KNP1WSJR-52-2R7 Equivalent & Substitute Parts

Part Overview

The KNP1WSJR-52-2R7 is a 2.7 Ohm, 1W through-hole axial wirewound resistor manufactured by YAGEO. This component is classified as Active product status and is designed for applications requiring precision resistance with flame retardant coating and safety features. The part is ROHS3 compliant and suitable for operating environments ranging from -40°C to 200°C. Substitute parts are identified when inventory constraints, lead time requirements, or procurement preferences necessitate alternative sourcing while maintaining equivalent electrical and mechanical performance.

Substiute Parts

KNP1WSJR-52-2R7

YAGEOIn Stock: 830KNP1WSJR-52-2R7 Datasheet

Current PartRFQ

KNP100JR-73-2R7

YAGEOIn Stock: 6207KNP100JR-73-2R7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the KNP1WSJR-52-2R7 are qualified based on the following critical parameters that must remain constant:

• Resistance value: 2.7 Ohms
• Tolerance: ±5%
• Power rating: 1W
• Composition: Wirewound
• Package type: Axial
• Features: Flame Retardant Coating, Safety
• Operating temperature range: -40°C ~ 200°C
• RoHS compliance: ROHS3 Compliant
• Manufacturer: YAGEO
• Series: KNP

Substitution is valid when all electrical characteristics, mechanical dimensions, thermal specifications, and regulatory compliance certifications remain equivalent to the original part specification.

Parameter Comparison

Engineering Selection Recommendations

The KNP100JR-73-2R7 qualifies as a direct substitute for the KNP1WSJR-52-2R7 based on equivalent electrical specifications, identical mechanical package configuration, and matching regulatory compliance certifications. Both parts are manufactured by YAGEO within the KNP series and maintain ROHS3 compliance. Selection between these parts may be determined by inventory availability, packaging format preferences, or procurement lead time requirements, as all functional and environmental parameters remain equivalent.

Frequently Asked Questions (FAQ)

Q: What determines if a part can substitute for the KNP1WSJR-52-2R7?

A: Substitute parts must maintain identical resistance value (2.7 Ohms), tolerance (±5%), power rating (1W), wirewound composition, axial package type, flame retardant coating with safety features, operating temperature range (-40°C to 200°C), and ROHS3 compliance status.

Q: Are there physical dimension differences between the KNP1WSJR-52-2R7 and KNP100JR-73-2R7?

A: Both parts are specified as axial package type with equivalent mechanical compatibility. Specific dimensional variations are not provided in the available technical parameters.

Q: Can the KNP100JR-73-2R7 be used in applications originally designed for the KNP1WSJR-52-2R7?

A: Yes. The KNP100JR-73-2R7 maintains all critical electrical and thermal specifications required for direct substitution in circuits designed for the KNP1WSJR-52-2R7.

Q: What is the difference between the part numbers KNP1WSJR-52-2R7 and KNP100JR-73-2R7?

A: The part numbers reflect different packaging or tape reel configurations within the same KNP series. Both parts deliver identical electrical performance and environmental ratings.

Q: Are both parts ROHS3 compliant?

A: Yes. Both the KNP1WSJR-52-2R7 and KNP100JR-73-2R7 are ROHS3 compliant and suitable for applications requiring regulatory compliance in restricted substance management.