RC6432J271CS 270 Ohm 1W 2512 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC6432J271CS is a 270 Ohms ±5% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). The part is moisture resistant and suitable for general industrial applications requiring 1W power dissipation at 270 Ohms resistance value. Equivalent and substitute parts are identified for applications requiring alternative sourcing, higher tolerance grades, increased power ratings, or automotive-qualified alternatives.

Substiute Parts

RC6432J271CS

Samsung Electro-MechanicsIn Stock: 861RC6432J271CS Datasheet

Current PartRFQ

RC2512JK-07270RL

YAGEOIn Stock: 15882RC2512JK-07270RL Datasheet

DirectRFQ

AC2512FK-07270RL

YAGEOIn Stock: 5245AC2512FK-07270RL Datasheet

UpgradeRFQ

RC2512FK-07270RL

YAGEOIn Stock: 8093RC2512FK-07270RL Datasheet

UpgradeRFQ

CRCW2512270RFKEGHP

Vishay DaleIn Stock: 4421CRCW2512270RFKEGHP Datasheet

SimilarRFQ

RMCF2512FT270R

Stackpole Electronics IncIn Stock: 14697RMCF2512FT270R Datasheet

SimilarRFQ

RPC2512JT270R

Stackpole Electronics IncIn Stock: 33199RPC2512JT270R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC6432J271CS are grouped based on electrical and mechanical compatibility within the 2512 package format. The primary substitution criteria are:

Direct Equivalents maintain identical electrical specifications: 270 Ohms resistance, ±5% tolerance, 1W power rating, thick film composition, and -55°C to 155°C operating temperature range. These parts are interchangeable without circuit redesign.

Upgrade Substitutes provide improved tolerance (±1% instead of ±5%) while maintaining 1W power rating and identical resistance value. These parts are electrically compatible and offer enhanced precision for applications requiring tighter tolerance control.

Similar Alternatives modify one or more electrical parameters: increased power rating (1.5W instead of 1W), improved tolerance (±1%), or automotive AEC-Q200 qualification. These parts require circuit validation to confirm suitability based on application requirements.

All substitute parts share the following mandatory parameters with the main part:

• Resistance: 270 Ohms
• Package: 2512 (6432 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature: -55°C ~ 155°C
• Moisture Sensitivity Level: 1 (Unlimited)
• RoHS3 Compliance
• 2 Terminations

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Selection: RC2512JK-07270RL (YAGEO) provides direct electrical and mechanical equivalence to RC6432J271CS with identical ±5% tolerance and 1W power rating. This part is suitable for direct replacement in existing designs without circuit modification.

Upgrade Path for Precision Applications: RC2512FK-07270RL (YAGEO) and RMCF2512FT270R (Stackpole Electronics Inc) both offer ±1% tolerance improvement over the original ±5% specification while maintaining 1W power rating. These parts are electrically compatible and provide enhanced accuracy for applications requiring tighter resistance tolerance control.

Automotive-Qualified Alternatives: AC2512FK-07270RL (YAGEO), RMCF2512FT270R (Stackpole Electronics Inc), and CRCW2512270RFKEGHP (Vishay Dale) carry AEC-Q200 automotive qualification. These parts are suitable for automotive applications requiring industry-standard reliability and qualification documentation.

Higher Power Rating Options: CRCW2512270RFKEGHP (Vishay Dale) and RPC2512JT270R (Stackpole Electronics Inc) provide 1.5W power rating compared to the original 1W specification. These parts are suitable for applications requiring increased thermal headroom or higher pulse withstanding capability. Circuit validation is required to confirm thermal and electrical compatibility.

All substitute parts maintain RoHS3 compliance, MSL 1 rating, and -55°C to 155°C operating temperature range consistent with the main part specification.

Frequently Asked Questions (FAQ)

Q: Can RC2512JK-07270RL be used as a direct replacement for RC6432J271CS?

A: Yes. RC2512JK-07270RL is a direct equivalent with identical electrical specifications: 270 Ohms, ±5% tolerance, 1W power rating, thick film composition, and 2512 package. No circuit modification is required.

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

A: Tolerance defines the acceptable resistance variation from the nominal 270 Ohm value. ±5% tolerance allows variation between 256.5 and 283.5 Ohms. ±1% tolerance restricts variation to 267.3 and 272.7 Ohms. Applications requiring precise resistance values benefit from ±1% tolerance parts.

Q: Are the 1.5W rated parts (CRCW2512270RFKEGHP and RPC2512JT270R) compatible with circuits designed for 1W resistors?

A: Higher power rating parts are electrically compatible with 1W circuits. The 1.5W rating indicates increased thermal capacity and pulse withstanding capability. Physical dimensions vary slightly; verify PCB layout compatibility before substitution.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts carrying this rating have undergone specific reliability testing and are approved for automotive applications. AEC-Q200 qualified parts are suitable for both automotive and general industrial applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity level, matching the original RC6432J271CS specification.

Q: What is the physical size difference between the main part and substitute parts?

A: All parts use the 2512 (6432 Metric) package with nominal dimensions of 6.30mm length × 3.20mm width. Minor dimensional variations exist: some parts measure 6.35mm × 3.10mm or 6.30mm × 3.15mm. These variations are within standard 2512 package tolerances and do not affect PCB footprint compatibility.

Q: Can I substitute a ±5% tolerance part with a ±1% tolerance part in an existing design?

A: Yes. ±1% tolerance parts are electrically superior and provide tighter resistance control. No circuit modification is required; the ±1% part will function identically to the ±5% part with improved accuracy.

Q: Which substitute part offers the best overall compatibility?

A: RC2512JK-07270RL (YAGEO) provides direct electrical and mechanical equivalence with highest inventory availability (15,787 pcs). For applications requiring automotive qualification, RMCF2512FT270R (Stackpole Electronics Inc) combines AEC-Q200 rating with ±1% tolerance and 1W power rating.