RC6432J223CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432J223CS is a 22 kOhms ±5% 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 with MSL 1 rating. The part is currently active in production with 1144 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, supply chain continuity, or performance upgrades within the same package footprint and thermal specifications.

Key Parameters

Parameter	Value
Resistance	22 kOhms
Tolerance	±5%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC6432J223CS are classified based on electrical and mechanical compatibility within the 2512 package family. The primary substitution criteria are:

Direct Substitutes (Identical Electrical Specifications): Parts maintaining 22 kOhms resistance, ±5% tolerance, 1W power rating, and 2512 package dimensions qualify as direct substitutes. These parts preserve all functional characteristics of the original component.

Upgrade Substitutes (Enhanced Tolerance or Power Rating): Parts with improved tolerance (±1% instead of ±5%) or increased power rating (2W instead of 1W) while maintaining the 22 kOhms resistance and 2512 package are classified as upgrades. These provide superior performance margins within the same physical footprint.

Similar Parts (Different Product Status): Parts meeting all electrical and mechanical specifications but carrying different product status designations (such as "Not For New Designs") are listed for reference in legacy or existing design scenarios.

All substitute relationships are constrained by:

Identical resistance value (22 kOhms)
Compatible package dimensions (2512 / 6432 Metric)
Matching temperature coefficient (±100ppm/°C)
Operating temperature range (-55°C ~ 155°C)
Thick film composition
Moisture resistance features
ROHS3 compliance and MSL 1 rating

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Size (mm)	Height Max (mm)	Temp Coeff	Operating Temp	Product Status	Inventory
RC6432J223CS	Samsung Electro-Mechanics	22 kOhms	±5%	1	2512	6.30 x 3.20	0.66	±100ppm/°C	-55°C ~ 155°C	Active	1144 Pcs
RC2512JK-0722KL	YAGEO	22 kOhms	±5%	1	2512	6.35 x 3.10	0.65	±100ppm/°C	-55°C ~ 155°C	Active	42735 Pcs
RC2512FK-0722KL	YAGEO	22 kOhms	±1%	1	2512	6.35 x 3.10	0.65	±100ppm/°C	-55°C ~ 155°C	Active	6695 Pcs
AC2512FK-0722KL	YAGEO	22 kOhms	±1%	1	2512	6.35 x 3.10	0.65	±100ppm/°C	-55°C ~ 155°C	Active	8669 Pcs
RHC2512FT22K0	Stackpole Electronics Inc	22 kOhms	±1%	2	2512	6.30 x 3.20	0.70	±100ppm/°C	-55°C ~ 155°C	Active	896 Pcs
ERJ-1TNF2202U	Panasonic Electronic Components	22 kOhms	±1%	1	2512	6.40 x 3.20	0.70	±100ppm/°C	-55°C ~ 155°C	Not For New Designs	20642 Pcs

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): RC2512JK-0722KL (YAGEO) is the primary direct substitute, maintaining ±5% tolerance and 1W power rating. This part is active in production with high inventory availability (42735 units), ensuring supply continuity. Dimensional variations (6.35 x 3.10 mm vs. 6.30 x 3.20 mm) remain within standard PCB layout tolerances for 2512 packages.

For Tolerance Upgrade (±5% to ±1%): RC2512FK-0722KL and AC2512FK-0722KL both provide ±1% tolerance while maintaining 1W power rating and 2512 package compatibility. AC2512FK-0722KL includes AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade reliability. Both parts are active with adequate inventory.

For Power Rating Upgrade (1W to 2W): RHC2512FT22K0 (Stackpole Electronics Inc) provides 2W power rating with ±1% tolerance in the 2512 package. This upgrade accommodates higher dissipation requirements while preserving package footprint. Product status is active; inventory is limited (896 units).

For Legacy Designs: ERJ-1TNF2202U (Panasonic) carries "Not For New Designs" status but remains available with substantial inventory (20642 units). This part is suitable only for sustaining existing production or repair applications where design changes are not feasible.

Compliance Considerations: All listed substitutes maintain ROHS3 compliance, MSL 1 rating, and -55°C to 155°C operating range. Selection should prioritize active product status parts for new designs.

Frequently Asked Questions (FAQ)

Q: Can RC2512JK-0722KL replace RC6432J223CS directly without circuit redesign?

A: Yes. RC2512JK-0722KL is a direct substitute with identical 22 kOhms resistance, ±5% tolerance, and 1W power rating. Minor dimensional differences (6.35 x 3.10 mm vs. 6.30 x 3.20 mm) are within standard 2512 package tolerances and do not require PCB layout modification.

Q: What is the advantage of upgrading to ±1% tolerance parts?

A: ±1% tolerance parts (RC2512FK-0722KL, AC2512FK-0722KL) reduce resistor value variation from ±1100 ohms to ±220 ohms at 22 kOhms. This improves circuit accuracy in precision applications such as signal conditioning, reference networks, or feedback circuits where tighter tolerance is required.

Q: Is RHC2512FT22K0 suitable for applications requiring only 1W dissipation?

A: Yes. RHC2512FT22K0 provides 2W power rating, which exceeds 1W requirements. The higher rating provides thermal margin and extended component life in applications operating near maximum power limits. Physical footprint remains identical to 1W variants within the 2512 package.

Q: Why is ERJ-1TNF2202U marked "Not For New Designs"?

A: "Not For New Designs" status indicates the manufacturer has discontinued active development for this part. While inventory remains available, Panasonic recommends alternative parts for new product development. This designation does not affect functionality in existing designs requiring component replacement.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original RC6432J223CS specifications.

Q: What is the difference between RC2512FK-0722KL and AC2512FK-0722KL?

A: Both parts share identical electrical specifications (22 kOhms, ±1%, 1W). AC2512FK-0722KL includes AEC-Q200 automotive qualification, making it suitable for automotive applications. RC2512FK-0722KL is the standard industrial variant. Selection depends on application requirements.

Q: Can I use multiple 1W resistors in parallel to replace the 2W RHC2512FT22K0?

A: Parallel resistor configurations introduce additional complexity, PCB area, and potential current distribution imbalances. Direct substitution with RHC2512FT22K0 is the preferred engineering approach when 2W power rating is required.

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