RC6432F9533CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F9533CS is a 953 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package format. This thick film, moisture-resistant component operates across the temperature range of -55°C to 155°C and is ROHS3 compliant. The part is currently in active production status with 791 pieces available in new original inventory.

Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the critical parameters that define functional interchangeability in circuit applications.

Key Parameters

Parameter	Value	Specification Type
Resistance Value	953 kOhms	Electrical
Tolerance	±1%	Electrical
Power Rating	1W	Electrical
Package / Case	2512 (6432 Metric)	Mechanical
Composition	Thick Film	Material
Temperature Coefficient	±100ppm/°C	Electrical
Operating Temperature Range	-55°C ~ 155°C	Environmental
Moisture Sensitivity Level	1 (Unlimited)	Environmental
RoHS Status	ROHS3 Compliant	Compliance

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F9533CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

Resistance value: 953 kOhms (exact match)
Tolerance: ±1% (exact match)
Power rating: 1W (exact match)
Temperature coefficient: ±100ppm/°C (exact match)
Operating temperature range: -55°C ~ 155°C (exact match or wider range acceptable)

Mechanical Compatibility Requirements:

Package format: 2512 (6432 Metric) (exact match)
Composition: Thick Film (exact match)
Number of terminations: 2 (exact match)

Compliance Requirements:

RoHS3 compliance (required)
Moisture Sensitivity Level 1 (required)

The identified substitute part ERJ-1TNF9533U meets all electrical, mechanical, and compliance criteria. Dimensional variations within manufacturing tolerances do not affect functional interchangeability in standard circuit applications.

Parameter Comparison

Parameter	RC6432F9533CS (Samsung)	ERJ-1TNF9533U (Panasonic)	Match Status
Resistance	953 kOhms	953 kOhms	Equivalent
Tolerance	±1%	±1%	Equivalent
Power Rating	1W	1W	Equivalent
Temperature Coefficient	±100ppm/°C	±100ppm/°C	Equivalent
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	Equivalent
Package / Case	2512 (6432 Metric)	2512 (6432 Metric)	Equivalent
Composition	Thick Film	Thick Film	Equivalent
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Length	0.248" (6.30mm)	0.252" (6.40mm)	Within tolerance
Width	0.126" (3.20mm)	0.126" (3.20mm)	Equivalent
Height - Seated (Max)	0.026" (0.66mm)	0.028" (0.70mm)	Within tolerance
Product Status	Active	Not For New Designs	Different

Engineering Selection Recommendations

RC6432F9533CS (Samsung Electro-Mechanics):

Current production status: Active
Recommended for new designs and long-term production applications
Moisture-resistant thick film construction
ROHS3 and REACH compliant
Unlimited moisture sensitivity rating

ERJ-1TNF9533U (Panasonic Electronic Components):

Current production status: Not For New Designs
Suitable for replacement and maintenance applications only
Automotive AEC-Q200 qualified
ROHS3 and REACH compliant
Unlimited moisture sensitivity rating
Higher inventory availability (4764 pieces vs. 791 pieces)

For new circuit designs, the RC6432F9533CS is the appropriate selection due to active production status. The ERJ-1TNF9533U serves as a functional equivalent for existing applications requiring component replacement, though its "Not For New Designs" status should be noted in design documentation.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF9533U be used as a direct replacement for RC6432F9533CS in existing circuits?

A: Yes. Both parts share identical electrical specifications (953 kOhms, ±1%, 1W, ±100ppm/°C) and operate across the same temperature range (-55°C to 155°C). Both are packaged in 2512 (6432 Metric) format with equivalent mechanical dimensions within manufacturing tolerances. Functional interchangeability is confirmed.

Q: What is the significance of the "Not For New Designs" status on the ERJ-1TNF9533U?

A: This designation indicates that Panasonic has discontinued active development and production planning for this part number. While the part remains functionally equivalent and available in inventory, it should not be selected for new circuit designs. Use RC6432F9533CS for new designs to ensure long-term supply chain stability.

Q: Are there dimensional differences that affect PCB layout?

A: Minor dimensional variations exist within manufacturing tolerances. The RC6432F9533CS measures 0.248" L × 0.126" W (6.30mm × 3.20mm), while the ERJ-1TNF9533U measures 0.252" L × 0.126" W (6.40mm × 3.20mm). These 0.004" (0.10mm) length differences are within standard PCB pad tolerances and do not require layout modification.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both RC6432F9533CS and ERJ-1TNF9533U are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. Both carry Moisture Sensitivity Level 1 (Unlimited) rating. Compliance documentation is equivalent for both parts.

Q: What is the difference between the moisture-resistant feature on RC6432F9533CS and the AEC-Q200 qualification on ERJ-1TNF9533U?

A: The RC6432F9533CS specifies moisture-resistant thick film construction as a material feature. The ERJ-1TNF9533U carries AEC-Q200 automotive qualification, which includes environmental stress testing protocols. Both parts achieve Moisture Sensitivity Level 1 rating. The AEC-Q200 qualification on the Panasonic part indicates additional automotive-grade reliability testing, though both parts are functionally equivalent for standard industrial applications.

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