RWR80S75R0FSBSL Equivalent & Substitute Parts

Part Overview

The RWR80S75R0FSBSL is a 75 Ohm, 2W wirewound axial resistor manufactured by Vishay Dale, designed for military applications per MIL-PRF-39007 specifications. This component features moisture-resistant construction and operates across an extended temperature range of -55°C to 250°C. The part maintains Active product status with 850 units currently in stock. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility within the specified parameter tolerances.

Substiute Parts

RWR80S75R0FSBSL

Vishay DaleIn Stock: 936RWR80S75R0FSBSL Datasheet

Current PartRFQ

RWR80S75R0FRB12

Vishay DaleIn Stock: 1173RWR80S75R0FRB12 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RWR80S75R0FSBSL is determined by strict equivalence across the following critical parameters:

• Resistance value: 75 Ohms
• Tolerance: ±1%
• Power rating: 2W
• Composition: Wirewound
• Package: Axial
• Temperature coefficient: ±20ppm/°C
• Operating temperature range: -55°C to 250°C
• Series compliance: Military, MIL-PRF-39007, RWR80S
• Physical dimensions: 0.094" Dia x 0.406" L (2.39mm x 10.31mm)
• Terminations: 2

The identified substitute maintains all electrical and mechanical parameters within specification. Variation in failure rate classification does not affect functional substitutability for circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both RWR80S75R0FSBSL and RWR80S75R0FRB12 are Active products from Vishay Dale with identical electrical specifications and military-grade construction. Selection between these parts should be based on inventory availability and application-specific failure rate requirements. Both components maintain RoHS non-compliant and REACH Affected status, consistent with military wirewound resistor specifications. The RWR80S75R0FRB12 offers higher inventory availability at 1135 units compared to 850 units for the primary part number.

Frequently Asked Questions (FAQ)

Q: Can RWR80S75R0FRB12 be used as a direct replacement for RWR80S75R0FSBSL?

A: Yes. Both parts are electrically and mechanically equivalent across all specified parameters including resistance, tolerance, power rating, temperature coefficient, and operating temperature range. Physical dimensions and axial package configuration are identical.

Q: What is the difference between these two part numbers?

A: The primary difference is the failure rate classification: RWR80S75R0FSBSL carries an S-level failure rate (0.001%), while RWR80S75R0FRB12 carries an R-level failure rate (0.01%). All other electrical and mechanical specifications are identical.

Q: Are there any compliance differences between these parts?

A: No. Both parts share identical RoHS non-compliant and REACH Affected status. Both comply with MIL-PRF-39007 military specifications.

Q: Can these resistors be used in high-temperature applications?

A: Yes. Both parts are rated for operation from -55°C to 250°C with a temperature coefficient of ±20ppm/°C, suitable for extended temperature range applications.

Q: Are the physical dimensions identical?

A: Yes. Both parts measure 0.094" diameter by 0.406" length (2.39mm x 10.31mm) in axial configuration, ensuring identical PCB footprint and mounting compatibility.