RN55C1001DBSL Equivalent & Substitute Parts

Part Overview

The RN55C1001DBSL is a 1 kOhms ±0.5% metal film through-hole resistor rated at 0.125W (1/8W) in axial package configuration. Manufactured by Vishay Dale under the military-grade RN55 series per MIL-R-10509/7 specification, this component features flame retardant coating and moisture resistance suitable for military and high-reliability applications. The part is currently active in production with 979 units in stock. Equivalent and substitute parts are identified based on matching resistance value, power rating, package type, and operating temperature range while allowing for tolerance and temperature coefficient variations within acceptable engineering parameters.

Substiute Parts

RN55C1001DBSL

Vishay DaleIn Stock: 1067RN55C1001DBSL Datasheet

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RN55C1001BB14

Vishay DaleIn Stock: 2318RN55C1001BB14 Datasheet

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RN55E1001BB14

Vishay DaleIn Stock: 1946RN55E1001BB14 Datasheet

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RN55E1001BRE6

Vishay DaleIn Stock: 1169RN55E1001BRE6 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RN55C1001DBSL are qualified based on the following criteria:

Primary Matching Parameters (Non-Negotiable):

• Resistance value: 1 kOhms
• Power rating: 0.125W (1/8W)
• Package type: Axial
• Operating temperature range: -65°C to 175°C
• Composition: Metal Film
• Series: RN55 military-grade

Secondary Allowable Variations:

• Tolerance: May be tighter (lower value) than ±0.5%
• Temperature coefficient: May be tighter (lower value) than ±50ppm/°C
• Packaging format: Bulk or Cut Tape (CT) are both acceptable for through-hole axial components

All identified substitutes maintain identical electrical performance within the specified operating envelope while offering improved tolerance specifications or alternative packaging options.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts maintain active production status and are manufactured by Vishay Dale under the same military RN55 series specification. Selection between the main part and substitutes should be based on the following criteria:

RN55C1001DBSL (Original): Select when ±0.5% tolerance and ±50ppm/°C temperature coefficient meet circuit requirements and bulk packaging is preferred.

RN55C1001BB14: Select as a direct upgrade when improved tolerance of ±0.1% is required while maintaining the same temperature coefficient specification. Bulk packaging format is maintained.

RN55E1001BB14: Select when both improved tolerance (±0.1%) and improved temperature coefficient (±25ppm/°C) are required. Bulk packaging format is maintained.

RN55E1001BRE6: Select when improved tolerance (±0.1%) and improved temperature coefficient (±25ppm/°C) are required with Cut Tape packaging format for automated assembly processes.

All parts comply with RoHS non-compliant status, REACH affected designation, and ECCN EAR99 classification as provided. No compliance upgrades are available within this substitution group.

Frequently Asked Questions (FAQ)

Q: Can RN55C1001BB14 be used as a direct replacement for RN55C1001DBSL?

A: Yes. Both parts share identical resistance (1 kOhms), power rating (0.125W), package type (axial), operating temperature range (-65°C to 175°C), and physical dimensions. RN55C1001BB14 offers improved tolerance (±0.1% versus ±0.5%) while maintaining the same temperature coefficient (±50ppm/°C).

Q: What is the difference between RN55E1001BB14 and RN55E1001BRE6?

A: Both parts are electrically identical with 1 kOhms resistance, ±0.1% tolerance, and ±25ppm/°C temperature coefficient. The primary difference is packaging format: RN55E1001BB14 is supplied in Bulk, while RN55E1001BRE6 is supplied in Cut Tape (CT) format suitable for automated pick-and-place assembly.

Q: Are all substitute parts suitable for military applications?

A: Yes. All parts in this substitution group are manufactured under the military-grade RN55 series per MIL-R-10509/7 specification and include flame retardant coating and moisture resistance features.

Q: Can I substitute a part with tighter tolerance specifications?

A: Yes. Substituting with a part having tighter tolerance (lower percentage value) is electrically compatible and does not introduce risk. The RN55C1001BB14, RN55E1001BB14, and RN55E1001BRE6 all offer ±0.1% tolerance compared to the original ±0.5%, providing improved precision.

Q: Does packaging format affect electrical performance?

A: No. Bulk and Cut Tape (CT) packaging formats contain identical components. The choice between formats depends on assembly process requirements: Bulk for manual or semi-automated assembly, Cut Tape for fully automated pick-and-place systems.

Q: What is the temperature coefficient and why does it matter?

A: Temperature coefficient (ppm/°C) specifies how much the resistance value changes per degree Celsius change in operating temperature. The RN55C1001DBSL has ±50ppm/°C, while RN55E1001BB14 and RN55E1001BRE6 have ±25ppm/°C. Tighter temperature coefficients provide better stability across the -65°C to 175°C operating range.