RC6432J7R5CS Equivalent & Substitute Parts

Part Overview

The RC6432J7R5CS is a 7.5 Ohms ±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 932 pieces in stock. Substitute parts are identified for applications requiring improved tolerance specifications or enhanced power ratings while maintaining the same resistance value and package footprint.

Substiute Parts

RC6432J7R5CS

Samsung Electro-MechanicsIn Stock: 996RC6432J7R5CS Datasheet

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ERJ-1TRQF7R5U

Panasonic Electronic ComponentsIn Stock: 23753ERJ-1TRQF7R5U Datasheet

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RHC2512FT7R50

Stackpole Electronics IncIn Stock: 56526RHC2512FT7R50 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432J7R5CS is determined by the following criteria:

Critical Parameters (Must Match):

• Resistance value: 7.5 Ohms
• Package / Case: 2512 (6432 Metric)
• Operating temperature range: -55°C ~ 155°C minimum
• Composition: Thick Film
• Number of terminations: 2

Allowable Variations:

• Tolerance: May be tighter (lower value) than ±5%
• Power rating: May be equal or higher than 1W
• Temperature coefficient: May be lower (better stability)
• Moisture sensitivity: MSL 1 maintained
• RoHS compliance: ROHS3 maintained

The two identified substitutes meet all critical parameters while offering improvements in tolerance and/or power rating specifications.

Parameter Comparison

Engineering Selection Recommendations

ERJ-1TRQF7R5U (Panasonic) is suitable for applications requiring tighter tolerance control (±1% vs ±5%) and improved temperature stability (±100ppm/°C vs ±300ppm/°C) while maintaining the same 1W power rating. This substitute carries AEC-Q200 automotive qualification and current sense application features. Identical package dimensions and MSL 1 rating ensure direct board-level compatibility. All regulatory certifications (ROHS3, REACH) are maintained.

RHC2512FT7R50 (Stackpole Electronics) is suitable for applications requiring increased power dissipation capability (2W vs 1W) with improved tolerance (±1%) and temperature coefficient (±100ppm/°C). Dimensional variation is minimal (length 6.30mm vs 6.40mm), and height increase (0.70mm vs 0.65mm) remains within typical PCB assembly tolerances. All regulatory certifications are maintained.

Both substitutes are active products with confirmed inventory availability and maintain full compliance with RoHS3 and REACH requirements.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TRQF7R5U replace RC6432J7R5CS in any application?

A: ERJ-1TRQF7R5U is compatible for direct substitution in applications where the RC6432J7R5CS is specified. The tighter tolerance (±1% vs ±5%) and lower temperature coefficient (±100ppm/°C vs ±300ppm/°C) represent improvements. The 1W power rating is identical. Verify PCB layout accommodates the maximum height of 0.028" (0.70mm) versus the original 0.026" (0.65mm).

Q: When should RHC2512FT7R50 be selected over ERJ-1TRQF7R5U?

A: Select RHC2512FT7R50 when the circuit requires 2W power dissipation capability. Both substitutes offer ±1% tolerance and ±100ppm/°C temperature coefficient. The 2W rating provides additional thermal margin in high-current applications. Length dimension is 6.30mm versus 6.40mm; verify PCB layout compatibility.

Q: Are all three parts electrically interchangeable?

A: Yes, all three parts share identical 7.5 Ohm resistance, 2512 package footprint, -55°C to 155°C operating range, and thick film composition. Electrical interchangeability is confirmed. Physical dimensions vary slightly; verify PCB assembly constraints for height and length.

Q: What is the significance of the ±1% tolerance in the substitute parts?

A: The ±1% tolerance in ERJ-1TRQF7R5U and RHC2512FT7R50 provides tighter resistance accuracy compared to the ±5% tolerance of RC6432J7R5CS. This is beneficial for precision current-sensing circuits and applications with strict voltage divider requirements.

Q: Do the substitute parts maintain the same moisture resistance properties?

A: Yes, all three parts carry MSL 1 (Unlimited) rating, indicating equivalent moisture resistance. Both substitutes are thick film composition with moisture-resistant features maintained.

Q: Are there packaging differences between these parts?

A: RC6432J7R5CS is supplied in standard packaging. ERJ-1TRQF7R5U and RHC2512FT7R50 are supplied in Tape & Reel (TR) format. Verify your procurement and assembly process accommodates tape and reel packaging if substituting.