RC6432F8450CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F8450CS is a 845 Ohm ±1% 1W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings are maintained across alternative manufacturers. The primary substitute identified is the ERJ-1TNF8450U from Panasonic Electronic Components.

Key Parameters

Parameter	Value	Unit
Resistance	845	Ohms
Tolerance	±1%	-
Power Rating	1	W
Package / Case	2512 (6432 Metric)	-
Composition	Thick Film	-
Temperature Coefficient	±100	ppm/°C
Operating Temperature Range	-55 to 155	°C
Moisture Sensitivity Level	1 (Unlimited)	-
RoHS Status	ROHS3 Compliant	-
Number of Terminations	2	-

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F8450CS is determined by strict equivalence across the following parameters:

Electrical Specifications:

Resistance value: 845 Ohms
Tolerance: ±1%
Power rating: 1W
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C

Mechanical Specifications:

Package type: 2512 (6432 Metric)
Number of terminations: 2
Physical dimensions within tolerance

Environmental & Compliance:

Composition: Thick Film
Moisture Sensitivity Level: 1 (Unlimited)
RoHS3 compliance
REACH unaffected status

The ERJ-1TNF8450U from Panasonic meets all electrical and mechanical equivalence criteria. Dimensional variations (length 6.40mm vs 6.30mm, height 0.70mm vs 0.66mm) remain within acceptable tolerances for 2512 package specifications. The substitute carries AEC-Q200 automotive qualification, which represents an additional quality assurance level beyond the base requirements.

Parameter Comparison

Parameter	RC6432F8450CS (Samsung)	ERJ-1TNF8450U (Panasonic)	Match Status
Resistance	845 Ohms	845 Ohms	Equivalent
Tolerance	±1%	±1%	Equivalent
Power Rating	1W	1W	Equivalent
Package / Case	2512 (6432 Metric)	2512 (6432 Metric)	Equivalent
Composition	Thick Film	Thick Film	Equivalent
Temperature Coefficient	±100ppm/°C	±100ppm/°C	Equivalent
Operating Temperature	-55°C to 155°C	-55°C to 155°C	Equivalent
Length	6.30mm	6.40mm	Within Tolerance
Width	3.20mm	3.20mm	Equivalent
Height (Seated Max)	0.66mm	0.70mm	Within Tolerance
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
Product Status	Active	Not For New Designs	Different
Additional Ratings	Moisture Resistant	AEC-Q200 Automotive	Complementary

Engineering Selection Recommendations

RC6432F8450CS (Samsung Electro-Mechanics): Select this part for applications requiring active product status with ongoing manufacturer support and standard moisture-resistant thick film construction. The component is suitable for general industrial and commercial applications within the specified operating temperature range.

ERJ-1TNF8450U (Panasonic Electronic Components): This substitute carries AEC-Q200 automotive qualification, indicating compliance with automotive reliability standards. However, the product status is classified as "Not For New Designs," which restricts its use to legacy system maintenance, repair, or applications where automotive-grade qualification is required and design freeze conditions permit its use. The dimensional variations (0.10mm length increase, 0.04mm height increase) are within standard 2512 package tolerances and do not affect PCB layout compatibility.

Selection between these parts depends on application requirements: choose the Samsung part for new designs requiring active manufacturer support, or the Panasonic part for automotive applications or legacy system compatibility where AEC-Q200 qualification is specified.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF8450U be used as a direct replacement for RC6432F8450CS in new product designs?

A: The ERJ-1TNF8450U meets all electrical and mechanical equivalence criteria. However, its "Not For New Designs" status indicates the manufacturer does not recommend it for new applications. For new designs, the RC6432F8450CS (Active status) is the appropriate selection.

Q: Are the dimensional differences between these parts significant?

A: The length difference (0.10mm) and height difference (0.04mm) fall within standard 2512 package tolerances. Both parts are mechanically compatible with PCB layouts designed for the 2512 (6432 Metric) package. No layout modifications are required.

Q: What does AEC-Q200 qualification mean for the Panasonic part?

A: AEC-Q200 is an automotive industry standard for passive components. It certifies the part meets automotive reliability, quality, and environmental stress testing requirements. This qualification is relevant only for automotive applications or systems requiring automotive-grade components.

Q: Are both parts RoHS3 compliant?

A: Yes. Both RC6432F8450CS and ERJ-1TNF8450U are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the significance of Moisture Sensitivity Level 1?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. Both parts can be stored and handled without special moisture control measures, simplifying supply chain and manufacturing processes.

Q: Can these parts be used interchangeably in existing assemblies?

A: Electrical and mechanical interchangeability is confirmed. However, component sourcing decisions should account for the product status difference and any specific qualification requirements of the application.

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