RWR89S2R00FSB12 Equivalent & Substitute Parts

Part Overview

The RWR89S2R00FSB12 is a 2 Ohm, 3W wirewound axial resistor manufactured by Vishay Dale, designed for military applications per MIL-PRF-39007 specifications. This component features ±1% tolerance, moisture-resistant construction, and operates across -55°C to 250°C. The part is currently active in production with 1005 units in stock. Substitute parts are identified when electrical specifications, mechanical dimensions, and compliance certifications remain identical across manufacturing variants.

Substiute Parts

RWR89S2R00FSB12

Vishay DaleIn Stock: 1077RWR89S2R00FSB12 Datasheet

Current PartRFQ

RWR89S2R00FRB12

Vishay DaleIn Stock: 1022RWR89S2R00FRB12 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The RWR89S2R00FRB12 qualifies as a direct substitute for the RWR89S2R00FSB12 based on identical electrical and mechanical parameters. Both parts share the same resistance value (2 Ohms), tolerance (±1%), power rating (3W), wirewound composition, axial package configuration, physical dimensions (0.187" Dia x 0.560" L), temperature coefficient (±50ppm/°C), and operating temperature range (-55°C ~ 250°C). Both are manufactured by Vishay Dale within the Military MIL-PRF-39007 RWR89S series and feature moisture-resistant construction. The substitution is valid across all specified electrical and mechanical criteria.

Parameter Comparison

Engineering Selection Recommendations

Both RWR89S2R00FSB12 and RWR89S2R00FRB12 are active production components with identical electrical specifications, mechanical dimensions, and compliance certifications. Selection between these parts may be based on inventory availability. The RWR89S2R00FSB12 has 1005 units in stock, while the RWR89S2R00FRB12 has 1010 units available. Both parts maintain RoHS non-compliant and REACH Affected status with EAR99 export classification. No technical differentiation exists between these components for circuit design purposes.

Frequently Asked Questions (FAQ)

Q: Can RWR89S2R00FRB12 be used as a direct replacement for RWR89S2R00FSB12? A: Yes. Both parts are electrically and mechanically identical, sharing the same 2 Ohm resistance, ±1% tolerance, 3W power rating, axial package dimensions, and military specifications per MIL-PRF-39007.

Q: Are there any differences in the physical package between these two parts? A: No. Both parts have identical dimensions of 0.187" Dia x 0.560" L (4.75mm x 14.22mm) and use the same axial termination configuration with 2 terminations.

Q: Do both parts meet the same temperature and environmental specifications? A: Yes. Both operate across -55°C to 250°C with ±50ppm/°C temperature coefficient and feature moisture-resistant construction suitable for military applications.

Q: What is the difference between the part numbers? A: The part numbers differ only in their suffix designations (FSB12 versus FRB12), which represent manufacturing variants within the same RWR89S series. All specified electrical and mechanical parameters remain identical.

Q: Are compliance certifications the same for both parts? A: Yes. Both parts share identical RoHS non-compliant status, REACH Affected designation, EAR99 export classification, and HTSUS code 8533.21.0080.