RC5025F1783CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F1783CS is a 178 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.667W (2/3W) in a 2010 (5025 Metric) package. This component is classified as Active product status with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. Substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating, temperature coefficient) and mechanical compatibility (package type, dimensions, termination count) while maintaining compliance with applicable standards.

Substiute Parts

RC5025F1783CS

Samsung Electro-MechanicsIn Stock: 1075RC5025F1783CS Datasheet

Current PartRFQ

CRCW2010178KFKEF

Vishay DaleIn Stock: 4485CRCW2010178KFKEF Datasheet

SimilarRFQ

ERJ-12SF1783U

Panasonic Electronic ComponentsIn Stock: 10947ERJ-12SF1783U Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC5025F1783CS are qualified based on the following criteria:

Electrical Compatibility:

• Resistance value: 178 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)
• Composition: Thick Film (exact match required)

Mechanical Compatibility:

• Package type: 2010 (5025 Metric) (exact match required)
• Physical dimensions: 0.197" L x 0.098" W / 5.00mm x 2.50mm (exact match required)
• Number of terminations: 2 (exact match required)

Regulatory & Environmental Compliance:

• RoHS3 Compliant status
• Moisture Sensitivity Level 1 (Unlimited)
• REACH Unaffected status

The RC5025F1783CS operates at 0.667W (2/3W). Substitute parts rated at 0.75W (3/4W) or higher maintain full electrical compatibility while providing additional power dissipation margin. All identified substitutes meet or exceed the specified electrical and mechanical parameters.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: CRCW2010178KFKEF (Vishay Dale)

The CRCW2010178KFKEF is the preferred substitute for the RC5025F1783CS. Both components share identical electrical specifications (178 kOhms ±1%, ±100ppm/°C, -55°C ~ 155°C operating range) and mechanical compatibility (2010 package, 5.00mm x 2.50mm dimensions). The CRCW2010178KFKEF provides a higher power rating (0.75W versus 0.667W), offering additional thermal margin. Both parts maintain ROHS3 compliance, MSL Level 1, and REACH Unaffected status. The CRCW2010178KFKEF carries AEC-Q200 automotive qualification and is classified as Active product status, ensuring continued availability and support.

Secondary Substitute: ERJ-12SF1783U (Panasonic Electronic Components)

The ERJ-12SF1783U meets all electrical and mechanical compatibility requirements with the RC5025F1783CS. Electrical parameters are identical (178 kOhms ±1%, ±100ppm/°C, -55°C ~ 155°C). The component is packaged in the same 2010 (5025 Metric) format with matching dimensions. The ERJ-12SF1783U includes AEC-Q200 automotive qualification and maintains ROHS3 compliance and MSL Level 1 rating. However, this part is designated as "Not For New Designs," indicating that Panasonic has discontinued active development. Selection of this substitute should be limited to legacy system support or applications where existing inventory is available.

Selection Criteria Summary:

For new designs and active production, select CRCW2010178KFKEF. For legacy system maintenance where ERJ-12SF1783U inventory exists, this part remains electrically and mechanically compatible. The RC5025F1783CS remains suitable for applications where the 0.667W power rating is sufficient and Samsung Electro-Mechanics supply chain is preferred.

Frequently Asked Questions (FAQ)

Q: Can CRCW2010178KFKEF directly replace RC5025F1783CS in existing designs?

A: Yes. Both components have identical resistance (178 kOhms), tolerance (±1%), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). The 2010 (5025 Metric) package dimensions and pin configuration are identical. The CRCW2010178KFKEF's higher power rating (0.75W versus 0.667W) provides additional thermal capability without affecting circuit performance.

Q: What is the difference between the 0.667W and 0.75W power ratings?

A: The power rating indicates the maximum continuous power dissipation at specified ambient temperature. The CRCW2010178KFKEF (0.75W) can safely dissipate more heat than the RC5025F1783CS (0.667W). In applications where the RC5025F1783CS dissipates less than 0.667W, the CRCW2010178KFKEF operates with additional thermal margin. Both parts maintain identical electrical performance at equivalent power levels.

Q: Why is ERJ-12SF1783U marked "Not For New Designs"?

A: This designation indicates that Panasonic has transitioned this product to end-of-life status and is not recommending it for new circuit designs. Existing inventory may remain available, and the part remains electrically and mechanically compatible. For new designs, CRCW2010178KFKEF is the recommended substitute.

Q: Are there height differences between these parts?

A: The RC5025F1783CS has a maximum seated height of 0.026" (0.66mm), while both CRCW2010178KFKEF and ERJ-12SF1783U have a maximum seated height of 0.028" (0.70mm). This 0.002" (0.04mm) difference is negligible for most PCB assembly applications and does not affect mechanical fit in standard 2010 package footprints.

Q: Do all three parts meet RoHS and REACH compliance?

A: Yes. RC5025F1783CS, CRCW2010178KFKEF, and ERJ-12SF1783U are all ROHS3 Compliant, REACH Unaffected, and carry Moisture Sensitivity Level 1 (Unlimited). All parts are suitable for applications requiring environmental compliance certification.

Q: What is the significance of AEC-Q200 rating on the substitute parts?

A: AEC-Q200 is an automotive industry qualification standard. CRCW2010178KFKEF and ERJ-12SF1783U carry this certification, indicating they meet automotive-grade reliability and performance requirements. The RC5025F1783CS does not specify AEC-Q200 rating. If automotive qualification is required, select CRCW2010178KFKEF or ERJ-12SF1783U.

Q: Can these parts be used interchangeably in the same PCB design?

A: Yes. All three parts share identical electrical specifications, the same 2010 (5025 Metric) package footprint, and compatible physical dimensions. PCB layout and component placement do not require modification when substituting between these parts.