43F10RE Equivalent & Substitute Parts

Part Overview

The 43F10RE is a 10 Ohm ±1% 3W axial wirewound through-hole resistor manufactured by Ohmite in the Ohmicone® 40 series. This component is actively produced and widely used in applications requiring precision current limiting, load balancing, and power dissipation in industrial and commercial electronics. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across different manufacturers or product lines.

Substiute Parts

43F10RE

OhmiteIn Stock: 109543F10RE Datasheet

Current PartRFQ

RS02B10R00FE70

Vishay DaleIn Stock: 3676RS02B10R00FE70 Datasheet

MFR RecommendedRFQ

43F10R

OhmiteIn Stock: 101943F10R Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 43F10RE are qualified based on the following critical parameters:

• Resistance value: 10 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 3W (exact match required)
• Composition: Wirewound (exact match required)
• Package: Axial through-hole (exact match required)
• Temperature coefficient: ±20ppm/°C (exact match required)
• Termination count: 2 (exact match required)

Two substitute parts meet these criteria: RS02B10R00FE70 (Vishay Dale, MFR recommended) and 43F10R (Ohmite, parametric equivalent). Both maintain identical electrical performance and mechanical compatibility with the 43F10RE.

Parameter Comparison

Engineering Selection Recommendations

RS02B10R00FE70 is the manufacturer-recommended substitute. It maintains all critical electrical and mechanical parameters while offering ROHS3 compliance, moisture-resistant construction, and a specified operating temperature range of -65°C to 250°C. This part is suitable for applications requiring environmental protection and regulatory compliance.

43F10R is a parametric equivalent from Ohmite within the same Ohmicone® 40 series. It provides identical electrical specifications and mechanical compatibility. However, this part is RoHS non-compliant, making it unsuitable for applications subject to RoHS3 regulatory requirements.

For new designs and applications requiring RoHS3 compliance, RS02B10R00FE70 is the preferred substitute. For legacy systems or applications without RoHS requirements, 43F10R provides equivalent performance within the Ohmite product line.

Frequently Asked Questions (FAQ)

Q: Can RS02B10R00FE70 be used as a direct replacement for 43F10RE?

A: Yes. Both parts share identical resistance (10 Ohms), tolerance (±1%), power rating (3W), composition (wirewound), and axial package configuration. RS02B10R00FE70 additionally provides moisture-resistant construction and ROHS3 compliance.

Q: What is the difference between the 43F10RE and 43F10R?

A: Both are Ohmite Ohmicone® 40 series 10 Ohm 3W wirewound axial resistors with ±1% tolerance. The primary difference is RoHS compliance status: 43F10RE is ROHS3 compliant, while 43F10R is RoHS non-compliant. Electrical and mechanical specifications are identical.

Q: Does the moisture-resistant feature of RS02B10R00FE70 affect electrical performance?

A: No. Moisture resistance is a construction feature that enhances environmental durability without altering the core electrical parameters (resistance, tolerance, temperature coefficient, power rating).

Q: Are there packaging considerations when substituting these parts?

A: Yes. 43F10RE and 43F10R are supplied in Bulk packaging, while RS02B10R00FE70 is supplied in Cut Tape (CT) format. Procurement and assembly processes may require adjustment based on packaging format preferences.

Q: Which substitute should be selected for RoHS-regulated applications?

A: RS02B10R00FE70 is the only substitute with ROHS3 compliance certification and is required for applications subject to RoHS3 regulations.