Equivalent & Substitute Parts for RMC1/10K4302FTP

Part Overview

The RMC1/10K4302FTP is a 43 kOhms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Kamaya Inc. This component is classified as Active product status with unlimited moisture sensitivity level (MSL 1). The RMC series represents a standard offering in industrial and commercial applications requiring precision resistive elements. Substitute parts are identified based on identical electrical specifications, mechanical compatibility, and packaging standards to ensure direct functional equivalence in circuit design and assembly operations.

Key Parameters

Parameter	Value
Resistance	43 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	2
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)

Substitute Part Grouping Explanation

Substitute parts for the RMC1/10K4302FTP are qualified based on the following criteria:

Electrical Parameters (Mandatory Match):

Resistance value: 43 kOhms
Tolerance: ±1%
Power rating: 0.125W (1/8W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Mandatory Match):

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

Compliance Parameters:

Moisture Sensitivity Level: 1 (Unlimited)
ECCN: EAR99
HTSUS: 8533.21.0030

All identified substitute parts meet these criteria and are therefore electrically and mechanically interchangeable with the main part number in circuit applications.

Parameter Comparison

Parameter	RMC1/10K4302FTP (Kamaya Inc.)	CRG0805F43K (TE Connectivity)	ERJ-6ENF4302V (Panasonic)	RC0805FR-0743KL (YAGEO)	RMCF0805FT43K0 (Stackpole)
Resistance	43 kOhms	43 kOhms	43 kOhms	43 kOhms	43 kOhms
Tolerance	±1%	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W	0.125W
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Height - Seated (Max)	0.026" (0.65mm)	0.026" (0.65mm)	0.028" (0.70mm)	0.024" (0.60mm)	0.026" (0.65mm)
Product Status	Active	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	Vendor Undefined	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All substitute parts listed are functionally equivalent to the RMC1/10K4302FTP based on matching electrical and mechanical specifications. Selection among these alternatives should be based on the following factors:

Product Availability: Inventory levels vary across manufacturers. RC0805FR-0743KL (YAGEO) offers the highest stock availability at 344,528 pieces. ERJ-6ENF4302V (Panasonic) provides 64,108 pieces. RMCF0805FT43K0 (Stackpole) offers 15,730 pieces. CRG0805F43K (TE Connectivity) provides 1,101 pieces.

Compliance Certifications: ERJ-6ENF4302V and RMCF0805FT43K0 carry AEC-Q200 automotive qualification ratings. RC0805FR-0743KL features moisture-resistant construction. All substitute parts are ROHS3 compliant except the main part number, which has unspecified RoHS status.

Physical Dimensions: Height variation exists among substitutes. RC0805FR-0743KL has the lowest seated height at 0.024" (0.60mm), while ERJ-6ENF4302V reaches 0.028" (0.70mm). This variation remains within typical PCB assembly tolerances for 0805 packages.

REACH Compliance: CRG0805F43K lists REACH status as Vendor Undefined. All other parts, including the main part number, are REACH Unaffected.

Frequently Asked Questions (FAQ)

Q: Can these substitute parts be used interchangeably with the RMC1/10K4302FTP in existing designs?

A: Yes. All listed substitute parts match the critical electrical parameters (43 kOhms ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C) and mechanical specifications (0805 package, 2.00mm x 1.25mm dimensions, 2 terminations). Direct substitution is supported without circuit redesign.

Q: What is the significance of the height variation among substitute parts?

A: Height differences range from 0.024" to 0.028" (0.60mm to 0.70mm). These variations fall within standard PCB assembly clearance specifications for 0805 components and do not affect electrical performance or mechanical fit in standard applications.

Q: Are automotive-qualified parts required for this application?

A: Automotive qualification (AEC-Q200) is available through ERJ-6ENF4302V and RMCF0805FT43K0. Selection depends on application requirements. Non-automotive qualified parts are suitable for industrial and commercial applications.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All parts listed, including the main part number, carry this rating.

Q: How do RoHS and REACH compliance affect part selection?

A: All substitute parts are ROHS3 compliant. REACH compliance status varies: CRG0805F43K is Vendor Undefined, while others are REACH Unaffected. Verify compliance requirements with your procurement specifications before final selection.

Q: Is there a preferred substitute based on general availability and compliance?

A: RC0805FR-0743KL offers the highest inventory availability (344,528 pieces) with ROHS3 compliance and REACH Unaffected status. ERJ-6ENF4302V provides automotive qualification with substantial inventory (64,108 pieces) if AEC-Q200 certification is required.

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