RC6432F473CS 47kΩ 1% 1W 2512 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC6432F473CS is a 47 kOhms ±1% 1W thick film chip resistor in 2512 (6432 metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture-resistant construction suitable for general industrial and commercial applications. Substitute parts are identified when original inventory is unavailable, when alternative manufacturers offer equivalent electrical and mechanical specifications, or when upgraded versions with enhanced certifications are required for specific application requirements.

Key Parameters

Parameter	Value
Resistance	47 kOhms
Tolerance	±1%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Resistance	Yes
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RC6432F473CS are classified into three categories based on electrical and mechanical compatibility:

Direct Equivalent (Identical Specifications): RC2512FK-0747KL from YAGEO maintains all critical electrical parameters: 47 kOhms resistance, ±1% tolerance, 1W power rating, 2512 package, thick film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Mechanical dimensions vary minimally (6.35mm x 3.10mm vs. 6.30mm x 3.20mm), remaining within 2512 package specifications.

Upgraded Versions (Enhanced Certifications): AC2512FK-0747KL (YAGEO) and CRCW251247K0FKEG (Vishay Dale) provide identical electrical specifications with additional Automotive AEC-Q200 certification. These parts are suitable for applications requiring automotive-grade reliability without changing circuit performance.

Higher Power Rating (Uprated Substitutes): RHC2512FT47K0 (Stackpole Electronics) and CRM2512-FX-4702ELF (Bourns) offer 2W power rating in the same 2512 package with identical resistance, tolerance, and temperature coefficient. These provide thermal margin for applications with higher power dissipation while maintaining backward compatibility.

Legacy/Specialized Variants: ERJ-1TNF4702U (Panasonic) provides equivalent electrical specifications with AEC-Q200 certification but carries "Not For New Designs" status, indicating obsolescence trajectory. CRM2512-FX-4702ELF includes current sense functionality, suitable for specialized measurement applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Moisture Resistant	AEC-Q200	Product Status
RC6432F473CS	Samsung Electro-Mechanics	47 kΩ	±1%	1	2512	±100ppm/°C	-55 to 155°C	Yes	No	Active
RC2512FK-0747KL	YAGEO	47 kΩ	±1%	1	2512	±100ppm/°C	-55 to 155°C	Yes	No	Active
AC2512FK-0747KL	YAGEO	47 kΩ	±1%	1	2512	±100ppm/°C	-55 to 155°C	Yes	Yes	Active
RHC2512FT47K0	Stackpole Electronics Inc	47 kΩ	±1%	2	2512	±100ppm/°C	-55 to 155°C	Yes	No	Active
CRCW251247K0FKEG	Vishay Dale	47 kΩ	±1%	1	2512	±100ppm/°C	-55 to 155°C	No	Yes	Active
CRM2512-FX-4702ELF	Bourns Inc.	47 kΩ	±1%	2	2512	±100ppm/°C	-55 to 155°C	No	No	Active
ERJ-1TNF4702U	Panasonic Electronic Components	47 kΩ	±1%	1	2512	±100ppm/°C	-55 to 155°C	No	Yes	Not For New Designs

Engineering Selection Recommendations

For Direct Replacement: RC2512FK-0747KL from YAGEO provides the closest functional equivalent with Active product status and identical electrical specifications. This part is suitable for applications where the original Samsung component is unavailable.

For Automotive Applications: AC2512FK-0747KL (YAGEO) or CRCW251247K0FKEG (Vishay Dale) are specified when AEC-Q200 automotive qualification is required. Both maintain 1W power rating and identical electrical parameters while providing automotive-grade reliability certification.

For Thermal Margin Applications: RHC2512FT47K0 (Stackpole Electronics) or CRM2512-FX-4702ELF (Bourns) offer 2W power rating in the same 2512 package footprint. These are suitable when circuit design requires higher thermal headroom or when power dissipation analysis indicates margin above 1W nominal rating.

For Current Sensing Circuits: CRM2512-FX-4702ELF includes current sense functionality and 2W rating, appropriate for applications requiring precision current measurement with thermal stability.

Parts to Avoid for New Designs: ERJ-1TNF4702U carries "Not For New Designs" status and should not be selected for new product development despite equivalent electrical specifications.

Frequently Asked Questions (FAQ)

Q: Can RC2512FK-0747KL directly replace RC6432F473CS without circuit modification?

A: Yes. RC2512FK-0747KL maintains identical electrical specifications (47 kΩ, ±1%, 1W, ±100ppm/°C, -55 to 155°C) and 2512 package footprint. Mechanical dimensions vary within tolerance (6.35mm x 3.10mm vs. 6.30mm x 3.20mm), requiring no PCB layout changes.

Q: What is the difference between 1W and 2W rated substitutes?

A: Power rating indicates maximum continuous power dissipation capability. 2W-rated parts (RHC2512FT47K0, CRM2512-FX-4702ELF) provide double the thermal capacity while maintaining identical resistance and tolerance. Selection depends on actual circuit power dissipation requirements. If circuit dissipates less than 1W, both ratings are functionally equivalent.

Q: Are AEC-Q200 certified parts (AC2512FK-0747KL, CRCW251247K0FKEG, ERJ-1TNF4702U) required for non-automotive applications?

A: No. AEC-Q200 certification is an additional qualification for automotive reliability. Non-automotive applications can use non-certified equivalents. However, AEC-Q200 parts are acceptable substitutes in any application without performance penalty.

Q: Why is ERJ-1TNF4702U marked "Not For New Designs"?

A: This status indicates the manufacturer is discontinuing the product line. While currently in stock and functionally equivalent, this part should not be selected for new product development to avoid future obsolescence issues.

Q: Can I use CRM2512-FX-4702ELF in a standard resistor application without current sensing?

A: Yes. CRM2512-FX-4702ELF functions as a standard 47 kΩ resistor in any circuit. The current sense feature is an additional capability that is not required for basic resistive applications. The 2W power rating provides thermal margin.

Q: What are the moisture sensitivity implications of MSL 1 rating?

A: MSL 1 (Unlimited) indicates no moisture sensitivity restrictions. All listed substitute parts carry MSL 1 rating, meaning they can be stored indefinitely without desiccant packaging and do not require baking before soldering.

Q: Are there dimensional constraints when substituting between manufacturers?

A: All parts maintain 2512 (6432 metric) package specification. Dimensional variations are minor (length 6.30-6.40mm, width 3.10-3.20mm, height 0.65-0.80mm) and remain within standard 2512 footprint tolerances. PCB pads designed for 2512 package accommodate all listed substitutes.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message