RC6432F154CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F154CS is a 150 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 active in production with 1088 pieces in stock. Equivalent and substitute parts are identified based on matching electrical specifications, package dimensions, and environmental ratings to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Value
Resistance	150 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 RC6432F154CS are classified into three categories based on functional equivalence and enhancement levels:

Direct Equivalent (Same Specifications): RC2512FK-07150KL (YAGEO) maintains identical electrical and thermal characteristics with matching 1W power rating, ±1% tolerance, and -55°C to 155°C operating range. Physical dimensions vary slightly (6.35mm x 3.10mm vs. 6.30mm x 3.20mm) but remain within 2512 package specifications.

Upgrade Option (Enhanced Ratings): AC2512FK-07150KL (YAGEO) provides automotive AEC-Q200 qualification while maintaining all core electrical parameters. This upgrade is suitable for applications requiring automotive-grade reliability without changing circuit performance.

Similar Alternatives (Equivalent with Variations): CRCW2512150KFKEG and CRCW2512150KFKEGHP (Vishay Dale) offer AEC-Q200 automotive qualification. CRCW2512150KFKEGHP provides enhanced 1.5W power rating and pulse withstanding capability, suitable for higher stress applications.

ERJ-1TNF1503U (Panasonic) is marked "Not For New Designs" but remains functionally equivalent with AEC-Q200 rating and identical electrical specifications.

Substitution Criteria:

Resistance value: 150 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Package: 2512 (6432 Metric) (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature: -55°C ~ 155°C (exact match required)
Composition: Thick Film (exact match required)
Power Rating: 1W minimum (1.5W acceptable for higher margin applications)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Composition	AEC-Q200	Product Status
RC6432F154CS	Samsung Electro-Mechanics	150 kΩ	±1%	1	2512	±100ppm/°C	-55~155°C	Thick Film	No	Active
RC2512FK-07150KL	YAGEO	150 kΩ	±1%	1	2512	±100ppm/°C	-55~155°C	Thick Film	No	Active
AC2512FK-07150KL	YAGEO	150 kΩ	±1%	1	2512	±100ppm/°C	-55~155°C	Thick Film	Yes	Active
CRCW2512150KFKEG	Vishay Dale	150 kΩ	±1%	1	2512	±100ppm/°C	-55~155°C	Thick Film	Yes	Active
CRCW2512150KFKEGHP	Vishay Dale	150 kΩ	±1%	1.5	2512	±100ppm/°C	-55~155°C	Thick Film	Yes	Active
ERJ-1TNF1503U	Panasonic Electronic Components	150 kΩ	±1%	1	2512	±100ppm/°C	-55~155°C	Thick Film	Yes	Not For New Designs

Engineering Selection Recommendations

For Direct Replacement (Equivalent Performance): RC2512FK-07150KL (YAGEO) is the primary direct substitute, offering identical electrical and thermal specifications with active product status and equivalent inventory availability (1146 pcs).

For Automotive Applications: AC2512FK-07150KL (YAGEO) or CRCW2512150KFKEG (Vishay Dale) are recommended when AEC-Q200 automotive qualification is required. Both maintain the 1W power rating and all electrical parameters of the original part. AC2512FK-07150KL provides higher inventory (4775 pcs).

For High-Stress or Pulse Applications: CRCW2512150KFKEGHP (Vishay Dale) offers enhanced 1.5W power rating and pulse withstanding capability while maintaining AEC-Q200 qualification. This option provides additional design margin without changing circuit behavior.

Parts to Avoid for New Designs: ERJ-1TNF1503U (Panasonic) is marked "Not For New Designs" despite meeting all electrical specifications and AEC-Q200 qualification. Use only for legacy system maintenance or repair.

Compliance Considerations: All listed substitutes are ROHS3 compliant, REACH unaffected, and classified as EAR99 with matching HTSUS codes (8533.21.0030), ensuring regulatory equivalence.

Frequently Asked Questions (FAQ)

Q: Can RC2512FK-07150KL replace RC6432F154CS directly in production? A: Yes. RC2512FK-07150KL is a direct functional equivalent with identical resistance (150 kΩ), tolerance (±1%), power rating (1W), package (2512), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). Physical dimensions vary by less than 0.05mm, which is within standard PCB pad tolerances for 2512 packages.

Q: What is the difference between AC2512FK-07150KL and RC2512FK-07150KL? A: AC2512FK-07150KL includes AEC-Q200 automotive qualification and is designated as an upgrade option. Electrically and thermally, both parts are identical. AC2512FK-07150KL is preferred for automotive, industrial, or mission-critical applications requiring automotive-grade reliability.

Q: Can CRCW2512150KFKEGHP (1.5W) be used instead of the 1W original part? A: Yes. The 1.5W rating provides additional power dissipation margin and is a direct substitute. The higher power rating does not affect circuit operation; it only provides greater thermal headroom. This part is suitable for applications with higher power stress or thermal cycling concerns.

Q: Why is ERJ-1TNF1503U marked "Not For New Designs"? A: This designation indicates the manufacturer (Panasonic) has discontinued active development for this part number. While functionally equivalent and currently in stock (9025 pcs), it should be used only for legacy system repairs or maintenance. New designs should use active alternatives such as RC2512FK-07150KL or AC2512FK-07150KL.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitutes (RC2512FK-07150KL, AC2512FK-07150KL, CRCW2512150KFKEG, CRCW2512150KFKEGHP, and ERJ-1TNF1503U) are ROHS3 compliant and REACH unaffected, matching the compliance status of the original RC6432F154CS.

Q: What is the difference in physical dimensions between substitutes? A: Dimensions vary slightly within 2512 package tolerance:

RC6432F154CS: 6.30mm L x 3.20mm W, 0.66mm H
RC2512FK-07150KL: 6.35mm L x 3.10mm W, 0.65mm H
AC2512FK-07150KL: 6.35mm L x 3.10mm W, 0.65mm H
CRCW2512150KFKEG: 6.30mm L x 3.15mm W, 0.70mm H
CRCW2512150KFKEGHP: 6.30mm L x 3.15mm W, 0.70mm H
ERJ-1TNF1503U: 6.40mm L x 3.20mm W, 0.70mm H

All variations remain within standard 2512 package specifications and are compatible with standard PCB layouts.

Q: Which substitute offers the best inventory availability? A: AC2512FK-07150KL (YAGEO) has the highest inventory at 4775 pieces, followed by CRCW2512150KFKEGHP (Vishay Dale) at 4988 pieces. Both are suitable for high-volume production requirements.

Q: Can these parts be used interchangeably in the same PCB assembly? A: Yes, all listed substitutes use the same 2512 package footprint and are electrically equivalent. They can be used interchangeably in the same PCB design without layout modifications. Verify with your assembly partner that component tape reels and pick-and-place programming are updated accordingly.

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