RLR07C1210FSM23 Equivalent & Substitute Parts

Part Overview

The RLR07C1210FSM23 is a 121 Ohm ±1% metal film axial resistor rated at 0.25W (1/4W) manufactured by Vishay Dale. This component is part of the military-grade RLR07 series, compliant with MIL-PRF-39017/01 specifications. The resistor features moisture-resistant construction with weldable terminations, designed for through-hole axial mounting in military and aerospace applications. The part is currently active in production with 762 units in stock.

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product series and specifications, ensuring direct interchangeability in circuit designs without performance degradation.

Substiute Parts

RLR07C1210FSM23

Vishay DaleIn Stock: 779RLR07C1210FSM23 Datasheet

Current PartRFQ

RLR07C1210FSB14

Vishay DaleIn Stock: 1241RLR07C1210FSB14 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The RLR07C1210FSB14 qualifies as a parametric equivalent to the RLR07C1210FSM23 based on the following substitution criteria:

• Identical resistance value: 121 Ohms
• Identical tolerance: ±1%
• Identical power rating: 0.25W (1/4W)
• Identical composition: Metal Film
• Identical temperature coefficient: ±100ppm/°C
• Identical operating temperature range: -65°C to 150°C
• Identical package type: Axial
• Identical physical dimensions: 0.090" Dia x 0.250" L (2.29mm x 6.35mm)
• Same military series: MIL-PRF-39017/01, RLR07
• Identical failure rate: S (0.001%)
• Same number of terminations: 2

Both parts are manufactured by Vishay Dale within the same military-grade RLR07 series and maintain all critical electrical and mechanical specifications required for direct substitution.

Parameter Comparison

Engineering Selection Recommendations

Both the RLR07C1210FSM23 and RLR07C1210FSB14 are active production components manufactured by Vishay Dale within the military-grade RLR07 series. Selection between these parts may be based on inventory availability and procurement lead times. The RLR07C1210FSB14 currently maintains higher inventory levels at 1226 units compared to 762 units for the RLR07C1210FSM23, which may influence supply chain decisions. Both parts maintain identical compliance status with RoHS non-compliance and REACH Affected designations. Both are classified under ECCN EAR99 and HTSUS 8533.21.0090. The identical electrical and mechanical specifications ensure direct interchangeability without circuit redesign or performance impact.

Frequently Asked Questions (FAQ)

Q: Can RLR07C1210FSB14 be used as a direct replacement for RLR07C1210FSM23?

A: Yes. Both parts are identical in all critical electrical parameters (121 Ohms, ±1% tolerance, 0.25W power rating, ±100ppm/°C temperature coefficient, -65°C to 150°C operating range) and mechanical specifications (axial package, 0.090" Dia x 0.250" L dimensions). They are both manufactured by Vishay Dale within the same military MIL-PRF-39017/01 RLR07 series.

Q: Are there any differences in military specifications between these parts?

A: No. Both parts comply with the same military standard MIL-PRF-39017/01 and maintain identical failure rate classifications at S (0.001%). Both feature moisture-resistant construction with weldable terminations.

Q: What is the difference between the part numbers RLR07C1210FSM23 and RLR07C1210FSB14?

A: The part numbers differ in their suffix designations (FSM23 versus FSB14), which typically indicate different manufacturing batches or procurement lot codes within Vishay Dale's production system. The electrical and mechanical specifications remain identical.

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

A: Both parts are military-grade components with MIL-PRF-39017/01 compliance and S-level failure rates suitable for military and aerospace applications. Specific application requirements should be verified against your design specifications and procurement standards.

Q: Are there any packaging or lead form differences?

A: No. Both parts are supplied in axial through-hole configuration with identical physical dimensions of 0.090" Dia x 0.250" L (2.29mm x 6.35mm) and two terminations.