RC6432J152CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432J152CS is a 1.5 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 926 units in stock. Equivalent and substitute parts are identified based on matching or enhanced electrical and mechanical specifications within the 2512 package form factor, enabling direct replacement or performance upgrade scenarios in circuit applications.

Key Parameters

Parameter	Value	Specification Basis
Resistance	1.5 kOhms	Core electrical requirement
Tolerance	±5%	Accuracy specification
Power Rating	1W	Thermal dissipation capability
Package / Case	2512 (6432 Metric)	Physical form factor
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±100ppm/°C	Stability over temperature range
Operating Temperature	-55°C ~ 155°C	Environmental operating limits
Moisture Sensitivity Level	1 (Unlimited)	Handling and storage requirements
RoHS Status	ROHS3 Compliant	Environmental compliance

Substitute Part Grouping Explanation

Substitute parts for the RC6432J152CS are classified into three categories based on substitution compatibility:

Direct Equivalents (Same Specifications) Direct equivalents maintain identical electrical parameters: 1.5 kOhms resistance, ±5% tolerance, 1W power rating, and 2512 package. These parts are interchangeable without circuit redesign. Mechanical dimensions may vary within acceptable tolerances (height 0.65mm to 0.70mm, length 6.30mm to 6.35mm, width 3.10mm to 3.20mm).

Upgrade Substitutes (Enhanced Tolerance) Upgrade substitutes improve tolerance from ±5% to ±1% while maintaining 1.5 kOhms resistance, 1W power rating, and 2512 package. These parts provide superior accuracy for precision applications. Some upgrade options include automotive AEC-Q200 qualification, suitable for automotive-grade circuit requirements.

Performance Upgrades (Increased Power Rating) Performance upgrades increase power dissipation capability from 1W to 1.5W or 2W while maintaining 1.5 kOhms resistance and 2512 package. These parts accommodate higher thermal stress conditions. Tolerance may be ±1% (improved) or ±5% (equivalent).

Key Substitution Parameters:

Resistance value: 1.5 kOhms (fixed)
Package: 2512 (6432 Metric) (fixed)
Temperature coefficient: ±100ppm/°C (fixed)
Operating temperature: -55°C ~ 155°C (fixed)
Composition: Thick Film (fixed)
Moisture Sensitivity: MSL 1 (fixed)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS Status	Product Status
RC6432J152CS	Samsung Electro-Mechanics	1.5 kΩ	±5%	1	2512	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	Active
RC2512JK-071K5L	YAGEO	1.5 kΩ	±5%	1	2512	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	Active
AC2512FK-071K5L	YAGEO	1.5 kΩ	±1%	1	2512	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	Active
AC2512JK-071K5L	YAGEO	1.5 kΩ	±5%	1	2512	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	Active
RC2512FK-071K5L	YAGEO	1.5 kΩ	±1%	1	2512	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	Active
RHC2512FT1K50	Stackpole Electronics Inc	1.5 kΩ	±1%	2	2512	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	Active
CRCW25121K50FKEG	Vishay Dale	1.5 kΩ	±1%	1	2512	±100ppm/°C	-55~155°C	Automotive AEC-Q200	ROHS3	Active
CRCW25121K50FKEGHP	Vishay Dale	1.5 kΩ	±1%	1.5	2512	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Pulse Withstanding	ROHS3	Active
CRCW25121K50FKTG	Vishay Dale	1.5 kΩ	±1%	1	2512	±100ppm/°C	-55~155°C	Automotive AEC-Q200	RoHS non-compliant	Active
CRM2512-FX-1501ELF	Bourns Inc.	1.5 kΩ	±1%	2	2512	±100ppm/°C	-55~155°C	Current Sense	ROHS3	Active
ERJ-1TNF1501U	Panasonic Electronic Components	1.5 kΩ	±1%	1	2512	±100ppm/°C	-55~155°C	Automotive AEC-Q200	ROHS3	Not For New Designs

Engineering Selection Recommendations

For Direct Replacement (Equivalent Performance)

RC2512JK-071K5L (YAGEO) is the primary direct equivalent, matching all electrical specifications (1.5 kOhms, ±5%, 1W) and package requirements. Both parts are ROHS3 compliant and active in production. This substitution requires no circuit redesign.

For Tolerance Upgrade (±5% to ±1%)

RC2512FK-071K5L (YAGEO) upgrades tolerance to ±1% while maintaining 1W power rating and 2512 package. This part is ROHS3 compliant and active. Selection is appropriate for applications requiring improved accuracy without increased thermal dissipation.

