Ohmite 40F82R Equivalent & Substitute Parts

Part Overview

The Ohmite 40F82R is an 82 Ohm, 1% tolerance, 10W axial wirewound through-hole resistor from the Ohmicone® 40 series. This component is designed for applications requiring precision resistance with high power dissipation in a compact axial package. The part is currently active in production with 949 units in stock. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to inventory constraints, packaging preferences, or compliance requirements.

Substiute Parts

40F82R

OhmiteIn Stock: 105740F82R Datasheet

Current PartRFQ

40F82RE

OhmiteIn Stock: 93340F82RE Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The Ohmite 40F82RE qualifies as a parametric equivalent to the 40F82R based on the following criteria:

• Identical resistance value: 82 Ohms
• Identical tolerance: ±1%
• Identical power rating: 10W
• Identical composition: Wirewound
• Identical package type: Axial
• Identical temperature coefficient: ±20ppm/°C
• Identical physical dimensions: 0.406" Dia x 1.902" L (10.30mm x 48.30mm)
• Identical number of terminations: 2

The primary difference between these parts is packaging format (Bulk for 40F82RE versus standard packaging for 40F82R) and RoHS compliance status. Both parts are manufactured by Ohmite within the same Ohmicone® 40 series and maintain full electrical and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both the 40F82R and 40F82RE are active production components suitable for direct substitution in applications requiring 82 Ohm, 10W axial wirewound resistors. Selection between these parts should be based on the following criteria:

40F82R is appropriate for applications with no RoHS compliance requirements or where non-compliant components are explicitly permitted.

40F82RE is required for applications subject to ROHS3 compliance mandates or where RoHS-compliant component sourcing is specified. This part maintains identical electrical and mechanical performance while meeting enhanced environmental compliance standards.

Both parts are supplied in bulk packaging formats suitable for production assembly. The choice between them is determined by regulatory and compliance requirements rather than functional performance.

Frequently Asked Questions (FAQ)

Q: Can the 40F82RE be used as a direct replacement for the 40F82R?

A: Yes. The 40F82RE is electrically and mechanically identical to the 40F82R. Both parts have the same resistance value (82 Ohms), tolerance (±1%), power rating (10W), temperature coefficient (±20ppm/°C), and axial package dimensions (0.406" Dia x 1.902" L). The primary difference is RoHS compliance status.

Q: What is the difference between these two parts?

A: The 40F82R is RoHS non-compliant, while the 40F82RE is ROHS3 compliant. All electrical specifications, mechanical dimensions, and performance characteristics are identical. The packaging format is bulk for both parts.

Q: Are there any compatibility concerns when substituting one part for the other?

A: No compatibility concerns exist. Both parts are axial wirewound resistors with identical lead spacing, diameter, and length. They are pin-compatible and functionally interchangeable in all circuit applications.

Q: Which part should I select for a new design?

A: Selection depends on your application's compliance requirements. If ROHS3 compliance is required, use the 40F82RE. If RoHS compliance is not a requirement, either part is suitable. Consult your design specifications and regulatory requirements.

Q: Are both parts currently available?

A: Yes. The 40F82R has 949 units in stock, and the 40F82RE has 906 units in stock. Both parts are active production items from Ohmite.