Ohmite 83F10R Equivalent & Substitute Parts

Part Overview

The Ohmite 83F10R is a 10 Ohm ±1% 3W axial wirewound through-hole resistor from the Acrasil® 80 series. This component is designed for applications requiring precision resistance with moderate power dissipation in a compact axial package. The part maintains active product status with 922 units in current inventory. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility within the specified parameter tolerances.

Substiute Parts

83F10R

OhmiteIn Stock: 93283F10R Datasheet

Current PartRFQ

43F10R

OhmiteIn Stock: 101943F10R Datasheet

DirectRFQ

RS02B10R00FS70

Vishay DaleIn Stock: 2076RS02B10R00FS70 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 83F10R are qualified based on matching the following critical parameters: resistance value (10 Ohms), tolerance (±1%), power rating (3W), composition (wirewound), package type (axial), and temperature coefficient (±20ppm/°C). All identified substitutes maintain these core electrical specifications and physical form factor, ensuring functional equivalence in circuit applications. Dimensional variations within the axial package category do not affect electrical performance or standard PCB mounting compatibility.

Parameter Comparison

Engineering Selection Recommendations

All three parts—83F10R, 43F10R, and RS02B10R00FS70—are active products with equivalent electrical specifications and axial package compatibility. Selection between these parts is determined by availability, packaging format, and environmental requirements.

The 43F10R (Ohmite Ohmicone® 40 series) provides direct manufacturer substitution with identical electrical parameters and similar physical dimensions, available in bulk packaging with 916 units in stock.

The RS02B10R00FS70 (Vishay Dale RS series) offers manufacturer-recommended substitution with moisture-resistant construction and a specified operating temperature range of -65°C to 250°C. This part is available in cut tape packaging with the highest inventory level at 2055 units. The moisture-resistant feature and extended temperature specification provide additional environmental protection for applications requiring enhanced reliability.

All parts share RoHS non-compliant status and are subject to identical tariff classification (HTSUS 8533.21.0080).

Frequently Asked Questions (FAQ)

Q: Can the 43F10R directly replace the 83F10R in existing designs? A: Yes. Both parts are Ohmite wirewound axial resistors with identical electrical specifications (10 Ohms ±1%, 3W, ±20ppm/°C). Dimensional differences (0.220" vs 0.217" diameter) are within standard axial package tolerances and do not affect PCB mounting or circuit performance.

Q: What is the primary advantage of the RS02B10R00FS70 substitute? A: The RS02B10R00FS70 includes moisture-resistant construction and a specified operating temperature range (-65°C to 250°C), providing enhanced environmental protection. This part is recommended for applications in humid or temperature-extreme environments.

Q: Are there packaging differences between these substitutes? A: Yes. The 83F10R is supplied in standard packaging, the 43F10R in bulk packaging, and the RS02B10R00FS70 in cut tape (CT) format. Packaging selection depends on assembly process requirements and order quantities.

Q: Do all substitutes meet the same compliance standards? A: All three parts are RoHS non-compliant and classified under HTSUS 8533.21.0080. The RS02B10R00FS70 is REACH Affected, while the Ohmite parts are REACH Unaffected. Compliance requirements should be verified against specific application regulations.

Q: Are dimensional differences significant for circuit board layout? A: Axial resistor dimensional variations (diameter 0.187" to 0.220", length 0.560" to 0.594") are standard within the axial package category. These differences do not affect standard PCB hole spacing or mounting compatibility for through-hole designs.