RC6432F200CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F200CS is a 20 Ohms ±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 full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The RC6432F200CS serves as a standard general-purpose resistor suitable for industrial and commercial applications requiring moisture-resistant thick film construction.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating, temperature coefficient, operating temperature range) and mechanical compatibility (package type, physical dimensions, termination count). Substitutes are grouped by functional equivalence and enhanced feature sets where applicable.

Key Parameters

Parameter	Value
Resistance	20 Ohms
Tolerance	±1%
Power Rating	1W
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Package / Case	2512 (6432 Metric)
Physical Dimensions	0.248" L x 0.126" W (6.30mm x 3.20mm)
Height - Seated (Max)	0.026" (0.66mm)
Number of Terminations	2
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts are classified into three functional categories based on electrical and mechanical parameter alignment with the RC6432F200CS:

Direct Equivalents (Identical Electrical & Mechanical Specifications) Direct equivalents match all critical parameters: 20 Ohms resistance, ±1% tolerance, 1W power rating, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, 2512 package, and 2 terminations. These parts are interchangeable without circuit redesign.

Upgrade Equivalents (Enhanced Features, Identical Base Specifications) Upgrade equivalents maintain all electrical specifications and package compatibility but include additional certifications or performance features such as AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability.

Similar Equivalents (Matching Electrical Specifications with Minor Dimensional Variance) Similar equivalents match all electrical specifications and package designation but exhibit minor variations in physical dimensions (length, width, height within manufacturing tolerance) or enhanced power ratings (1.5W vs 1W). These parts are functionally compatible within the 2512 package family.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff	Operating Temp	Package	Dimensions (mm)	Height Max (mm)	Features	RoHS Status	Product Status
RC6432F200CS	Samsung Electro-Mechanics	20 Ω	±1%	1	±100ppm/°C	-55 to 155°C	2512	6.30 x 3.20	0.66	Moisture Resistant	ROHS3	Active
RC2512FK-0720RL	YAGEO	20 Ω	±1%	1	±100ppm/°C	-55 to 155°C	2512	6.35 x 3.10	0.65	Moisture Resistant	ROHS3	Active
AC2512FK-0720RL	YAGEO	20 Ω	±1%	1	±100ppm/°C	-55 to 155°C	2512	6.35 x 3.10	0.65	Automotive AEC-Q200, Moisture Resistant	ROHS3	Active
CRCW251220R0FKEG	Vishay Dale	20 Ω	±1%	1	±100ppm/°C	-55 to 155°C	2512	6.30 x 3.15	0.70	Automotive AEC-Q200	ROHS3	Active
CRCW251220R0FKEGHP	Vishay Dale	20 Ω	±1%	1.5	±100ppm/°C	-55 to 155°C	2512	6.30 x 3.15	0.70	Automotive AEC-Q200, Pulse Withstanding	ROHS3	Active
CRCW251220R0FKTG	Vishay Dale	20 Ω	±1%	1	±100ppm/°C	-55 to 155°C	2512	6.30 x 3.15	0.70	Automotive AEC-Q200	Non-compliant	Active
ERJ-1TNF20R0U	Panasonic Electronic Components	20 Ω	±1%	1	±100ppm/°C	-55 to 155°C	2512	6.40 x 3.20	0.70	Automotive AEC-Q200	ROHS3	Not For New Designs
RMCF2512FT20R0	Stackpole Electronics Inc	20 Ω	±1%	1	±100ppm/°C	-55 to 155°C	2512	6.30 x 3.20	0.70	Automotive AEC-Q200	ROHS3	Active

Engineering Selection Recommendations

For Direct Replacement (No Design Changes Required)

RC2512FK-0720RL (YAGEO) is the primary direct equivalent. This part maintains identical electrical specifications and 2512 package compatibility with minimal dimensional variance (0.65mm seated height vs. 0.66mm). Product status is Active with full RoHS3 compliance. Inventory availability is 13,434 units.

For Automotive and Enhanced Reliability Applications

AC2512FK-0720RL (YAGEO) is recommended when AEC-Q200 automotive qualification is required. This upgrade equivalent maintains all base electrical specifications while adding automotive-grade certification. Product status is Active with RoHS3 compliance. Inventory availability is 14,940 units.

