RC2012F1543CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F1543CS is a 154 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format with 0.125W power rating. This component is classified as Active product status with moisture-resistant construction and RoHS3 compliance. Substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional equivalence in circuit applications.

Substiute Parts

RC2012F1543CS

Samsung Electro-MechanicsIn Stock: 1184RC2012F1543CS Datasheet

Current PartRFQ

CR0805-FX-1543ELF

Bourns Inc.In Stock: 25495CR0805-FX-1543ELF Datasheet

DirectRFQ

ERJ-6ENF1543V

Panasonic Electronic ComponentsIn Stock: 129476ERJ-6ENF1543V Datasheet

DirectRFQ

KTR10EZPF1543

Rohm SemiconductorIn Stock: 7185KTR10EZPF1543 Datasheet

DirectRFQ

RC0805FR-07154KL

YAGEOIn Stock: 152055RC0805FR-07154KL Datasheet

DirectRFQ

RMCF0805FT154K

Stackpole Electronics IncIn Stock: 76184RMCF0805FT154K Datasheet

DirectRFQ

CRCW0805154KFKEA

Vishay DaleIn Stock: 22660CRCW0805154KFKEA Datasheet

SimilarRFQ

MCR10ERTF1543

Rohm SemiconductorIn Stock: 2664MCR10ERTF1543 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC2012F1543CS are qualified based on the following criteria:

Electrical Parameters (Must Match Exactly):

• Resistance value: 154 kOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match Exactly):

• Package type: 0805 (2012 Metric)
• Number of terminations: 2
• Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)

Environmental & Compliance Parameters (Must Match or Exceed):

• Composition: Thick Film
• RoHS3 Compliance
• MSL Rating: 1 (Unlimited)
• REACH Status: REACH Unaffected

All identified substitute parts meet these criteria. Variations in seated height (0.020" to 0.028") and specific feature designations (Moisture Resistant vs. Automotive AEC-Q200) do not affect functional substitution within the specified parameter envelope.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitutes (Active Product Status):

CR0805-FX-1543ELF (Bourns Inc.), ERJ-6ENF1543V (Panasonic Electronic Components), KTR10EZPF1543 (Rohm Semiconductor), RC0805FR-07154KL (YAGEO), and RMCF0805FT154K (Stackpole Electronics Inc) are all qualified direct substitutes with Active product status. These parts satisfy all electrical, mechanical, and compliance requirements specified for the RC2012F1543CS.

Feature-Based Selection:

For applications requiring automotive-grade qualification, ERJ-6ENF1543V, KTR10EZPF1543, RMCF0805FT154K, and CRCW0805154KFKEA carry AEC-Q200 certification. KTR10EZPF1543 additionally specifies high-voltage capability. For applications without automotive requirements, CR0805-FX-1543ELF and RC0805FR-07154KL provide moisture-resistant construction equivalent to the original part.

Inventory Availability:

RC0805FR-07154KL (YAGEO) offers the highest inventory availability at 152,029 pieces. ERJ-6ENF1543V (Panasonic) provides 129,367 pieces. RMCF0805FT154K (Stackpole) stocks 76,154 pieces. All other active substitutes maintain adequate inventory levels above 20,000 pieces.

Discontinued Product:

MCR10ERTF1543 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs, though existing stock of 2,615 pieces remains available.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RC2012F1543CS with any of the listed parts without circuit redesign?

A: Yes. All listed active substitute parts match the RC2012F1543CS in resistance value (154 kOhms), tolerance (±1%), power rating (0.125W), package format (0805), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Direct substitution is electrically and mechanically compatible.

Q: What is the difference between "Moisture Resistant" and "Automotive AEC-Q200" designations?

A: These designations indicate different qualification standards. Moisture Resistant parts (CR0805-FX-1543ELF, RC0805FR-07154KL) are qualified for moisture protection. Automotive AEC-Q200 parts (ERJ-6ENF1543V, KTR10EZPF1543, RMCF0805FT154K, CRCW0805154KFKEA) meet automotive industry reliability standards. Both meet RoHS3 compliance and MSL 1 requirements. Selection depends on application environment.

Q: Does the variation in seated height (0.020" to 0.028") affect PCB assembly compatibility?

A: No. All substitute parts maintain 0805 (2012 Metric) package format with identical footprint dimensions (0.079" L x 0.049" W). Seated height variations of ±0.008" are within standard PCB assembly tolerances and do not affect placement, soldering, or electrical performance.

Q: Why is MCR10ERTF1543 listed if it is discontinued?

A: MCR10ERTF1543 is included for reference purposes as it appears in the original part's substitute list. However, it is marked as discontinued at DiGi Electronics and should not be selected for new designs. Active alternatives provide equivalent functionality with ongoing manufacturer support.

Q: Which substitute part should I select for maximum inventory availability?

A: RC0805FR-07154KL (YAGEO) provides the highest inventory level at 152,029 pieces, followed by ERJ-6ENF1543V (Panasonic) at 129,367 pieces. Both are Active products with full compliance certifications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 Compliant status and REACH Unaffected designation, matching the environmental compliance profile of the RC2012F1543CS.