CSR2512FKR150 Equivalent & Substitute Parts

Part Overview

The CSR2512FKR150 is a 150 mOhms ±1% 2W chip resistor in 2512 (6432 Metric) package manufactured by Stackpole Electronics Inc. This thick film current sense resistor is designed for precision current measurement applications requiring low resistance values with tight tolerance and high power dissipation capability. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package footprint and performance envelope.

Substiute Parts

CSR2512FKR150

Stackpole Electronics IncIn Stock: 1028CSR2512FKR150 Datasheet

Current PartRFQ

CSRN2512FKR150

Stackpole Electronics IncIn Stock: 243546CSRN2512FKR150 Datasheet

DirectRFQ

RLP73K3AR15FTDF

TE Connectivity Passive ProductIn Stock: 30961RLP73K3AR15FTDF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CSR2512FKR150 are qualified based on the following electrical and mechanical parameters:

• Resistance value: 150 mOhms
• Tolerance: ±1%
• Power rating: 2W
• Package: 2512 (6432 Metric)
• Composition: Thick Film
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2
• RoHS compliance: ROHS3 Compliant
• MSL rating: 1 (Unlimited)

Two substitute parts meet these criteria: CSRN2512FKR150 from Stackpole Electronics Inc and RLP73K3AR15FTDF from TE Connectivity Passive Product. Both maintain identical electrical specifications and package compatibility with the primary part.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain identical core electrical specifications and package compatibility. Selection between CSR2512FKR150, CSRN2512FKR150, and RLP73K3AR15FTDF depends on application requirements and supply chain considerations.

CSRN2512FKR150 carries AEC-Q200 automotive qualification, making it suitable for automotive applications requiring enhanced reliability standards. This part is available in significantly higher inventory (243,517 pcs) compared to the primary part (1,003 pcs).

RLP73K3AR15FTDF from TE Connectivity provides an alternative from a different manufacturer with equivalent specifications and moderate inventory availability (30,903 pcs). Physical dimensions show minor variations in height (0.033" maximum vs. 0.026" for the primary part), which may require PCB layout verification in space-constrained applications.

All parts are ROHS3 compliant and carry unlimited moisture sensitivity rating, suitable for standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can CSRN2512FKR150 be used as a direct replacement for CSR2512FKR150?

A: Yes. Both parts share identical electrical specifications (150 mOhms ±1%, 2W, ±200ppm/°C) and package footprint (2512). CSRN2512FKR150 includes additional AEC-Q200 automotive qualification, which does not restrict its use in non-automotive applications.

Q: What are the physical dimension differences between substitute parts?

A: CSR2512FKR150 has a maximum seated height of 0.026" (0.65mm). CSRN2512FKR150 measures 0.028" (0.70mm) maximum height. RLP73K3AR15FTDF measures 0.033" (0.84mm) maximum height. Length and width dimensions are equivalent across all parts at approximately 0.250" x 0.124" (6.35mm x 3.15mm), with CSR2512FKR150 at 0.252" x 0.126" (6.40mm x 3.20mm). Height variations should be evaluated for PCB assembly clearance requirements.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Yes. CSR2512FKR150, CSRN2512FKR150, and RLP73K3AR15FTDF are all supplied in Tape & Reel (TR) packaging format.

Q: What is the difference between CSR and CSRN series from Stackpole?

A: CSRN2512FKR150 is the automotive-qualified variant of the CSR series, carrying AEC-Q200 certification. Electrical and mechanical specifications remain identical to the standard CSR2512FKR150.

Q: Can RLP73K3AR15FTDF be used in applications where CSR2512FKR150 is specified?

A: Yes, provided PCB layout accommodates the maximum height of 0.033" (0.84mm). All electrical parameters, tolerance, power rating, temperature coefficient, and operating range are equivalent. Verify mechanical clearance before design implementation.