 Ohm ±1% 1W axial wirewound resistor. The choice between them depends on compliance requirements and packaging specifications for your specific application.

Frequently Asked Questions (FAQ)

Q: Are the 41F47R and 41F47RE electrically identical?

A: Yes. Both parts have identical resistance (47 Ohms), tolerance (±1%), power rating (1W), temperature coefficient (±20ppm/°C), and composition (wirewound). They are electrically equivalent.

Q: What is the difference between these parts?

A: The primary differences are packaging format (41F47R uses standard packaging; 41F47RE uses bulk packaging) and RoHS compliance status (41F47R is RoHS non-compliant; 41F47RE is ROHS3 compliant).

Q: Can I use 41F47RE as a direct replacement for 41F47R?

A: Yes, provided your application accepts ROHS3 compliant components and bulk packaging. The physical dimensions and electrical characteristics are identical, ensuring mechanical and functional compatibility.

Q: Are the physical dimensions identical?

A: Yes. Both parts measure 0.126" Dia x 0.437" L (3.20mm x 11.10mm) and use axial package configuration with 2 terminations.

Q: Which part should I select for new designs?

A: Selection depends on your regulatory requirements. If ROHS3 compliance is required, use 41F47RE. If RoHS compliance is not a constraint, either part is suitable based on packaging availability.

Q: Do these parts have the same temperature coefficient?

A: Yes. Both parts have a temperature coefficient of ±20ppm/°C, ensuring identical thermal performance across the operating range.