RN55E1001FRSL Equivalent & Substitute Parts

Part Overview

The RN55E1001FRSL is a 1 kOhms ±1% metal film axial resistor rated at 0.125W (1/8W) manufactured by Vishay Dale. This component is part of the military-grade RN55 series, featuring flame retardant coating, moisture resistance, and safety certifications per MIL-R-10509/7. The part is currently active in production with 1136 units in stock. Substitute parts are identified to address packaging availability, tolerance requirements, and inventory considerations while maintaining electrical and mechanical compatibility.

Substiute Parts

RN55E1001FRSL

Vishay DaleIn Stock: 1195RN55E1001FRSL Datasheet

Current PartRFQ

RN55E1001FB14

Vishay DaleIn Stock: 1065RN55E1001FB14 Datasheet

DirectRFQ

RN55E1001BB14

Vishay DaleIn Stock: 1946RN55E1001BB14 Datasheet

UpgradeRFQ

RN55E1001BRE6

Vishay DaleIn Stock: 1169RN55E1001BRE6 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RN55E1001FRSL is determined by the following criteria:

Electrical Parameters (Must Match):

• Resistance value: 1 kOhms
• Power rating: 0.125W (1/8W)
• Composition: Metal Film
• Temperature coefficient: ±25ppm/°C
• Operating temperature range: -65°C to 175°C

Mechanical Parameters (Must Match):

• Package type: Axial
• Physical dimensions: 0.090" Dia × 0.240" L (2.29mm × 6.10mm)
• Number of terminations: 2

Allowable Variations:

• Tolerance: ±1% (main part) to ±0.1% (upgrade substitutes) — tighter tolerance is acceptable
• Packaging format: Tape & Reel (TR), Bulk, or Cut Tape (CT) — format variation does not affect electrical or mechanical compatibility

All identified substitutes maintain identical electrical performance and physical form factor while offering alternative packaging options and, in upgrade cases, improved tolerance specifications.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Tolerance): RN55E1001FB14 is a direct electrical equivalent to RN55E1001FRSL, maintaining ±1% tolerance and identical electrical specifications. The only difference is packaging format (Bulk vs. Tape & Reel). Selection of this part is appropriate when bulk packaging meets assembly requirements and inventory availability is prioritized.

Upgrade Substitutes (Improved Tolerance): RN55E1001BB14 and RN55E1001BRE6 both offer ±0.1% tolerance, representing a tighter tolerance specification than the original ±1% part. These upgrades maintain all other electrical and mechanical parameters. RN55E1001BB14 is supplied in Bulk format, while RN55E1001BRE6 is supplied in Cut Tape format. Both parts are suitable for applications requiring higher precision resistor values without any electrical or mechanical compromise.

All substitute parts maintain active product status and full compliance with military specifications (MIL-R-10509/7), RoHS non-compliance status, REACH affected designation, and identical regulatory classifications (ECCN: EAR99, HTSUS: 8533.21.0090).

Frequently Asked Questions (FAQ)

Q: Can RN55E1001FB14 be used as a direct replacement for RN55E1001FRSL? A: Yes. RN55E1001FB14 is electrically and mechanically identical to RN55E1001FRSL. The only difference is packaging format (Bulk vs. Tape & Reel). Both parts have ±1% tolerance, identical resistance, power rating, temperature coefficient, and operating range.

Q: What is the difference between the upgrade parts (RN55E1001BB14 and RN55E1001BRE6) and the original part? A: The upgrade parts feature ±0.1% tolerance compared to the original ±1% tolerance. All other electrical and mechanical specifications remain identical. The tighter tolerance provides higher precision for applications requiring more accurate resistor values.

Q: Are there packaging differences between the substitute parts? A: Yes. RN55E1001FRSL is supplied in Tape & Reel (TR) format. RN55E1001FB14 and RN55E1001BB14 are supplied in Bulk format. RN55E1001BRE6 is supplied in Cut Tape (CT) format. Packaging format does not affect electrical or mechanical compatibility; selection depends on assembly process requirements.

Q: Do all substitute parts meet the same military specifications? A: Yes. All parts are part of the military-grade RN55 series and comply with MIL-R-10509/7. All parts share identical regulatory classifications, RoHS status, REACH status, and compliance codes.

Q: Which substitute part should I select if I need the highest precision? A: Both RN55E1001BB14 and RN55E1001BRE6 offer ±0.1% tolerance. Selection between these two depends on packaging preference: RN55E1001BB14 for Bulk format or RN55E1001BRE6 for Cut Tape format.