RN55C2210FRE6 Equivalent & Substitute Parts

Part Overview

The RN55C2210FRE6 is a 221 Ohm, 1/8W metal film axial resistor manufactured by Vishay Dale, designed for military applications per MIL-R-10509/7 specification. This component features flame retardant coating, moisture resistance, and safety-rated construction suitable for high-reliability electronic assemblies. The part maintains Active product status with 1653 units currently in stock. Substitute parts are identified to address packaging format availability, tolerance requirements, or inventory constraints while maintaining electrical and mechanical compatibility.

Substiute Parts

RN55C2210FRE6

Vishay DaleIn Stock: 1754RN55C2210FRE6 Datasheet

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RN55E2210BB14

Vishay DaleIn Stock: 1122RN55E2210BB14 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RN55C2210FRE6 is determined by the following critical parameters:

• Resistance Value: Must be 221 Ohms
• Power Rating: Must be 0.125W (1/8W)
• Package Type: Must be Axial configuration
• Physical Dimensions: Must match 0.090" Dia × 0.240" L (2.29mm × 6.10mm)
• Composition: Must be Metal Film
• Operating Temperature Range: Must support -65°C to 175°C
• Series Compliance: Must conform to MIL-R-10509/7 military specification
• Features: Must include Flame Retardant Coating, Military rating, and Moisture Resistance

The RN55E2210BB14 qualifies as a substitute part because it maintains identical resistance, power rating, package type, physical dimensions, composition, operating temperature range, and military series designation. Tolerance and temperature coefficient represent improved specifications rather than compatibility constraints.

Parameter Comparison

Engineering Selection Recommendations

The RN55E2210BB14 is electrically and mechanically compatible with the RN55C2210FRE6 for direct substitution in circuit applications. Both components maintain Active product status and comply with MIL-R-10509/7 military specification requirements. The substitute part offers improved tolerance (±0.1% versus ±1%) and superior temperature coefficient stability (±25ppm/°C versus ±50ppm/°C), making it suitable for applications requiring tighter resistance accuracy or enhanced thermal stability.

Selection between these parts should be based on packaging requirements: the RN55C2210FRE6 is supplied in Cut Tape format, while the RN55E2210BB14 is supplied in Bulk format. Both parts are RoHS non-compliant and REACH Affected, with identical compliance classifications. Inventory availability and procurement lead times may also influence part selection, with 1653 units of the main part and 1071 units of the substitute currently in stock.

Frequently Asked Questions (FAQ)

Q: Can RN55E2210BB14 be used as a direct replacement for RN55C2210FRE6?

A: Yes. Both parts are electrically and mechanically identical in resistance value, power rating, package type, physical dimensions, and operating temperature range. The substitute offers improved tolerance and temperature coefficient specifications.

Q: What is the difference between Cut Tape and Bulk packaging?

A: Cut Tape (CT) packaging supplies components on continuous tape that is cut to specific lengths for automated assembly. Bulk packaging supplies loose components. Both formats contain identical components; packaging format selection depends on assembly equipment and production volume requirements.

Q: Are there any compliance differences between these parts?

A: No. Both parts share identical RoHS non-compliant and REACH Affected status. Both conform to MIL-R-10509/7 military specification and include identical features: Flame Retardant Coating, Military rating, and Moisture Resistance.

Q: Does the improved tolerance of RN55E2210BB14 affect circuit performance?

A: The ±0.1% tolerance of RN55E2210BB14 is tighter than the ±1% tolerance of RN55C2210FRE6. This provides improved resistance accuracy and may benefit applications requiring precise voltage dividers, reference circuits, or measurement instrumentation. Standard applications tolerating ±1% variation will function identically with either part.

Q: What is the significance of temperature coefficient in these resistors?

A: Temperature coefficient indicates resistance value change per degree Celsius. The RN55E2210BB14 exhibits ±25ppm/°C compared to ±50ppm/°C for RN55C2210FRE6. Lower temperature coefficient means better resistance stability across the -65°C to 175°C operating range, beneficial for precision circuits or applications experiencing wide temperature variations.