RC3216F1242CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F1242CS is a 12.4 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film, moisture-resistant resistor operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently in active production status with 818 pieces available in inventory. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental compliance requirements.

Substiute Parts

RC3216F1242CS

Samsung Electro-MechanicsIn Stock: 857RC3216F1242CS Datasheet

Current PartRFQ

CR1206-FX-1242ELF

Bourns Inc.In Stock: 63025CR1206-FX-1242ELF Datasheet

DirectRFQ

RC1206FR-0712K4L

YAGEOIn Stock: 69412RC1206FR-0712K4L Datasheet

DirectRFQ

CRCW120612K4FKEA

Vishay DaleIn Stock: 14708CRCW120612K4FKEA Datasheet

SimilarRFQ

ERJ-8ENF1242V

Panasonic Electronic ComponentsIn Stock: 54280ERJ-8ENF1242V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on functional equivalence and application suitability:

Direct Equivalents maintain identical electrical and mechanical specifications with no additional features or restrictions:

• CR1206-FX-1242ELF (Bourns Inc.)
• RC1206FR-0712K4L (YAGEO)

These parts share the core specifications: 12.4 kOhms ±1%, 0.25W power rating, 1206 package, thick film composition, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, ROHS3 compliance, and MSL 1 rating.

Similar Parts with Enhanced Features meet all electrical and mechanical requirements but include automotive-grade qualification:

• CRCW120612K4FKEA (Vishay Dale)
• ERJ-8ENF1242V (Panasonic Electronic Components)

These parts add AEC-Q200 automotive qualification while maintaining identical core electrical specifications and environmental ratings. CRCW120612K4FKEA is in active production; ERJ-8ENF1242V is marked "Not For New Designs."

Substitution is valid when the application requires the specified resistance value, tolerance, power rating, package form factor, and environmental compliance. All listed parts are ROHS3 compliant with MSL 1 rating.

Parameter Comparison

Engineering Selection Recommendations

For Standard Applications: CR1206-FX-1242ELF (Bourns Inc.) and RC1206FR-0712K4L (YAGEO) are direct functional equivalents to RC3216F1242CS. Both are in active production with high inventory availability (62,966 and 69,353 pieces respectively) and maintain identical electrical and environmental specifications. Selection between these two depends on supply chain preference and packaging format (both supplied in Tape & Reel).

For Automotive Applications: CRCW120612K4FKEA (Vishay Dale) is the appropriate selection when AEC-Q200 automotive qualification is required. This part maintains all core electrical specifications while adding automotive-grade reliability certification. It is in active production status with 14,612 pieces in inventory.

Obsolescence Consideration: ERJ-8ENF1242V (Panasonic Electronic Components) is marked "Not For New Designs" and should not be selected for new product development, despite meeting all electrical and compliance requirements. This part is suitable only for legacy system maintenance or repair applications where existing designs already incorporate this component.

All substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-0712K4L replace RC3216F1242CS in any application?

A: Yes. RC1206FR-0712K4L (YAGEO) is a direct equivalent with identical resistance value (12.4 kOhms), tolerance (±1%), power rating (0.25W), package (1206), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and compliance ratings (ROHS3, MSL 1). Physical dimensions are within acceptable tolerance for PCB footprint compatibility.

Q: What is the difference between CR1206-FX-1242ELF and CRCW120612K4FKEA?

A: Both parts meet the core electrical specifications of 12.4 kOhms ±1% at 0.25W in 1206 package. The primary difference is that CRCW120612K4FKEA includes AEC-Q200 automotive qualification, making it suitable for automotive applications. CR1206-FX-1242ELF is a standard industrial-grade part. Selection depends on application requirements.

Q: Why is ERJ-8ENF1242V marked "Not For New Designs"?

A: ERJ-8ENF1242V is in end-of-life status. While it meets all electrical and compliance specifications, Panasonic has discontinued active development and recommends against its use in new product designs. It remains available for legacy system support only.

Q: Are all substitute parts available in the same packaging format?

A: CR1206-FX-1242ELF, RC1206FR-0712K4L, CRCW120612K4FKEA, and ERJ-8ENF1242V are all supplied in Tape & Reel (TR) format. The original RC3216F1242CS packaging format is not specified in the provided data. Confirm packaging compatibility with your assembly process requirements.

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

A: Yes, for electrical function. All parts share identical 1206 (3216 Metric) package dimensions and footprint. Physical dimensions vary slightly (length 3.10mm to 3.20mm, height 0.60mm to 0.75mm), but these variations are within standard PCB design tolerances for 1206 components. Verify specific height clearance requirements if space constraints exist.

Q: Which substitute part has the highest inventory availability?

A: RC1206FR-0712K4L (YAGEO) has the highest inventory with 69,353 pieces in stock, followed by CR1206-FX-1242ELF (Bourns) with 62,966 pieces. Both provide excellent supply security for production requirements.