RC5025F14R7CS Equivalent & Substitute Parts

Part Overview

The RC5025F14R7CS is a 14.7 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated for 0.667W (2/3W) power dissipation in a 2010 (5025 Metric) surface mount package. This component is classified as Active product status and features moisture-resistant construction suitable for general industrial and commercial applications.

Substitute parts become necessary when the primary component experiences supply constraints, extended lead times, or when design requirements permit the use of alternative manufacturers' components with equivalent or superior electrical and mechanical characteristics. The ERJ-12SF14R7U from Panasonic Electronic Components serves as a direct functional equivalent, though it carries a "Not For New Designs" status and offers increased power rating.

Substiute Parts

RC5025F14R7CS

Samsung Electro-MechanicsIn Stock: 927RC5025F14R7CS Datasheet

Current PartRFQ

ERJ-12SF14R7U

Panasonic Electronic ComponentsIn Stock: 13938ERJ-12SF14R7U Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC5025F14R7CS is permissible when the replacement component satisfies all of the following criteria:

Mandatory Matching Parameters:

• Resistance value: 14.7 Ohms (exact match required)
• Tolerance: ±1% (equivalent or tighter tolerance acceptable)
• Package / Case: 2010 (5025 Metric) (identical footprint required)
• Composition: Thick Film (same technology type)
• Temperature Coefficient: ±100ppm/°C (equivalent or better stability)
• Operating Temperature Range: -55°C ~ 155°C (minimum coverage required)
• RoHS Status: ROHS3 Compliant (regulatory requirement)
• Moisture Sensitivity Level: MSL 1 (Unlimited) (equivalent or better)

Acceptable Variation Parameters:

• Power Rating: Substitute components rated at 0.75W (3/4W) or higher are acceptable, as they provide equal or superior thermal performance
• Manufacturer: Different manufacturers permitted provided all mandatory parameters are met
• Product Status: Active or Not For New Designs status does not preclude substitution for existing designs
• Packaging Format: Tape & Reel (TR) or alternative packaging acceptable for equivalent component

The ERJ-12SF14R7U meets all mandatory parameters and exceeds the power rating specification, making it a valid substitute for the RC5025F14R7CS.

Parameter Comparison

Engineering Selection Recommendations

For Active Design Programs: The RC5025F14R7CS is the preferred component selection, as it maintains Active product status from Samsung Electro-Mechanics. This designation ensures continued availability, manufacturing support, and long-term supply chain stability for new product development.

For Existing Production or Maintenance Applications: The ERJ-12SF14R7U from Panasonic Electronic Components is a valid substitute when RC5025F14R7CS availability is constrained. Although designated "Not For New Designs," this component is suitable for sustaining production, field replacements, and repair applications. The ERJ-12SF14R7U provides the following advantages:

• Increased power rating (0.75W versus 0.667W) provides additional thermal margin
• Automotive AEC-Q200 qualification adds robustness certification
• Identical electrical parameters (14.7 Ohms ±1%, ±100ppm/°C, -55°C ~ 155°C)
• Identical package footprint (2010 / 5025 Metric) ensures PCB compatibility
• Equivalent regulatory compliance (ROHS3, REACH Unaffected, MSL 1)

Compliance Verification: Both components satisfy ROHS3 compliance and REACH unaffected status, making them suitable for applications subject to European Union environmental regulations. The MSL 1 (Unlimited) moisture sensitivity rating on both components eliminates special handling or baking requirements prior to assembly.

Height Consideration: The ERJ-12SF14R7U seated height maximum of 0.028" (0.70mm) exceeds the RC5025F14R7CS maximum of 0.026" (0.66mm) by 0.002" (0.04mm). This minimal difference is within standard PCB assembly tolerances and does not present a constraint for typical surface mount applications.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-12SF14R7U be used as a direct replacement for the RC5025F14R7CS in existing designs?

A: Yes. The ERJ-12SF14R7U is electrically and mechanically compatible with the RC5025F14R7CS. Both components share identical resistance value (14.7 Ohms), tolerance (±1%), package footprint (2010 / 5025 Metric), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). The substitute component's higher power rating (0.75W versus 0.667W) provides additional thermal performance margin.

Q: Why is the ERJ-12SF14R7U marked "Not For New Designs"?

A: The "Not For New Designs" designation indicates that Panasonic Electronic Components does not recommend this component for new product development programs. However, this status does not affect the component's suitability for sustaining production, field replacements, or repair of existing equipment. The component remains fully functional and compliant with all specified electrical and regulatory requirements.

Q: Are there any PCB layout modifications required when substituting the ERJ-12SF14R7U for the RC5025F14R7CS?

A: No PCB layout modifications are required. Both components use the identical 2010 (5025 Metric) package with 0.197" length and 0.098" width. The seated height difference of 0.002" (0.04mm) is negligible and falls within standard surface mount assembly tolerances. Existing PCB footprints, solder paste stencils, and pick-and-place machine programs require no adjustment.

Q: What is the significance of the AEC-Q200 qualification on the ERJ-12SF14R7U?

A: AEC-Q200 is an automotive industry qualification standard that certifies component reliability under automotive operating conditions, including temperature cycling, vibration, and humidity exposure. While the RC5025F14R7CS does not carry this certification, the ERJ-12SF14R7U's AEC-Q200 rating provides additional assurance of robustness for applications requiring enhanced reliability. This certification does not restrict use in non-automotive applications.

Q: Do both components require special handling or storage procedures?

A: No. Both the RC5025F14R7CS and ERJ-12SF14R7U carry MSL 1 (Unlimited) moisture sensitivity ratings. This classification indicates that the components do not require moisture-controlled storage, baking prior to assembly, or special handling procedures. Standard warehouse storage conditions are acceptable.

Q: Can the ERJ-12SF14R7U be used in applications where the RC5025F14R7CS power rating is a critical design parameter?

A: The ERJ-12SF14R7U's 0.75W power rating exceeds the RC5025F14R7CS specification of 0.667W. In applications where the circuit design relies on the exact 0.667W power dissipation characteristic, the substitute component's higher rating does not create a functional problem. The component will dissipate power at the same rate as the original; the higher rating simply indicates greater thermal capacity. No circuit redesign is necessary.

Q: Are there regulatory or compliance differences between the two components?

A: Both components are ROHS3 compliant and REACH unaffected. No regulatory or compliance differences exist between the RC5025F14R7CS and ERJ-12SF14R7U. Both components satisfy the same environmental and hazardous substance restrictions applicable to electronic components in regulated markets.

Q: What is the temperature coefficient specification, and why does it matter for substitution?

A: Both components specify ±100ppm/°C temperature coefficient, meaning the resistance value changes by a maximum of 100 parts per million for each degree Celsius change in operating temperature. This identical specification ensures that both components exhibit equivalent resistance stability across the -55°C ~ 155°C operating range. No performance difference occurs due to temperature-induced resistance drift.