40F200E Equivalent & Substitute Parts

Part Overview

The Ohmite 40F200E is a 10W, 200 Ohms ±1% through-hole axial wirewound resistor designed for applications requiring precision power dissipation and thermal stability. This component is classified as Active product status with full RoHS compliance. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits alternative sourcing from qualified manufacturers meeting identical electrical and mechanical specifications.

Substiute Parts

40F200E

OhmiteIn Stock: 73340F200E Datasheet

Current PartRFQ

RS010200R0FE73

Vishay DaleIn Stock: 1254RS010200R0FE73 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 40F200E is determined by strict equivalence across the following critical parameters:

• Resistance value: 200 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 10W (exact match required)
• Composition: Wirewound (exact match required)
• Package configuration: Axial through-hole (exact match required)
• Temperature coefficient: ±20ppm/°C (exact match required)
• Termination count: 2 (exact match required)

The Vishay Dale RS010200R0FE73 meets all mandatory electrical and mechanical parameters for direct substitution. Both components share identical resistance, tolerance, power dissipation capability, wirewound construction, and axial package format. Dimensional variations and operating temperature range differences do not preclude functional equivalence in standard circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both the 40F200E and RS010200R0FE73 are Active product status components with full regulatory compliance. The 40F200E carries RoHS Compliant certification, while the RS010200R0FE73 meets ROHS3 Compliant and REACH Unaffected standards. Selection between these parts should be based on:

• Supply availability and lead time requirements
• PCB layout constraints, as dimensional differences exist (the RS010200R0FE73 is slightly smaller in both diameter and length)
• Operating environment conditions; the RS010200R0FE73 includes moisture-resistant construction, beneficial for humid or corrosive environments
• Regulatory requirements specific to the end application; ROHS3 compliance of the RS010200R0FE73 may be mandated in certain markets

Both components are electrically and mechanically interchangeable for standard circuit applications within their respective operating temperature ranges.

Frequently Asked Questions (FAQ)

Q: Can the RS010200R0FE73 be used as a direct replacement for the 40F200E?

A: Yes. Both components share identical electrical specifications: 200 Ohms ±1%, 10W power rating, ±20ppm/°C temperature coefficient, and wirewound axial package configuration. Functional equivalence is established across all critical parameters.

Q: What are the dimensional differences between these parts?

A: The 40F200E measures 0.406" diameter × 1.902" length (10.30mm × 48.30mm). The RS010200R0FE73 measures 0.375" diameter × 1.780" length (9.53mm × 45.21mm). The RS010200R0FE73 is slightly smaller, which may affect PCB layout and mounting considerations.

Q: Do operating temperature ranges affect substitution eligibility?

A: The 40F200E operates from -55°C to 275°C, while the RS010200R0FE73 operates from -65°C to 250°C. For applications within the overlapping range (-55°C to 250°C), both components are functionally equivalent. Applications requiring operation above 250°C require the 40F200E.

Q: What is the significance of moisture-resistant construction in the RS010200R0FE73?

A: The RS010200R0FE73 includes moisture-resistant features, providing enhanced performance in high-humidity, marine, or corrosive environments. The 40F200E does not specify this feature. Selection depends on environmental exposure requirements.

Q: Are there packaging differences between these parts?

A: The 40F200E is supplied in Box packaging, while the RS010200R0FE73 is supplied in Cut Tape (CT) packaging. This affects order quantities and handling but does not impact electrical or mechanical performance.

Q: Which part should be selected for new designs?

A: Selection is based on supply chain availability, cost, regulatory requirements, and environmental conditions. Both components meet Active product status and RoHS compliance. The RS010200R0FE73 offers ROHS3 compliance and moisture resistance, while the 40F200E provides extended upper operating temperature capability.