AC2512FK-071K5L (YAGEO) provides ±1% tolerance with automotive AEC-Q200 qualification. This part is suitable for automotive applications requiring enhanced reliability standards.

For Automotive Applications

AC2512FK-071K5L and AC2512JK-071K5L (YAGEO) both carry AEC-Q200 automotive qualification. AC2512FK-071K5L offers ±1% tolerance; AC2512JK-071K5L maintains ±5% tolerance. Both are ROHS3 compliant and active.

CRCW25121K50FKEG (Vishay Dale) provides ±1% tolerance with AEC-Q200 qualification and ROHS3 compliance.

For Increased Power Dissipation

RHC2512FT1K50 (Stackpole Electronics Inc) increases power rating to 2W with ±1% tolerance. This part is ROHS3 compliant and active, suitable for applications with higher thermal stress.

CRM2512-FX-1501ELF (Bourns Inc.) provides 2W power rating with ±1% tolerance and current sense capability. ROHS3 compliant and active.

CRCW25121K50FKEGHP (Vishay Dale) offers 1.5W power rating with ±1% tolerance, AEC-Q200 qualification, and pulse withstanding capability. ROHS3 compliant and active.

Parts to Avoid for New Designs

ERJ-1TNF1501U (Panasonic Electronic Components) is marked "Not For New Designs" despite meeting electrical specifications. This part should not be selected for new circuit development.

CRCW25121K50FKTG (Vishay Dale) is RoHS non-compliant and REACH affected. This part does not meet current environmental compliance requirements.

Frequently Asked Questions (FAQ)

Q: Can RC2512JK-071K5L directly replace RC6432J152CS?

A: Yes. RC2512JK-071K5L is a direct equivalent with identical electrical specifications (1.5 kOhms, ±5%, 1W) and 2512 package. Both parts are ROHS3 compliant, moisture resistant, and operate across -55°C to 155°C. No circuit modification is required.

Q: What is the difference between ±5% and ±1% tolerance parts?

A: Tolerance defines the maximum deviation from the nominal resistance value. ±5% tolerance allows ±75 ohms deviation from 1.5 kOhms (1.425 to 1.575 kOhms). ±1% tolerance allows ±15 ohms deviation (1.485 to 1.515 kOhms). ±1% parts provide superior accuracy for precision applications but may have higher cost.

Q: Are 1W and 2W rated parts interchangeable?

A: Mechanically yes, electrically yes, but thermally different. A 2W part dissipates twice the power of a 1W part at the same temperature rise. Substituting a 2W part for a 1W part is acceptable and provides thermal margin. Substituting a 1W part for a 2W part is not acceptable if the circuit requires 2W dissipation capability.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard for passive component reliability. Parts with this qualification undergo enhanced testing for automotive applications. AEC-Q200 parts are suitable for automotive circuits; non-qualified parts may not meet automotive reliability requirements.

Q: Can I use CRCW25121K50FKTG as a substitute?

A: CRCW25121K50FKTG meets electrical specifications but is RoHS non-compliant and REACH affected. This part does not satisfy current environmental compliance requirements and should not be selected for new applications.

Q: What is MSL 1 (Unlimited) moisture sensitivity?

A: MSL 1 indicates the lowest moisture sensitivity level. Parts with MSL 1 have unlimited shelf life and do not require special moisture-controlled storage or baking before soldering. Both the main part and all listed substitutes have MSL 1 rating.

Q: Are there dimensional differences between substitute parts?

A: Yes, minor variations exist within the 2512 package specification. Length ranges from 6.30mm to 6.35mm, width from 3.10mm to 3.20mm, and height from 0.65mm to 0.80mm depending on manufacturer. These variations are within standard PCB design tolerances and do not affect circuit functionality.

Q: Which substitute offers the best overall performance upgrade?

A: Selection depends on application requirements. For tolerance improvement: RC2512FK-071K5L (±1%, 1W, ROHS3). For automotive applications: AC2512FK-071K5L (±1%, 1W, AEC-Q200, ROHS3). For increased power dissipation: RHC2512FT1K50 (±1%, 2W, ROHS3).

Q: Is ERJ-1TNF1501U suitable for new designs?

A: No. ERJ-1TNF1501U is marked "Not For New Designs" by Panasonic. This designation indicates the part is in end-of-life status. Select alternative parts for new circuit development.

Q: What packaging options are available for substitutes?

A: Substitutes are supplied in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats. Tape & Reel is standard for high-volume automated assembly. Cut Tape & Digi-Reel® is suitable for lower-volume or mixed-component orders. Packaging does not affect electrical performance.

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