CSRF2512FT12L0 Equivalent & Substitute Parts

Part Overview

The CSRF2512FT12L0 is a 12 mOhms ±1% 2W chip resistor manufactured by Stackpole Electronics Inc in the 2512 (6432 Metric) package. This metal foil current sense resistor is designed for automotive applications and meets AEC-Q200 qualification standards. The part is actively produced and maintained in inventory, serving applications requiring precision low-resistance measurements in power management and current sensing circuits.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter range, ensuring functional interchangeability in target applications.

Key Parameters

Parameter	Value	Specification
Resistance	12 mOhms	Core functional specification
Tolerance	±1%	Precision requirement
Power Rating	2W	Thermal dissipation capacity
Package	2512 (6432 Metric)	Physical form factor
Composition	Metal Foil / Metal Film	Construction technology
Temperature Coefficient	±50ppm/°C	Thermal stability
Operating Temperature Range	-55°C to 170°C	Environmental limits
Automotive Rating	AEC-Q200	Qualification standard
RoHS Status	ROHS3 Compliant	Environmental compliance
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling requirement

Substitute Part Grouping Explanation

Substitution eligibility for the CSRF2512FT12L0 is determined by strict equivalence across the following parameters:

Resistance value: 12 mOhms (exact match required)
Tolerance: ±1% (precision class match)
Power rating: 2W (thermal capacity match)
Package form factor: 2512 (6432 Metric) (mechanical compatibility)
Temperature coefficient: ±50ppm/°C (thermal stability match)
Operating temperature range: -55°C to 170°C (environmental envelope match)
Automotive qualification: AEC-Q200 (application suitability)
RoHS compliance: ROHS3 (regulatory alignment)

The PE2512FKE7W0R012L from YAGEO meets all substitution criteria. While the main part uses metal foil construction and the substitute uses metal film construction, both technologies deliver equivalent electrical performance within the specified tolerance and temperature coefficient parameters for this resistance and power class.

Parameter Comparison

Parameter	CSRF2512FT12L0 (Stackpole)	PE2512FKE7W0R012L (YAGEO)	Match Status
Resistance	12 mOhms	12 mOhms	Equivalent
Tolerance	±1%	±1%	Equivalent
Power Rating	2W	2W	Equivalent
Package	2512 (6432 Metric)	2512 (6432 Metric)	Equivalent
Temperature Coefficient	±50ppm/°C	±50ppm/°C	Equivalent
Operating Temperature	-55°C to 170°C	-55°C to 170°C	Equivalent
Automotive Rating	AEC-Q200	AEC-Q200	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Moisture Sensitivity	MSL 1 (Unlimited)	MSL 1 (Unlimited)	Equivalent
Composition	Metal Foil	Metal Film	Different technology, equivalent performance
Physical Dimensions	0.254" L x 0.128" W (6.45mm x 3.25mm)	0.250" L x 0.125" W (6.35mm x 3.18mm)	Within package tolerance
Height - Seated (Max)	0.037" (0.95mm)	0.035" (0.89mm)	Within package tolerance

Engineering Selection Recommendations

Both the CSRF2512FT12L0 and PE2512FKE7W0R012L are active production parts with full AEC-Q200 automotive qualification and ROHS3 compliance. Selection between these parts should be based on:

Availability and lead time requirements
Supplier inventory status and supply chain considerations
Established qualification history within your specific application circuit
PCB layout constraints, as minor dimensional variations exist within the 2512 package tolerance envelope

The electrical performance characteristics are equivalent across all specified parameters. Both parts satisfy current sensing and power management applications within the -55°C to 170°C operating range.

Frequently Asked Questions (FAQ)

Q: Can PE2512FKE7W0R012L replace CSRF2512FT12L0 in automotive applications?

A: Yes. Both parts carry AEC-Q200 qualification, identical resistance and tolerance specifications, matching power ratings, and equivalent temperature coefficients. The metal film construction of the YAGEO part delivers equivalent performance to the metal foil construction of the Stackpole part within the specified electrical parameters.

Q: Are there physical compatibility concerns between these parts?

A: Both parts use the 2512 (6432 Metric) package form factor. Minor dimensional variations exist within standard package tolerances. The YAGEO part is slightly smaller in length (0.250" vs 0.254") and height (0.035" vs 0.037"), but these differences remain within the 2512 package specification envelope and do not affect PCB footprint compatibility.

Q: What is the significance of the different composition technologies?

A: The CSRF2512FT12L0 uses metal foil construction while the PE2512FKE7W0R012L uses metal film construction. Both technologies achieve the specified ±1% tolerance and ±50ppm/°C temperature coefficient for this resistance value and power class. Selection between them depends on application-specific requirements and established qualification history rather than fundamental performance differences.

Q: Are both parts compliant with current environmental regulations?

A: Yes. Both parts are ROHS3 compliant and REACH unaffected. Both carry MSL 1 (Unlimited) moisture sensitivity rating, requiring no special handling precautions during storage or assembly.

Q: What inventory considerations apply to these substitutes?

A: The CSRF2512FT12L0 has 841 pieces in stock. The PE2512FKE7W0R012L has 13,613 pieces in stock, providing significantly higher availability for high-volume production requirements.

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