CSR2512FT25L0 Equivalent & Substitute Parts

Part Overview

The CSR2512FT25L0 is a 25 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 Active status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility.

Substiute Parts

CSR2512FT25L0

Stackpole Electronics IncIn Stock: 1051CSR2512FT25L0 Datasheet

Current PartRFQ

CSRN2512FK25L0

Stackpole Electronics IncIn Stock: 29017CSRN2512FK25L0 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CSR2512FT25L0 are qualified based on the following electrical and mechanical parameters:

Electrical compatibility requires matching resistance value (25 mOhms), tolerance (±1%), power rating (2W), composition (Thick Film), and temperature coefficient (±200ppm/°C). Operating temperature range must be equivalent or superior (-55°C ~ 155°C minimum).

Mechanical compatibility requires identical package designation (2512 / 6432 Metric) and compatible physical dimensions. Termination count must be 2 for direct substitution.

Compliance requirements include RoHS3 status and MSL rating of 1 or better. The substitute part CSRN2512FK25L0 meets all electrical and mechanical criteria while adding automotive AEC-Q200 qualification, making it suitable for applications requiring enhanced reliability standards.

Parameter Comparison

Engineering Selection Recommendations

Both CSR2512FT25L0 and CSRN2512FK25L0 are Active status parts from Stackpole Electronics Inc with identical electrical specifications and RoHS3 compliance. Selection between these parts depends on application requirements:

The CSR2512FT25L0 is suitable for general industrial and commercial current sensing applications where standard reliability is acceptable.

The CSRN2512FK25L0 includes AEC-Q200 automotive qualification and is specified for automotive and high-reliability applications requiring enhanced qualification standards. This part carries higher inventory availability (28,958 pcs vs 959 pcs).

Both parts are mechanically and electrically interchangeable within the specified parameter ranges. Physical dimensions show minor variations within tolerance (CSR2512FT25L0: 6.40mm x 3.20mm; CSRN2512FK25L0: 6.35mm x 3.15mm), which do not affect PCB layout compatibility for 2512 package footprints.

Frequently Asked Questions (FAQ)

Q: Can CSRN2512FK25L0 replace CSR2512FT25L0 in existing designs?

A: Yes. Both parts share identical electrical parameters (25 mOhms ±1%, 2W, ±200ppm/°C) and operate across the same temperature range (-55°C ~ 155°C). The CSRN variant adds AEC-Q200 automotive qualification without changing core electrical or mechanical specifications. PCB footprints for 2512 package accommodate both parts.

Q: What is the significance of AEC-Q200 qualification on the CSRN2512FK25L0?

A: AEC-Q200 is an automotive industry standard qualification demonstrating enhanced reliability testing and quality assurance. This certification is required for automotive applications but does not alter the component's electrical performance in non-automotive use.

Q: Are there dimensional differences between these parts?

A: Minor dimensional variations exist within manufacturing tolerance. CSR2512FT25L0 measures 6.40mm x 3.20mm; CSRN2512FK25L0 measures 6.35mm x 3.15mm. Both conform to 2512 (6432 Metric) package specification and are compatible with standard 2512 PCB footprints.

Q: Do both parts have the same moisture sensitivity rating?

A: Yes. Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage or handling.

Q: Which part should be selected for new designs?

A: Selection depends on application class. For automotive or high-reliability applications, specify CSRN2512FK25L0. For general industrial applications, either part is acceptable. CSRN2512FK25L0 offers higher inventory availability.