RMCF2512FT20R0 (Stackpole Electronics Inc) provides an alternative automotive-qualified option with identical electrical specifications and matching physical dimensions (6.30mm x 3.20mm). Product status is Active with RoHS3 compliance. Inventory availability is 26,516 units.

CRCW251220R0FKEG (Vishay Dale) is an automotive AEC-Q200 qualified alternative with Active product status and RoHS3 compliance. Inventory availability is 1,914 units.

For Enhanced Power Handling

CRCW251220R0FKEGHP (Vishay Dale) provides 1.5W power rating with identical 20 Ohm resistance and ±1% tolerance. This upgrade is suitable for applications requiring higher pulse withstanding capability. Product status is Active with RoHS3 compliance. Inventory availability is 10,200 units.

Parts Not Recommended for New Designs

CRCW251220R0FKTG (Vishay Dale) exhibits RoHS non-compliance and REACH Affected status, making it unsuitable for new product development.

ERJ-1TNF20R0U (Panasonic Electronic Components) carries "Not For New Designs" product status and should not be selected for new applications despite RoHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can RC2512FK-0720RL be used as a direct replacement for RC6432F200CS?

A: Yes. RC2512FK-0720RL matches all critical electrical parameters (20 Ohms, ±1%, 1W, ±100ppm/°C, -55°C to 155°C) and is packaged in the 2512 (6432 Metric) form factor. Physical dimensions vary minimally (0.65mm vs. 0.66mm seated height), which is within standard manufacturing tolerance for this package family. Both parts are RoHS3 compliant with Active product status.

Q: What is the difference between AC2512FK-0720RL and RC2512FK-0720RL?

A: Both parts are manufactured by YAGEO with identical electrical specifications and 2512 package compatibility. AC2512FK-0720RL includes AEC-Q200 automotive qualification and moisture resistance features, making it suitable for automotive applications. RC2512FK-0720RL is a general-purpose equivalent without automotive certification. Selection depends on application requirements.

Q: Is CRCW251220R0FKEGHP compatible with circuits designed for 1W resistors?

A: CRCW251220R0FKEGHP is rated for 1.5W power dissipation, which exceeds the 1W specification of RC6432F200CS. This higher power rating is backward compatible with 1W circuit designs. The resistor will operate safely at or below 1W dissipation. The 20 Ohm resistance and ±1% tolerance remain identical. Use this part when enhanced pulse withstanding or thermal margin is required.

Q: Why is ERJ-1TNF20R0U marked "Not For New Designs"?

A: ERJ-1TNF20R0U carries a "Not For New Designs" product status designation from Panasonic Electronic Components, indicating the manufacturer is discontinuing this part number. While the part is electrically and mechanically compatible with RC6432F200CS, it should not be selected for new product development. Active alternatives such as RMCF2512FT20R0 or AC2512FK-0720RL are recommended.

Q: What are the key parameters that determine substitutability?

A: Substitutability is determined by: (1) Resistance value (20 Ohms), (2) Tolerance (±1%), (3) Power rating (1W minimum), (4) Temperature coefficient (±100ppm/°C), (5) Operating temperature range (-55°C to 155°C), (6) Package type (2512 / 6432 Metric), and (7) Number of terminations (2). All substitute parts listed match these parameters. Additional certifications (AEC-Q200) and compliance status (RoHS3) are secondary selection criteria based on application requirements.

Q: Are there dimensional constraints for PCB layout compatibility?

A: All substitute parts are packaged in the 2512 (6432 Metric) form factor with 2 terminations. Physical dimensions vary within manufacturing tolerance: length ranges from 6.30mm to 6.40mm, width from 3.10mm to 3.20mm, and seated height from 0.65mm to 0.70mm. These variations are standard for the 2512 package family and do not affect PCB footprint compatibility. Verify specific layout requirements with your PCB design guidelines if tight spacing is critical.

Q: Which substitute offers the best inventory availability?

A: RMCF2512FT20R0 (Stackpole Electronics Inc) has the highest inventory availability at 26,516 units. CRCW251220R0FKEGHP (Vishay Dale) has 10,200 units available. AC2512FK-0720RL (YAGEO) has 14,940 units. RC2512FK-0720RL (YAGEO) has 13,434 units. Inventory levels should be verified with your supplier for current availability.

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