RMCS1206FT187K Equivalent & Substitute Parts

Part Overview

The RMCS1206FT187K is a 187 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Stackpole Electronics Inc. This component is currently in active production status. Substitute parts may be required due to supply chain constraints, regional availability, or specific application requirements such as automotive qualification or enhanced environmental protection.

Substiute Parts

RMCS1206FT187K

Stackpole Electronics IncIn Stock: 1173RMCS1206FT187K Datasheet

Current PartRFQ

CRCW1206187KFKEA

Vishay DaleIn Stock: 15913CRCW1206187KFKEA Datasheet

MFR RecommendedRFQ

ERJ-8ENF1873V

Panasonic Electronic ComponentsIn Stock: 58233ERJ-8ENF1873V Datasheet

MFR RecommendedRFQ

RC1206FR-07187KL

YAGEOIn Stock: 5618RC1206FR-07187KL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RMCS1206FT187K are qualified based on the following critical parameters:

• Resistance value: 187 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.25W / 1/4W (exact match required)
• Package: 1206 (3216 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)
• RoHS3 compliance (required for regulatory alignment)
• Moisture Sensitivity Level 1 (required for storage and handling compatibility)

All qualified substitutes maintain identical electrical performance and mechanical compatibility with the original part. Variations in features (such as automotive qualification or moisture resistance) do not affect core substitution eligibility but may influence selection based on application-specific requirements.

Parameter Comparison

Engineering Selection Recommendations

All four parts meet the core electrical and mechanical requirements for direct substitution. Selection should be based on product status and application-specific certifications:

CRCW1206187KFKEA (Vishay Dale) is suitable for automotive applications requiring AEC-Q200 qualification and is in active production status.

ERJ-8ENF1873V (Panasonic) carries AEC-Q200 automotive qualification but is marked as "Not For New Designs," making it appropriate only for legacy system maintenance or replacement scenarios where existing supply chains are established.

RC1206FR-07187KL (YAGEO) is in active production status with moisture-resistant characteristics, suitable for general industrial and consumer applications.

RMCS1206FT187K (Stackpole Electronics Inc) remains the primary reference part with anti-sulfur protection and active production status.

Frequently Asked Questions (FAQ)

Q: Can CRCW1206187KFKEA replace RMCS1206FT187K in all applications?

A: Yes. Both parts share identical electrical specifications (187 kOhms ±1%, 0.25W, ±100ppm/°C, -55°C ~ 155°C) and package dimensions (1206). The CRCW1206187KFKEA includes automotive AEC-Q200 qualification, which does not restrict use in non-automotive applications.

Q: Why is ERJ-8ENF1873V marked "Not For New Designs"?

A: This designation indicates the manufacturer is phasing out this part number for new product development. It remains available for existing designs and replacement stock but should not be selected for new circuit designs. Use CRCW1206187KFKEA or RC1206FR-07187KL for new designs.

Q: Are there physical dimension differences between these parts?

A: Minor variations exist within acceptable tolerances. RMCS1206FT187K and RC1206FR-07187KL measure 0.122" L × 0.061" W with 0.026" max height. CRCW1206187KFKEA and ERJ-8ENF1873V measure 0.126" L × 0.063" W with 0.024" and 0.028" max heights respectively. All dimensions remain compatible with standard 1206 footprints.

Q: Do all substitutes maintain the same moisture sensitivity level?

A: Yes. All four parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage, handling, or reflow processes.

Q: Which substitute offers the best environmental protection?

A: RMCS1206FT187K features anti-sulfur protection. CRCW1206187KFKEA and ERJ-8ENF1873V include automotive AEC-Q200 qualification. RC1206FR-07187KL includes moisture-resistant characteristics. Selection depends on specific environmental exposure requirements.