RC6432F1473CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F1473CS is a 147 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant. The part is currently in active production status with 1050 units available in inventory. Equivalent and substitute parts are identified when they maintain identical electrical specifications and mechanical compatibility within the 2512 package form factor.

Key Parameters

Parameter	Value	Criticality for Substitution
Resistance Value	147 kOhms	Critical - Must Match Exactly
Tolerance	±1%	Critical - Must Match Exactly
Power Rating	1W	Critical - Must Match Exactly
Package / Case	2512 (6432 Metric)	Critical - Must Match Exactly
Composition	Thick Film	Critical - Must Match Exactly
Temperature Coefficient	±100ppm/°C	Critical - Must Match Exactly
Operating Temperature Range	-55°C ~ 155°C	Critical - Must Match Exactly
Number of Terminations	2	Critical - Must Match Exactly
RoHS Status	ROHS3 Compliant	Critical - Must Match Exactly
Moisture Sensitivity Level	1 (Unlimited)	Critical - Must Match Exactly

Substitute Part Grouping Explanation

Substitute parts for the RC6432F1473CS are identified based on strict electrical and mechanical parameter matching. The substitution logic requires:

Electrical Parameters (Must Match Exactly):

Resistance value: 147 kOhms
Tolerance: ±1%
Power rating: 1W
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C

Mechanical Parameters (Must Match Exactly):

Package type: 2512 (6432 Metric)
Composition: Thick Film
Number of terminations: 2
Physical dimensions compatible with 2512 footprint

Compliance Parameters (Must Match Exactly):

RoHS3 compliance
Moisture Sensitivity Level 1 (Unlimited)

The CRCW2512147KFKEG from Vishay Dale meets all these criteria and is therefore classified as a direct substitute. Dimensional variations within the 2512 package specification (length 6.30mm, width tolerance, height within specification) do not preclude substitution when all electrical and compliance parameters are identical.

Parameter Comparison

Parameter	RC6432F1473CS (Samsung)	CRCW2512147KFKEG (Vishay Dale)	Match Status
Resistance	147 kOhms	147 kOhms	Match
Tolerance	±1%	±1%	Match
Power Rating	1W	1W	Match
Package / Case	2512 (6432 Metric)	2512 (6432 Metric)	Match
Composition	Thick Film	Thick Film	Match
Temperature Coefficient	±100ppm/°C	±100ppm/°C	Match
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	Match
Number of Terminations	2	2	Match
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Match
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Match
Length	0.248" (6.30mm)	0.248" (6.30mm)	Match
Width	0.126" (3.20mm)	0.124" (3.15mm)	Within 2512 Specification
Height - Seated (Max)	0.026" (0.66mm)	0.028" (0.70mm)	Within 2512 Specification

Engineering Selection Recommendations

The CRCW2512147KFKEG is a direct electrical and mechanical substitute for the RC6432F1473CS. Both components are active production parts with ROHS3 compliance and identical electrical specifications. The Vishay Dale component includes AEC-Q200 automotive qualification, which provides additional quality assurance for applications requiring automotive-grade reliability. Selection between these parts should be based on:

Inventory availability - RC6432F1473CS: 1050 units; CRCW2512147KFKEG: 1085 units
Packaging format - RC6432F1473CS supplied in standard packaging; CRCW2512147KFKEG supplied in Tape & Reel (TR)
Application requirements - CRCW2512147KFKEG recommended for automotive or mission-critical applications requiring AEC-Q200 certification
Supply chain considerations - Both manufacturers maintain active production status

All dimensional variations fall within the 2512 package specification and do not impact PCB layout or thermal performance.

Frequently Asked Questions (FAQ)

Q: Can CRCW2512147KFKEG replace RC6432F1473CS in existing designs?

A: Yes. Both components share identical electrical specifications (147 kOhms, ±1%, 1W, ±100ppm/°C, -55°C to 155°C), identical package type (2512), and identical compliance status (ROHS3, MSL 1). Dimensional variations (width 3.20mm vs 3.15mm, height 0.66mm vs 0.70mm) are within 2512 package tolerances and do not affect PCB footprint compatibility.

Q: What is the significance of AEC-Q200 qualification on the Vishay part?

A: AEC-Q200 is an automotive industry standard qualification. The CRCW2512147KFKEG meets this standard, indicating enhanced quality assurance and reliability testing. This qualification is beneficial for automotive applications but is not required for general industrial or consumer applications where the Samsung part is equally suitable.

Q: Are there packaging differences between these parts?

A: Yes. The RC6432F1473CS is supplied in standard packaging, while the CRCW2512147KFKEG is supplied in Tape & Reel (TR) format. This affects handling and assembly processes but does not impact component performance or electrical characteristics.

Q: Do the dimensional differences affect thermal performance?

A: No. The dimensional variations (width tolerance of 0.05mm, height tolerance of 0.04mm) are within the 2512 package specification and do not materially affect thermal dissipation or electrical performance in typical circuit applications.

Q: Which part should be selected for new designs?

A: Selection depends on application requirements. For automotive or mission-critical applications, the CRCW2512147KFKEG (AEC-Q200 qualified) is preferred. For general industrial and consumer applications, either part is suitable. Verify packaging format compatibility with assembly equipment before final selection.

Q: Are both parts currently available?

A: Yes. RC6432F1473CS has 1050 units in stock; CRCW2512147KFKEG has 1085 units in stock. Both are active production parts with no planned discontinuation.

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