Ohmite 41F22R Equivalent & Substitute Parts

Part Overview

The Ohmite 41F22R is a 22 Ohm, 1% tolerance, 1W axial wirewound through-hole resistor from the Ohmicone® 40 series. This component is classified as Active and maintains continuous availability with 647 units in stock. Equivalent and substitute parts are identified when component procurement requires alternatives due to supply constraints, packaging preferences, or compliance requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

41F22R

OhmiteIn Stock: 71341F22R Datasheet

Current PartRFQ

41F22RE

OhmiteIn Stock: 104341F22RE Datasheet

DirectRFQ

ALSR0122R00FE12

Vishay DaleIn Stock: 906ALSR0122R00FE12 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 41F22R is determined by strict equivalence across the following critical parameters: resistance value (22 Ohms), tolerance (±1%), power rating (1W), composition (wirewound), and package configuration (axial through-hole). All identified substitutes maintain these core electrical and mechanical specifications, ensuring direct functional compatibility in circuit applications.

The substitute parts are grouped as follows:

Direct Manufacturer Equivalent (Ohmite 41F22RE): Identical electrical specifications and package dimensions. Differs only in packaging format (Bulk vs. standard) and RoHS compliance status.

Cross-Manufacturer Equivalent (Vishay Dale ALSR0122R00FE12): Maintains all critical electrical parameters (22 Ohms, ±1%, 1W, wirewound, axial). Physical dimensions vary slightly (0.110" Dia x 0.406" L vs. 0.126" Dia x 0.437" L) within acceptable tolerance for standard PCB layouts. Temperature coefficient specification differs (±30ppm/°C vs. ±20ppm/°C) but remains within typical application requirements.

Parameter Comparison

Engineering Selection Recommendations

Ohmite 41F22RE: Select this substitute when RoHS3 compliance is required and packaging format (Bulk) is acceptable. Electrical and dimensional specifications are identical to the 41F22R, providing direct interchangeability. Higher inventory availability (942 units) supports procurement flexibility.

Vishay Dale ALSR0122R00FE12: Select this substitute when RoHS3 compliance is required and cross-manufacturer sourcing is acceptable. The slightly smaller physical dimensions (0.110" Dia x 0.406" L) accommodate space-constrained PCB layouts while maintaining all critical electrical parameters. The ±30ppm/°C temperature coefficient remains suitable for standard industrial and commercial applications. Moisture-resistant construction (MSL 1) provides enhanced environmental protection. Inventory availability (891 units) supports consistent supply.

Original 41F22R: Retain this part number when RoHS non-compliant specifications are explicitly required or when exact dimensional matching to existing designs is necessary.

Frequently Asked Questions (FAQ)

Q: Can the 41F22RE be used as a direct replacement for the 41F22R? A: Yes. The 41F22RE maintains identical electrical specifications (22 Ohms, ±1%, 1W) and package dimensions (0.126" Dia x 0.437" L). The primary difference is RoHS3 compliance status and packaging format. Verify RoHS compliance requirements for your application before substitution.

Q: What are the physical dimension differences between the 41F22R and ALSR0122R00FE12? A: The ALSR0122R00FE12 is slightly smaller: 0.110" Dia x 0.406" L compared to 0.126" Dia x 0.437" L for the 41F22R. Both are standard axial through-hole packages compatible with typical PCB hole spacing. Verify PCB layout clearances if space constraints exist.

Q: Does the temperature coefficient difference (±20ppm/°C vs. ±30ppm/°C) affect substitution? A: Both temperature coefficients are within acceptable ranges for standard resistor applications. The ±30ppm/°C specification of the ALSR0122R00FE12 introduces marginally higher temperature-dependent resistance variation. Select based on application temperature stability requirements.

Q: Are all substitute parts RoHS compliant? A: The 41F22RE and ALSR0122R00FE12 are both ROHS3 Compliant. The original 41F22R is RoHS non-compliant. Verify compliance requirements for your end application and regulatory jurisdiction.

Q: Can the ALSR0122R00FE12 be used in applications requiring moisture resistance? A: Yes. The ALSR0122R00FE12 features moisture-resistant construction with MSL 1 (Unlimited) rating, providing enhanced environmental protection compared to the 41F22R. This makes it suitable for applications with elevated humidity or moisture exposure.

Q: What inventory levels support procurement decisions? A: Current inventory: 41F22R (647 units), 41F22RE (942 units), ALSR0122R00FE12 (891 units). All parts maintain active production status with consistent availability.