Equivalent & Substitute Parts for 40F5R0E

Part Overview

The 40F5R0E is a 10W, 5 Ohms ±1% through-hole axial wirewound resistor manufactured by Ohmite, part of the Ohmicone® 40 series. This component is designed for applications requiring precision power dissipation in compact form factors. The part is currently active in production with 630 units in stock. Substitute parts are necessary to address packaging preferences, compliance requirements, or inventory availability across different supplier channels.

Substiute Parts

40F5R0E

OhmiteIn Stock: 69740F5R0E Datasheet

Current PartRFQ

40F5R0

OhmiteIn Stock: 119940F5R0 Datasheet

Parametric EquivalentRFQ

RS0105R000FE73

Vishay DaleIn Stock: 4684RS0105R000FE73 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 40F5R0E is determined by matching the following critical parameters: resistance value (5 Ohms), tolerance (±1%), power rating (10W), composition (wirewound), and axial package configuration. All substitute parts listed maintain these core electrical and mechanical specifications, ensuring functional equivalence in circuit applications.

The substitute parts are grouped as follows:

Parametric Equivalent: 40F5R0 (Ohmite) — identical electrical specifications with variation in packaging format (Bulk vs. Box).

Similar Manufacturer Part: RS0105R000FE73 (Vishay Dale) — meets all critical electrical parameters with enhanced moisture resistance and alternative physical dimensions within acceptable tolerance ranges.

Parameter Comparison

Engineering Selection Recommendations

40F5R0 (Ohmite): This part is a direct parametric equivalent with identical electrical and mechanical specifications. Selection is appropriate when bulk packaging is preferred for high-volume assembly operations. Note that this variant is RoHS non-compliant; applications requiring RoHS compliance should not use this substitute.

RS0105R000FE73 (Vishay Dale): This part meets all critical electrical parameters and offers ROHS3 compliance, making it suitable for applications with regulatory compliance requirements. The moisture-resistant feature provides enhanced reliability in humid environments. Physical dimensions are slightly smaller (0.375" diameter vs. 0.406"), which may be advantageous in space-constrained layouts. The operating temperature range extends to -65°C, providing broader low-temperature performance compared to the main part's -55°C minimum.

Frequently Asked Questions (FAQ)

Q: Can 40F5R0 be used as a direct replacement for 40F5R0E?

A: Yes, electrically and mechanically. Both parts share identical resistance (5 Ohms), tolerance (±1%), power rating (10W), and axial package configuration. The primary difference is packaging format (Bulk vs. Box) and RoHS compliance status. Verify RoHS requirements for your application before substitution.

Q: What are the physical dimension differences between 40F5R0E and RS0105R000FE73?

A: The 40F5R0E measures 0.406" diameter × 1.902" length, while the RS0105R000FE73 measures 0.375" diameter × 1.780" length. Both are axial wirewound resistors with compatible lead configurations. The smaller dimensions of the Vishay Dale part may provide layout advantages in compact designs.

Q: Is RS0105R000FE73 suitable for applications requiring RoHS compliance?

A: Yes. The RS0105R000FE73 carries ROHS3 compliance certification, making it appropriate for RoHS-regulated applications. The 40F5R0E is RoHS Compliant, while the 40F5R0 variant is RoHS non-compliant.

Q: What is the significance of the moisture-resistant feature on RS0105R000FE73?

A: The moisture-resistant designation indicates enhanced protection against moisture ingress, improving long-term reliability in humid or corrosive environments. This feature is not specified for the Ohmite variants but does not preclude their use in standard operating conditions.

Q: Are all three parts suitable for the full temperature range of -55°C to 275°C?

A: The 40F5R0E operates across -55°C to 275°C. The RS0105R000FE73 operates across -65°C to 250°C, providing lower temperature capability but with a 25°C reduction in maximum temperature. The 40F5R0 operating temperature range is not specified in available data. Verify temperature requirements for your specific application.