Ohmite 45J3K3 Equivalent & Substitute Parts

Part Overview

The Ohmite 45J3K3 is a 3.3 kOhms ±5% 5W through-hole resistor with axial wirewound composition, part of the Ohmicone® 40 series. This component is currently active in production and maintains 875 units in new original stock. The part is classified as RoHS non-compliant. Substitute parts are identified to address inventory availability, packaging preferences, or compliance requirements while maintaining identical electrical and mechanical specifications.

Substiute Parts

45J3K3

OhmiteIn Stock: 97345J3K3 Datasheet

Current PartRFQ

45J3K3E

OhmiteIn Stock: 96445J3K3E Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The Ohmite 45J3K3E is identified as a parametric equivalent based on matching all critical electrical and mechanical parameters: 3.3 kOhms resistance, ±5% tolerance, 5W power rating, wirewound composition, axial package configuration, ±20ppm/°C temperature coefficient, and identical physical dimensions (0.343" Dia x 0.937" L). The primary distinction between the main part and substitute is packaging format and RoHS compliance status. The 45J3K3E is supplied in bulk packaging and carries ROHS3 compliance certification, whereas the 45J3K3 is supplied in standard packaging and is RoHS non-compliant.

Parameter Comparison

Engineering Selection Recommendations

Selection between the 45J3K3 and 45J3K3E is determined by compliance and packaging requirements. The 45J3K3E is suitable for applications requiring ROHS3 compliance certification. Both parts are active products with adequate inventory levels. The 45J3K3E offers higher stock availability at 949 units compared to 875 units for the main part. Packaging format differs between the two parts: standard versus bulk. All electrical and mechanical parameters remain identical, ensuring direct functional interchangeability in circuit applications.

Frequently Asked Questions (FAQ)

Q: Are the 45J3K3 and 45J3K3E electrically identical? A: Yes. Both parts share identical resistance (3.3 kOhms), tolerance (±5%), power rating (5W), temperature coefficient (±20ppm/°C), and composition (wirewound). They are electrically interchangeable.

Q: What is the difference between these two parts? A: The primary differences are packaging format (standard versus bulk) and RoHS compliance status (non-compliant versus ROHS3 compliant). Physical dimensions and electrical specifications are identical.

Q: Can the 45J3K3E replace the 45J3K3 in existing designs? A: Yes. The 45J3K3E is a direct substitute with matching axial package configuration, physical dimensions (0.343" Dia x 0.937" L), and all electrical parameters. No circuit modifications are required.

Q: Which part should I select for new designs? A: Selection depends on compliance requirements. For applications requiring ROHS3 compliance, specify the 45J3K3E. For applications without compliance constraints, either part is suitable based on availability and packaging preference.

Q: Are both parts currently in production? A: Yes. Both the 45J3K3 and 45J3K3E are active products with current inventory: 875 units and 949 units respectively.