RPC2512KT2R00 Equivalent & Substitute Parts

Part Overview

The RPC2512KT2R00 is a 2 Ohm ±10% 1.5W chip resistor in 2512 (6432 Metric) package manufactured by Stackpole Electronics Inc. This thick film resistor is designed for automotive applications with AEC-Q200 qualification and pulse withstanding capability. The part is currently active in production with 729 units in stock. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to supply constraints, design optimization, or application-specific performance needs.

Substiute Parts

RPC2512KT2R00

Stackpole Electronics IncIn Stock: 778RPC2512KT2R00 Datasheet

Current PartRFQ

CRM2512-JW-2R0ELF

Bourns Inc.In Stock: 27640CRM2512-JW-2R0ELF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RPC2512KT2R00 is determined by the following critical parameters:

• Resistance value: 2 Ohms (exact match required)
• Package type: 2512 (6432 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±200ppm/°C (exact match required)
• Operating Temperature Range: -55°C ~ 155°C (exact match or better required)
• RoHS Compliance: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: 1 (exact match required)

Tolerance and power rating may vary within acceptable ranges for the application. The CRM2512-JW-2R0ELF qualifies as a substitute because it maintains all critical electrical and mechanical parameters while offering improved tolerance (±5% vs ±10%) and higher power rating (2W vs 1.5W).

Parameter Comparison

Engineering Selection Recommendations

The CRM2512-JW-2R0ELF is qualified as a direct substitute for the RPC2512KT2R00 based on matching electrical specifications and package compatibility. Both parts maintain ROHS3 compliance and identical operating temperature ranges. The substitute offers tighter tolerance (±5%) and higher power dissipation capability (2W), which provides design margin in applications where the original 1.5W rating is marginal. Physical dimensions are within acceptable tolerance for 2512 package footprints, with height variation of 0.005" (0.15mm) remaining within standard PCB assembly specifications. Both parts carry MSL 1 rating, indicating no moisture sensitivity constraints during storage or handling.

Frequently Asked Questions (FAQ)

Q: Can the CRM2512-JW-2R0ELF replace the RPC2512KT2R00 in existing designs?

A: Yes. Both parts share identical resistance value, package footprint, temperature range, and RoHS compliance. The substitute's improved tolerance and higher power rating make it functionally compatible for direct substitution.

Q: What is the significance of the tolerance difference (±10% vs ±5%)?

A: The substitute part offers tighter tolerance, meaning resistance values will be closer to the nominal 2 Ohm specification. This improves circuit accuracy but does not prevent substitution in applications designed for ±10% tolerance.

Q: Are there dimensional concerns with the height difference?

A: The height difference of 0.005" (0.15mm) is within standard PCB assembly tolerances for 2512 package components. No design modifications are required for board layout or solder reflow profiles.

Q: Do both parts meet automotive qualification requirements?

A: The RPC2512KT2R00 carries AEC-Q200 automotive qualification. The CRM2512-JW-2R0ELF is specified as a current sense resistor without explicit AEC-Q200 marking in the provided data. Verification of automotive compliance requirements for the substitute is necessary if AEC-Q200 certification is mandatory for the application.

Q: What is the difference between "Automotive AEC-Q200, Pulse Withstanding" and "Current Sense" features?

A: The main part emphasizes pulse withstanding capability for transient protection applications. The substitute emphasizes current sense functionality, indicating optimization for precision current measurement circuits. Both are thick film 2512 resistors suitable for their respective application categories.