Ohmite 20JR75 Equivalent & Substitute Parts

Part Overview

The Ohmite 20JR75 is a 750 mOhms ±5% 10W through-hole wirewound resistor with axial leads and flame retardant coating. This component is classified as Active product status and is currently in stock with 780 pieces available. The 20JR75 serves applications requiring precision current-sensing or load resistances in power circuits where thermal management and safety features are essential. Substitute parts are identified to address packaging variations and compliance requirements while maintaining identical electrical and mechanical specifications.

Substiute Parts

20JR75

OhmiteIn Stock: 85720JR75 Datasheet

Current PartRFQ

20JR75E

OhmiteIn Stock: 104720JR75E Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Ohmite 20JR75 is determined by the following parameters:

• Resistance value: 750 mOhms
• Tolerance: ±5%
• Power rating: 10W
• Composition: Wirewound
• Package / Case: Axial
• Physical dimensions: 0.394" Dia x 1.858" L (10.00mm x 47.20mm)
• Features: Flame Retardant Coating, Safety
• Number of terminations: 2

The substitute part 20JR75E maintains all electrical and mechanical specifications identical to the main part. The primary distinction is packaging configuration: the main part uses standard packaging while the substitute is supplied in bulk packaging. Both parts are manufactured by Ohmite within the Series 20 product line and retain Active product status.

Parameter Comparison

Engineering Selection Recommendations

Both the 20JR75 and 20JR75E are Active products from Ohmite's Series 20 wirewound resistor line. Selection between these parts should be based on the following criteria:

The 20JR75E offers ROHS3 compliance, making it suitable for applications subject to RoHS3 regulatory requirements. The main part 20JR75 is RoHS non-compliant and should be selected only when RoHS compliance is not a design constraint.

Packaging configuration differs between the two parts: standard packaging for 20JR75 and bulk packaging for 20JR75E. Bulk packaging is typically used for high-volume manufacturing or when component reels are preferred for automated assembly processes.

Both parts share identical electrical specifications (750 mOhms ±5%, 10W), mechanical dimensions (0.394" Dia x 1.858" L), and safety features (flame retardant coating). Thermal and electrical performance in circuit applications will be equivalent between the two part numbers.

Frequently Asked Questions (FAQ)

Q: Can the 20JR75E directly replace the 20JR75 in existing designs?

A: Yes. The 20JR75E maintains identical electrical and mechanical specifications. The primary differences are packaging format (bulk versus standard) and RoHS compliance status. Circuit performance and physical fit are equivalent.

Q: What is the difference between standard and bulk packaging?

A: Standard packaging typically includes individual component packaging suitable for small-quantity orders or mixed component shipments. Bulk packaging supplies components in larger quantities, often on reels or in bulk containers, optimized for high-volume manufacturing and automated assembly equipment.

Q: Does RoHS3 compliance affect component performance?

A: No. RoHS3 compliance indicates the absence of restricted substances in the component composition. Electrical and thermal performance characteristics remain unchanged. RoHS3 compliance is a regulatory and supply-chain requirement, not a performance specification.

Q: Are the physical dimensions identical between 20JR75 and 20JR75E?

A: Yes. Both parts measure 0.394" diameter by 1.858" length (10.00mm x 47.20mm). PCB layout and mechanical mounting are identical.

Q: Which part should be selected for new designs?

A: For new designs subject to RoHS3 regulatory requirements, select the 20JR75E. For applications without RoHS compliance constraints, either part is functionally equivalent. Verify regulatory requirements for your specific application and end market.