RLR32C1001FMB14 Equivalent & Substitute Parts

Part Overview

The RLR32C1001FMB14 is a 1 kOhms ±1% 1W through-hole resistor in axial package configuration, manufactured by Vishay Dale. This metal film resistor is designed for military applications and meets MIL-PRF-39017/03 specifications. The component features moisture resistance and weldability, making it suitable for harsh operating environments. The part is currently active in production with 1123 units in stock. Substitute parts are identified when inventory constraints, lead time requirements, or specific application needs necessitate alternative sourcing while maintaining electrical and mechanical compatibility.

Substiute Parts

RLR32C1001FMB14

Vishay DaleIn Stock: 1184RLR32C1001FMB14 Datasheet

Current PartRFQ

RLR32C1001FRB14

Vishay DaleIn Stock: 948RLR32C1001FRB14 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RLR32C1001FMB14 are qualified based on strict electrical and mechanical parameter matching within the RLR32 military resistor series. The substitution criteria are:

• Identical resistance value: 1 kOhms
• Identical tolerance: ±1%
• Identical power rating: 1W
• Identical composition: Metal Film
• Identical package: Axial
• Identical temperature coefficient: ±100ppm/°C
• Identical operating temperature range: -65°C ~ 150°C
• Identical physical dimensions: 0.190" Dia x 0.562" L
• Identical series classification: MIL-PRF-39017/03, RLR32
• Identical features: Military, Moisture Resistant, Weldable

The RLR32C1001FRB14 meets all these criteria and is classified as a direct substitute within the same military resistor family.

Parameter Comparison

Engineering Selection Recommendations

Both the RLR32C1001FMB14 and RLR32C1001FRB14 are active production components manufactured by Vishay Dale within the military-grade RLR32 series. Both parts comply with MIL-PRF-39017/03 specifications and are RoHS non-compliant, REACH affected, and classified under ECCN EAR99. The primary distinction between these parts is the failure rate specification: the RLR32C1001FRB14 offers a lower failure rate of R (0.01%) compared to the M (1%) rating of the RLR32C1001FMB14. Selection between these parts should be based on application reliability requirements and inventory availability. Both parts are electrically and mechanically interchangeable for circuits requiring 1 kOhms ±1% 1W metal film resistors in military applications.

Frequently Asked Questions (FAQ)

Q: Are RLR32C1001FMB14 and RLR32C1001FRB14 electrically interchangeable?

A: Yes. Both parts have identical electrical specifications: 1 kOhms resistance, ±1% tolerance, 1W power rating, ±100ppm/°C temperature coefficient, and -65°C ~ 150°C operating temperature range.

Q: Are these parts mechanically interchangeable?

A: Yes. Both parts share identical physical dimensions (0.190" Dia x 0.562" L) and axial package configuration, allowing direct substitution in PCB layouts and through-hole applications.

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

A: The primary difference is the failure rate specification. The RLR32C1001FRB14 has a failure rate of R (0.01%), while the RLR32C1001FMB14 has a failure rate of M (1%). Both parts meet MIL-PRF-39017/03 military specifications.

Q: Can I use RLR32C1001FRB14 as a replacement for RLR32C1001FMB14?

A: Yes. The RLR32C1001FRB14 is a direct substitute with superior reliability characteristics and identical electrical and mechanical parameters.

Q: Are there any compliance differences between these parts?

A: No. Both parts have identical compliance status: RoHS non-compliant, REACH affected, and ECCN EAR99 classification.

Q: What should I consider when selecting between these parts?

A: Selection should be based on application reliability requirements and current inventory levels. The RLR32C1001FRB14 offers lower failure rate performance. Both parts are active in production and available in stock.