RLR20C1001GSRSL Equivalent & Substitute Parts

Part Overview

The RLR20C1001GSRSL is a 1 kOhm ±2% metal film through-hole resistor rated at 0.5W (1/2W) in axial package configuration. Manufactured by Vishay Dale under the military-grade RLR20 series (MIL-PRF-39017/02), this component is designed for applications requiring moisture resistance and weldability in military and high-reliability environments. The part maintains active product status with 775 units currently in stock. Substitute parts may be required due to inventory constraints, supply chain considerations, or specific packaging preferences while maintaining identical electrical and mechanical specifications.

Substiute Parts

RLR20C1001GSRSL
Vishay DaleIn Stock: 831RLR20C1001GSRSL Datasheet
RLR20C1001GSRSL
Current Part
RLR20C1001GSB14
Vishay DaleIn Stock: 1099RLR20C1001GSB14 Datasheet
RLR20C1001GSB14
Parametric Equivalent

Key Parameters

Parameter Specification
Resistance Value 1 kOhms
Tolerance ±2%
Power Rating 0.5W (1/2W)
Composition Metal Film
Temperature Coefficient ±100ppm/°C
Operating Temperature Range -65°C to 150°C
Package Type Axial
Physical Dimensions 0.138" Dia × 0.375" L (4.61mm × 9.53mm)
Terminations 2
Series Classification Military, MIL-PRF-39017/02, RLR20
Features Military, Moisture Resistant, Weldable
Failure Rate S (0.001%)

Substitute Part Grouping Explanation

Substitution eligibility for the RLR20C1001GSRSL is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part RLR20C1001GSB14 qualifies as a direct equivalent based on the following criteria:

  • Identical resistance value: 1 kOhms
  • Matching tolerance: ±2%
  • Equivalent power rating: 0.5W (1/2W)
  • Same composition: Metal Film
  • Identical temperature coefficient: ±100ppm/°C
  • Matching operating temperature range: -65°C to 150°C
  • Same package configuration: Axial
  • Identical physical dimensions: 0.138" Dia × 0.375" L (4.61mm × 9.53mm)
  • Same series classification: Military, MIL-PRF-39017/02, RLR20
  • Equivalent failure rate: S (0.001%)

Both parts are manufactured by Vishay Dale and maintain identical military-grade specifications and environmental performance characteristics.

Parameter Comparison

Parameter RLR20C1001GSRSL RLR20C1001GSB14 Match Status
Manufacturer Vishay Dale Vishay Dale Identical
Resistance Value 1 kOhms 1 kOhms Identical
Tolerance ±2% ±2% Identical
Power Rating 0.5W (1/2W) 0.5W (1/2W) Identical
Composition Metal Film Metal Film Identical
Temperature Coefficient ±100ppm/°C ±100ppm/°C Identical
Operating Temperature Range -65°C to 150°C -65°C to 150°C Identical
Package Type Axial Axial Identical
Physical Dimensions 0.138" Dia × 0.375" L (4.61mm × 9.53mm) 0.138" Dia × 0.375" L (4.61mm × 9.53mm) Identical
Terminations 2 2 Identical
Series Military, MIL-PRF-39017/02, RLR20 Military, MIL-PRF-39017/02, RLR20 Identical
Features Military, Moisture Resistant, Weldable Military, Moisture Resistant, Weldable Identical
Failure Rate S (0.001%) S (0.001%) Identical
Product Status Active Active Identical
RoHS Status RoHS non-compliant RoHS non-compliant Identical
REACH Status REACH Affected REACH Affected Identical

Engineering Selection Recommendations

Both RLR20C1001GSRSL and RLR20C1001GSB14 are active, production-status components manufactured by Vishay Dale with identical electrical, mechanical, and environmental specifications. Selection between these parts should be based on inventory availability and supply chain requirements, as they are functionally and physically interchangeable.

Both parts maintain RoHS non-compliant and REACH Affected status, reflecting their military-grade classification. Compliance requirements for end-use applications must be evaluated independently of part selection.

The RLR20C1001GSB14 currently maintains higher inventory availability (998 units) compared to the RLR20C1001GSRSL (775 units), which may influence procurement decisions for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Are RLR20C1001GSRSL and RLR20C1001GSB14 electrically interchangeable?

A: Yes. Both parts have identical resistance values (1 kOhms), tolerance (±2%), power ratings (0.5W), temperature coefficients (±100ppm/°C), and operating temperature ranges (-65°C to 150°C). They are direct electrical equivalents.

Q: Can these parts be used interchangeably in PCB designs?

A: Yes. Both parts share identical axial package configurations and physical dimensions (0.138" Dia × 0.375" L / 4.61mm × 9.53mm). They are mechanically and physically interchangeable with no design modifications required.

Q: What is the difference between RLR20C1001GSRSL and RLR20C1001GSB14?

A: Both parts are manufactured by Vishay Dale under the same military RLR20 series (MIL-PRF-39017/02) with identical specifications. The difference in part number suffix reflects packaging or distribution variants only, with no impact on electrical or mechanical performance.

Q: Are both parts suitable for military applications?

A: Yes. Both parts are classified as military-grade components under MIL-PRF-39017/02 with moisture resistance and weldability features. Both maintain identical failure rates (S, 0.001%) and environmental performance characteristics required for military applications.

Q: What are the compliance considerations for these parts?

A: Both parts are RoHS non-compliant and REACH Affected. End-use application compliance requirements must be evaluated independently of part selection, as both parts share identical regulatory status.

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