NCP15WF104F0SRC Equivalent & Substitute Parts

Part Overview

The NCP15WF104F0SRC is an NTC thermistor manufactured by Murata Electronics, designed for temperature sensing applications. This component is classified as "Not For New Designs," indicating it has been superseded in Murata's product portfolio. Organizations currently using this part number in active applications require equivalent alternatives that maintain functional compatibility while meeting current design standards and compliance requirements.

Substiute Parts

NCP15WF104F0SRC

Murata ElectronicsIn Stock: 7083NCP15WF104F0SRC Datasheet

Current PartRFQ

NCU15WF104F6SRC

Murata ElectronicsIn Stock: 28985NCU15WF104F6SRC Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the NCP15WF104F0SRC is determined by the following critical parameters:

Electrical Characteristics:

• Resistance value at 25°C: 100kΩ nominal
• Resistance tolerance: ±1%
• B-value (thermal sensitivity coefficient): 4250K nominal
• B-value tolerance: ±1%
• Operating temperature range: -40°C to 150°C

Physical & Packaging Requirements:

• Package type: 0402 (1005 Metric) surface mount
• Mounting type: Surface mount
• Tape & Reel packaging format

Compliance & Regulatory:

• RoHS3 compliance
• REACH unaffected status
• Moisture sensitivity level 1 (unlimited shelf life)
• ECCN classification: EAR99

The NCU15WF104F6SRC meets all substitution criteria through identical electrical specifications, compatible package dimensions, and equivalent regulatory compliance status. The transition from the NCP series to the NCU series represents a product line evolution while maintaining functional equivalence.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: NCU15WF104F6SRC

The NCU15WF104F6SRC is the direct functional equivalent for the NCP15WF104F0SRC. Selection of this substitute is based on the following engineering factors:

Compliance & Regulatory Alignment: Both components maintain identical RoHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, ensuring regulatory continuity in supply chain applications.

Electrical & Thermal Equivalence: The NCU15WF104F6SRC provides identical resistance specifications (100kΩ ±1% at 25°C) and operating temperature range (-40°C to 150°C), ensuring direct functional replacement in temperature sensing circuits.

Product Status Transition: The NCU15WF104F6SRC carries Active product status, whereas the NCP15WF104F0SRC is designated Not For New Designs. This transition reflects Murata's current product portfolio strategy and ensures long-term supply availability.

Enhanced Qualification: The NCU15WF104F6SRC includes AEC-Q200 automotive qualification and automotive-grade designation, providing additional reliability assurance beyond the baseline specifications.

Packaging & Handling Consistency: Both components utilize identical 0402 (1005 Metric) surface mount packaging in Tape & Reel format with MSL 1 (unlimited) moisture sensitivity level, eliminating assembly process modifications.

Frequently Asked Questions (FAQ)

Q: Can the NCU15WF104F6SRC be used as a direct replacement for the NCP15WF104F0SRC in existing designs?

A: Yes. The NCU15WF104F6SRC provides direct functional equivalence. Both components share identical electrical specifications (100kΩ ±1% at 25°C), operating temperature range (-40°C to 150°C), package type (0402 surface mount), and regulatory compliance status (RoHS3, REACH unaffected). No circuit modifications are required.

Q: What is the significance of the "Not For New Designs" status on the NCP15WF104F0SRC?

A: This designation indicates that Murata has superseded this part number in its active product portfolio. While existing inventory remains available, new design projects should utilize the NCU15WF104F6SRC to ensure long-term supply continuity and access to current manufacturing processes.

Q: Are there differences in the B-value specifications between these components?

A: The NCP15WF104F0SRC does not specify B-value parameters in the provided documentation. The NCU15WF104F6SRC specifies B25/50 = 4250K, B25/85 = 4311K, and B25/100 = 4334K. These values are consistent with standard 100kΩ NTC thermistor thermal characteristics and do not affect substitution compatibility.

Q: Does the automotive qualification of the NCU15WF104F6SRC affect its use in non-automotive applications?

A: No. Automotive qualification (AEC-Q200) and automotive-grade designation represent enhanced reliability standards. Components meeting automotive specifications are fully compatible with general industrial and consumer applications. The automotive qualification does not restrict use in other application categories.

Q: Are the Tape & Reel packaging specifications identical between both components?

A: Yes. Both the NCP15WF104F0SRC and NCU15WF104F6SRC utilize identical Tape & Reel (TR) packaging format with 0402 (1005 Metric) case dimensions. Assembly equipment, tape specifications, and reel handling procedures remain unchanged during substitution.

Q: What is the inventory status for the NCU15WF104F6SRC?

A: The NCU15WF104F6SRC maintains substantial inventory availability (28,972 pieces in stock as new original components), ensuring reliable supply for both replacement and new production requirements.

Q: Are there any moisture sensitivity or shelf-life differences between these components?

A: No. Both components carry identical Moisture Sensitivity Level (MSL) 1 classification, indicating unlimited shelf life under standard storage conditions. No special moisture control measures or bake-out procedures are required for either component.